= = = = = = = = = = =

   LM / CD 741000 - 7440000 series TTL IC's:  74LS1000 up to 748003

 . . . . . . . .  . . . . . . . .
 
   These are basically as low power drain CMOS version of the TTL range.


      Email us :sales@unitechelectronics.com

The TTL building blocks 74LS1000, 74HCT1000 and the 7440000 series of TTL / LS / HCT logic IC's.

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741000
Quad 2-input NAND gates with buffered output. 
    +---+--+---+             +---+---*---+           __
 1A |1  +--+ 14| VCC         | A | B |/Y |      /Y = AB
 1B |2       13| 4B          +===+===*===+
/1Y |3  7410 12| 4A          | 0 | 0 | 1 |
 2A |4   00  11| /4Y         | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
/2Y |6        9| 3A          | 1 | 1 | 0 |
GND |7        8| /3Y         +---+---*---+
    +----------+


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741004
Hex inverters with buffered output. 
    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3  7410 12| /6Y         | 0 | Z |
/2Y |4   04  11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+


741005
Hex open-collector inverters with buffered output. 
    +---+--+---+             +---*---+               _
 1A |1  +--+ 14| VCC         | A |/Y |          /Y = A
/1Y |2       13| 6A          +===*===+
 2A |3  7410 12| /6Y         | 0 | Z |
/2Y |4   05  11| 5A          | 1 | 0 |
 3A |5       10| /5Y         +---*---+
/3Y |6        9| 4A
GND |7        8| /4Y
    +----------+


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741032
Quad 2-input OR gates with buffered output. 
    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = A+B
 1B |2       13| 4B          +===+===*===+
 1Y |3  7410 12| 4A          | 0 | 0 | 0 |
 2A |4   32  11| 4Y          | 0 | 1 | 1 |
 2B |5       10| 3B          | 1 | 0 | 1 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+


741804
   Hex 2-input NAND gates/line drivers. 
    +---+--+---+             +---+---*---+           ___
 5B |1  +--+ 20| 5A          | A | B |/Y |      /Y = A+B
/6Y |2       19| /5Y         +===+===*===+
 6A |3       18| 4B          | 0 | 0 | 1 |
 6B |4       17| 4A          | 0 | 1 | 1 |
VCC |5  741  16| /4Y         | 1 | 0 | 1 |
 1A |6  804  15| GND         | 1 | 1 | 0 |
 1B |7       14| /3Y         +---+---*---+
/1Y |8       13| 3B
 2A |9       12| 3A
 2B |10      11| /2Y
    +----------+


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741805
   Hex 2-input NOR gates/line drivers. 
    +---+--+---+             +---+---*---+           ___
 5B |1  +--+ 20| 5A          | A | B |/Y |      /Y = A+B
/6Y |2       19| /5Y         +===+===*===+
 6A |3       18| 4B          | 0 | 0 | 1 |
 6B |4       17| 4A          | 0 | 1 | 0 |
VCC |5  741  16| /4Y         | 1 | 0 | 0 |
 1A |6  805  15| GND         | 1 | 1 | 0 |
 1B |7       14| /3Y         +---+---*---+
/1Y |8       13| 3B
 2A |9       12| 3A
 2B |10      11| /2Y
    +----------+


741808
   Hex 2-input AND gates / line drivers. 
    +---+--+---+             +---+---*---+
 5B |1  +--+ 20| 5A          | A | B | Y |       Y = AB
 6Y |2       19| 5Y          +===+===*===+
 6A |3       18| 4B          | 0 | 0 | 0 |
 6B |4       17| 4A          | 0 | 1 | 0 |
VCC |5  741  16| 4Y          | 1 | 0 | 0 |
 1A |6  808  15| GND         | 1 | 1 | 1 |
 1B |7       14| 3Y          +---+---*---+
 1Y |8       13| 3B
 2A |9       12| 3A
 2B |10      11| 2Y
    +----------+


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741821
   10-bit 3-state D flip-flop / bus driver. 
    +---+--+---+             +---+---+---*---+
 Q5 |1  +--+ 24| Q6          |/OE|CLK| D | Q |
 Q4 |2       23| Q7          +===+===+===*===+
 Q3 |3       22| Q8          | 1 | X | X | Z |
 Q2 |4       21| Q9          | 0 | / | 0 | 0 |
 Q1 |5       20| Q10         | 0 | / | 1 | 1 |
VCC |6  741  19| CLK         | 0 |!/ | X | - |
/OE |7  821  18| GND         +---+---+---*---+
 D1 |8       17| D10
 D2 |9       16| D9
 D3 |10      15| D8
 D4 |11      14| D7
 D5 |12      13| D6
    +----------+


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741832
   Hex 2-input OR gates / line drivers. 
    +---+--+---+             +---+---*---+
 5B |1  +--+ 20| 5A          | A | B | Y |       Y = A+B
 6Y |2       19| 5Y          +===+===*===+
 6A |3       18| 4B          | 0 | 0 | 0 |
 6B |4       17| 4A          | 0 | 1 | 1 |
VCC |5  741  16| 4Y          | 1 | 0 | 1 |
 1A |6  832  15| GND         | 1 | 1 | 1 |
 1B |7       14| 3Y          +---+---*---+
 1Y |8       13| 3B
 2A |9       12| 3A
 2B |10      11| 2Y
    +----------+


742240
   Dual 4-bit  3-state inverting buffer / MOS driver with 
   integrated 25 ohm series output resistors. 
     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
/2Y4 |3       18| /1Y1
 1A2 |4       17| 2A4
/2Y3 |5  742  16| /1Y2
 1A3 |6  240  15| 2A3
/2Y2 |7       14| /1Y3
 1A4 |8       13| 2A2
/2Y1 |9       12| /1Y4
 GND |10      11| 2A1
     +----------+


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742241
   Dual 4-bit 3-state non-inverting buffer / MOS driver with integrated 25 ohm
   series output resistors. One active low, one active high output enable. 
     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A4 |2       19| 2OE
 2Y1 |3       18| 1Y1
 1A3 |4       17| 2A4
 2Y2 |5  742  16| 1Y2
 1A2 |6  241  15| 2A3
 2Y3 |7       14| 1Y3
 1A1 |8       13| 2A2
 2Y4 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+


742244
   Dual 4-bit 3-state non-inverting buffer / MOS driver with 
    integrated 25 ohm series output resistors. 
     +---+--+---+
/1OE |1  +--+ 20| VCC
 1A1 |2       19| /2OE
 2Y4 |3       18| 1Y1
 1A2 |4       17| 2A4
 2Y3 |5  742  16| 1Y2
 1A3 |6  244  15| 2A3
 2Y2 |7       14| 1Y3
 1A4 |8       13| 2A2
 2Y1 |9       12| 1Y4
 GND |10      11| 2A1
     +----------+


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742245
   8-bit 3-state non-inverting bus transceiver with integrated 25 ohm series 
  output resistors. Enable and direction pins control the output enables. 
    +---+--+---+             +---+---*---+---+
DIR |1  +--+ 20| VCC         |/EN|DIR| A | B |
 A0 |2       19| /EN         +===+===*===+===+
 A1 |3       18| B0          | 1 | X | Z | Z |
 A2 |4       17| B1          | 0 | 0 | B | Z |
 A3 |5  742  16| B2          | 0 | 1 | Z | A |
 A4 |6  245  15| B3          +---+---*---+---+
 A5 |7       14| B4
 A6 |8       13| B5
 A7 |9       12| B6
GND |10      11| B7
    +----------+


742410
   11-bit  3-state noninverting buffer/MOS driver with 
    integrated 25 ohm series output resistors. 
     +---+--+---+
  A1 |1  +--+ 28| A6
  A2 |2       27| A7
  A3 |3       26| A8
  A4 |4       25| A9
  A5 |5       24| A10
/OE1 |6       23| A11
 VCC |7  742  22| GND
 GND |8  410  21| GND
/OE2 |9       20| Y11
  Y5 |10      19| Y10
  Y4 |11      18| Y9
  Y3 |12      17| Y8
  Y2 |13      16| Y7
  Y1 |14      15| Y6
     +----------+


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742411
   11-bit  3-state inverting buffer / MOS driver with 
    integrated 25 ohm series output resistors. 
     +---+--+---+
  A1 |1  +--+ 28| A6
  A2 |2       27| A7
  A3 |3       26| A8
  A4 |4       25| A9
  A5 |5       24| A10
/OE1 |6       23| A11
 VCC |7  742  22| GND
 GND |8  411  21| GND
/OE2 |9       20|/Y11
 /Y5 |10      19|/Y10
 /Y4 |11      18|/Y9
 /Y3 |12      17|/Y8
 /Y2 |13      16|/Y7
 /Y1 |14      15|/Y6
     +----------+


742574
   8-bit  3-state D flip-flop with integrated 25 ohm series output resistors. 
    +---+--+---+             +---+---+---*---+
/OE |1  +--+ 20| VCC         |/OE|CLK| D | Q |
 D1 |2       19| Q1          +===+===+===*===+
 D2 |3       18| Q2          | 1 | X | X | Z |
 D3 |4       17| Q3          | 0 | / | 0 | 0 |
 D4 |5  742  16| Q4          | 0 | / | 1 | 1 |
 D5 |6  574  15| Q5          | 0 |!/ | X | - |
 D6 |7       14| Q6          +---+---+---*---+
 D7 |8       13| Q7
 D8 |9       12| Q8
GND |10      11| CLK
    +----------+


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742827
   10-bit 3-state non-inverting buffer / MOS driver with 
   integrated 25 ohm series output resistors. 
     +---+--+---+
/OE1 |1  +--+ 24| VCC
  A1 |2       23| Y1
  A2 |3       22| Y2
  A3 |4       21| Y3
  A4 |5       20| Y4
  A5 |6  742  19| Y5
  A6 |7  827  18| Y6
  A7 |8       17| Y7
  A8 |9       16| Y8
  A9 |10      15| Y9
 A10 |11      14| Y10
 GND |12      13| /OE2
     +----------+


742828
   10-bit 3-state inverting buffer / MOS driver with
    integrated 25 ohm series output resistors. 
     +---+--+---+
/OE1 |1  +--+ 24| VCC
  A1 |2       23| /Y1
  A2 |3       22| /Y2
  A3 |4       21| /Y3
  A4 |5       20| /Y4
  A5 |6  742  19| /Y5
  A6 |7  828  18| /Y6
  A7 |8       17| /Y7
  A8 |9       16| /Y8
  A9 |10      15| /Y9
 A10 |11      14| /Y10
 GND |12      13| /OE2
     +----------+


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742952
   8-bit 3-state noninverting latched transceiver. 
      +---+--+---+
   B8 |1  +--+ 24| VCC
   B7 |2       23| A8
   B6 |3       22| A7
   B5 |4       21| A6
   B4 |5       20| A5
   B3 |6  742  19| A4
   B2 |7  952  18| A3
   B1 |8       17| A2
/OEAB |9       16| A1
CLKAB |10      15| /OEBA
/CEAB |11      14| CLKBA
  GND |12      13| /CEBA
      +----------+


742953
8-bit 3-state inverting latched transceiver. 
      +---+--+---+
   B8 |1  +--+ 24| VCC
   B7 |2       23| A8
   B6 |3       22| A7
   B5 |4       21| A6
   B4 |5       20| A5
   B3 |6  742  19| A4
   B2 |7  953  18| A3
   B1 |8       17| A2
/OEAB |9       16| A1
CLKAB |10      15| /OEBA
/CEAB |11      14| CLKBA
  GND |12      13| /CEBA
      +----------+


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745400
   11-bit 3-state noninverting buffer / MOS driver with integrated 25R series output resistors. 
     +---+--+---+
  Y1 |1  +--+ 28| A1
  Y2 |2       27| A2
  Y3 |3       26| A3
  Y4 |4       25| A4
  Y5 |5       24| A5
  Y6 |6       23| A6
 GND |7   74  22| VCC
 GND |8  5400 21| VCC
  Y7 |9       20| A7
  Y8 |10      19| A8
  Y9 |11      18| A9
 Y10 |12      17| A10
 Y11 |13      16| A11
/OE1 |14      15| /OE2
     +----------+


745401
   11-bit 3-state inverting buffer / MOS driver with integrated 25R series output resistors. 
     +---+--+---+
 /Y1 |1  +--+ 28| A1
 /Y2 |2       27| A2
 /Y3 |3       26| A3
 /Y4 |4       25| A4
 /Y5 |5       24| A5
 /Y6 |6       23| A6
 GND |7   74  22| VCC
 GND |8  5401 21| VCC
 /Y7 |9       20| A7
 /Y8 |10      19| A8
 /Y9 |11      18| A9
/Y10 |12      17| A10
/Y11 |13      16| A11
/OE1 |14      15| /OE2
     +----------+


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745402
   12-bit 3-state noninverting buffer/MOS driver with integrated 25R series output resistors. 
     +---+--+---+
  Y1 |1  +--+ 28| A1
  Y2 |2       27| A2
  Y3 |3       26| A3
  Y4 |4       25| A4
  Y5 |5       24| A5
  Y6 |6       23| A6
 GND |7   74  22| A7
  Y7 |8  5402 21| VCC
  Y8 |9       20| A8
  Y9 |10      19| A9
 Y10 |11      18| A10
 Y11 |12      17| A11
 Y12 |13      16| A12
/OE1 |14      15| /OE2
     +----------+


745403
   12-bit 3-state inverting buffer/MOS driver with integrated 25R series output resistors. 
     +---+--+---+
 /Y1 |1  +--+ 28| A1
 /Y2 |2       27| A2
 /Y3 |3       26| A3
 /Y4 |4       25| A4
 /Y5 |5       24| A5
 /Y6 |6       23| A6
 GND |7   74  22| A7
 /Y7 |8  5402 21| VCC
 /Y8 |9       20| A8
 /Y9 |10      19| A9
/Y10 |11      18| A10
/Y11 |12      17| A11
/Y12 |13      16| A12
/OE1 |14      15| /OE2
     +----------+


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743351
   10-tap noninverting delay lines (20, 50 or 100ns total delay). 
    +---+--+---+
  A |1  +--+ 16| VCC
    |2       15|
    |3       14| Y1
 Y2 |4  743  13| Y3
 Y4 |5  351  12| Y5
 Y6 |6       11| Y7
 Y8 |7       10| Y9
GND |8        9| Y10
    +----------+




744002
Dual 4-input NOR gates. 
    +---+--+---+             +---+---+---+---*---+       _________
/1Y |1  +--+ 14| VCC         | A | B | C | D |/Y |  /Y = (A+B+C+D)
 1A |2       13| /2Y         +===+===+===+===*===+
 1B |3       12| 2D          | 0 | 0 | 0 | 0 | 1 |
 1C |4  4002 11| 2C          | 0 | 0 | 0 | 1 | 0 |
 1D |5       10| 2B          | 0 | 0 | 1 | X | 0 |
    |6        9| 2A          | 0 | 1 | X | X | 0 |
GND |7        8|             | 1 | X | X | X | 0 |
    +----------+             +---+---+---+---*---+


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744015
   Dual 4-bit serial-in parallel-out shift register with asynchronous reset. 
     +---+--+---+
2CLK |1  +--+ 16| VCC
 2Q3 |2       15| 2D
 1Q2 |3       14| 2RST
 1Q1 |4       13| 2Q0
 1Q0 |5  4015 12| 2Q1
1RST |6       11| 2Q2
  1D |7       10| 1Q3
 GND |8        9| 1CLK
     +----------+


744016
   Quad analog switches. 
     +---+--+---+
  1X |1  +--+ 14| VCC
  1Y |2       13| 1EN
  2Y |3       12| 4EN
  2X |4  4016 11| 4X
 2EN |5  4066 10| 4Y
 3EN |6        9| 3Y
 GND |7        8| 3X
     +----------+


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744017
   4-bit asynchronous decade counter with fully decoded outputs, 
   reset and both active high and active low clocks. 
    +---+--+---+
 Q5 |1  +--+ 16| VCC
 Q1 |2       15| RST
 Q0 |3       14| CLK1
 Q2 |4       13| /CLK2
 Q6 |5  4017 12| RCO
 Q7 |6       11| Q9
 Q3 |7       10| Q4
GND |8        9| Q8
    +----------+


744020
   14-bit asynchronous binary counter with Reset. 
Q1 and Q2 outputs are missing. 
    +---+--+---+
Q11 |1  +--+ 16| VCC
Q12 |2       15| Q10
Q13 |3       14| Q9
 Q5 |4       13| Q7
 Q4 |5  4020 12| Q8
 Q6 |6       11| RST
 Q3 |7       10| /CLK
GND |8        9| Q0
    +----------+


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744024
   7-bit asynchronous binary counter with Reset. 
     +---+--+---+
/CLK |1  +--+ 14| VCC
 RST |2       13|
  Q6 |3       12| Q0
  Q5 |4  4024 11| Q1
  Q4 |5       10|
  Q3 |6        9| Q2
 GND |7        8|
     +----------+


744040
   12-bit asynchronous binary counter with Reset. 
    +---+--+---+
Q11 |1  +--+ 16| VCC
 Q5 |2       15| Q10
 Q4 |3       14| Q9
 Q6 |4       13| Q7
 Q3 |5  4040 12| Q8
 Q2 |6       11| RST
 Q1 |7       10| /CLK
GND |8        9| Q0
    +----------+


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744046
   Phase Locked Loop. 
       +---+--+---+
PCPout |1  +--+ 16| VCC
PC1out |2       15| Zener
 PCinB |3       14| PCinA
VCOout |4       13| PC2out
   /EN |5  4046 12| R2
   C1A |6       11| R1
   C1B |7       10| SFout
   GND |8        9| VCOin
       +----------+


744049
   Hex inverters with high-to-low level shifter inputs. 
    +---+--+---+             +---*---+               _
VCC |1  +--+ 16|             | A |/Y |          /Y = A
/Y1 |2       15| /Y6         +===*===+
 A1 |3       14| A6          | 0 | 1 |
/Y2 |4       13|             | 1 | 0 |
 A2 |5  4049 12| /Y5         +---*---+
/Y3 |6       11| A5
 A3 |7       10| /Y4
GND |8        9| A4
    +----------+


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744050
   Hex buffers with high-to-low level shifter inputs. 
    +---+--+---+             +---*---+
VCC |1  +--+ 16|             | A | Y |           Y = A
 Y1 |2       15| Y6          +===*===+
 A1 |3       14| A6          | 0 | 0 |
 Y2 |4       13|             | 1 | 1 |
 A2 |5  4050 12| Y5          +---*---+
 Y3 |6       11| A5
 A3 |7       10| Y4
GND |8        9| A4
    +----------+


744051
   8-to-1 line analog multiplexer/demultiplexer with dual power supply.
   VEE supply may not be more positive than GND. 
    +---+--+---+
 X4 |1  +--+ 16| VCC
 X6 |2       15| X2
  Y |3       14| X1
 X7 |4    74 13| X0
 X5 |5  4051 12| X3
/EN |6       11| S0
VEE |7       10| S1
GND |8        9| S2
    +----------+


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744052
   8-to-2 line analog multiplexer / demultiplexer with dual power supply. 
   VEE supply may not be more positive than GND. 
    +---+--+---+
1X0 |1  +--+ 16| VCC
1X2 |2       15| 2X2
 1Y |3       14| 2X1
1X3 |4   74  13| 2Y
1X1 |5  4052 12| 2X0
/EN |6       11| 2X3
VEE |7       10| S0
GND |8        9| S1
    +----------+


744053
   Triple 2-to-1 line analog multiplexer / demultiplexer with dual power supply.
   VEE supply may not be more positive than GND. 
    +---+--+---+
1X0 |1  +--+ 16| VCC
1X1 |2       15| 1Y
2X1 |3       14| 3Y
 2Y |4   74  13| 3X1
2X0 |5  4053 12| 3X0
/EN |6       11| 3S
VEE |7       10| 1S
GND |8        9| 2S
    +----------+


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744060
   14-bit asynchronous binary counter with oscillator and reset input. 
   Q0, Q1, Q2  and  Q10 outputs are indeed missing. 
    +---+--+---+
Q11 |1  +--+ 16| VCC
Q12 |2       15| Q9
Q13 |3       14| Q7
 Q5 |4    74 13| Q8
 Q4 |5  4060 12| RST
 Q6 |6       11| X1
 Q3 |7       10| X0
GND |8        9| X2
    +----------+


744066
Quad analog switches. 
     +---+--+---+
  1X |1  +--+ 14| VCC
  1Y |2       13| 1EN
  2Y |3   74  12| 4EN
  2X |4  4016 11| 4X
 2EN |5  4066 10| 4Y
 3EN |6        9| 3Y
 GND |7        8| 3X
     +----------+


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744067
16-to-1 line analog multiplexer / demultiplexer. 
    +-----+--+-----+
  Y |1    +--+   24| VCC
 X7 |2           23| X8
 X6 |3           22| X9
 X5 |4           21| X10
 X4 |5           20| X11
 X3 |6      74   19| X12
 X2 |7    4067   18| X13
 X1 |8           17| X14
 X0 |9           16| X15
 S0 |10          15| /EN
 S1 |11          14| S2
GND |12          13| S3
    +--------------+


744075
Triple 3-input OR gates. 
    +---+--+---+             +---+---+---*---+
 1A |1  +--+ 14| VCC         | A | B | C | Y |   Y = A+B+C
 1B |2       13| 3A          +===+===+===*===+
 2A |3    74 12| 3B          | 0 | 0 | 0 | 0 |
 2B |4  4075 11| 3C          | 0 | 0 | 1 | 1 |
 2C |5       10| 3Y          | 0 | 1 | X | 1 |
 2Y |6        9| 1Y          | 1 | X | X | 1 |
GND |7        8| 1C          +---+---+---*---+
    +----------+


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744078
8-input OR/NOR gate with complementary outputs. 
    +---+--+---+
  Y |1  +--+ 14| VCC         Y=A+B+C+D+E+F+G+H
  A |2       13| /Y
  B |3    74 12| H
  C |4  4078 11| G
  D |5       10| F
    |6        9| E
GND |7        8|
    +----------+


744316
   Quad analog switches with enable input and dual power supply. 
   VEE supply may not be more positive than GND. 
    +---+--+---+
 1X |1  +--+ 16| VCC
 1Y |2       15| 1EN
 2Y |3       14| 4EN
 2X |4   74  13| 4X
2EN |5  4316 12| 4Y
3EN |6       11| 3Y
 EN |7       10| 3X
GND |8        9| VEE
    +----------+


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744351
   8-to-1 line analog multiplexer/demultiplexer with address latch and dual power supply.
   VEE supply may not be more positive than GND. 
    +---+--+---+
1X0 |1  +--+ 18| VCC
1X1 |2       17| X2
2X1 |3       16| X1
 2Y |4   74  15| X0
2X0 |5  4351 14| X3
/EN |6       13| S0
 EN |7       12| S1
VEE |8       11| S2
GND |9       10| LE
    +----------+


744352
   8-to-2 line analog multiplexer/demultiplexer with address latch and dual power supply. 
   VEE supply may not be more positive than GND. 
    +---+--+---+
1X0 |1  +--+ 18| VCC
1X2 |2       17| 2X2
 1Y |3       16| 2X1
1X3 |4   74  15| 2Y
1X1 |5  4352 14| 2X0
/EN |6       13| 2X3
 EN |7       12| S0
VEE |8       11| S1
GND |9       10| LE
    +----------+


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744353
   Triple 2-to-1 line analog multiplexer / demultiplexer with address latch and 
   dual power supply.VEE supply may not be more positive than GND. 
    +---+--+---+
1X0 |1  +--+ 18| VCC
1X1 |2       17| 1Y
2X1 |3       16| 3Y
 2Y |4   74  15| 3X1
2X0 |5  4353 14| 3X0
/EN |6       13| 3S
 EN |7       12| 1S
VEE |8       11| 2S
GND |9       10| LE
    +----------+


744511
   BCD to 7-segment decoder / common-cathode LED driver. 
    +---+--+---+
 A1 |1  +--+ 16| VCC
 A2 |2       15| YF
/LT |3       14| YG
/BI |4   74  13| YA
/LE |5  4511 12| YB
 A3 |6       11| YC
 A0 |7       10| YD
GND |8        9| YE
    +----------+


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744514
   1-of-16 noninverting decoder / demultiplexer with address latches. 
    +---+--+---+
 LE |1  +--+ 24| VCC
 S0 |2       23| /EN
 S1 |3       22| S3
 Y7 |4       21| S2
 Y6 |5       20| Y10
 Y5 |6   74  19| Y11
 Y4 |7  4514 18| Y8
 Y3 |8       17| Y9
 Y2 |9       16| Y15
 Y1 |10      15| Y14
 Y0 |11      14| Y13
GND |12      13| Y12
    +----------+


744515
   1-of-16 inverting decoder / demultiplexer with address latches. 
    +---+--+---+
 LE |1  +--+ 24| VCC
 S0 |2       23| /EN
 S1 |3       22| S3
/Y7 |4       21| S2
/Y6 |5       20| /Y10
/Y5 |6   74  19| /Y11
/Y4 |7  4515 18| /Y8
/Y3 |8       17| /Y9
/Y2 |9       16| /Y15
/Y1 |10      15| /Y14
/Y0 |11      14| /Y13
GND |12      13| /Y12
    +----------+


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744518
   Dual 4-bit asynchronous decade counters with reset and both 
   active high and active low clocks. 
      +---+--+---+
 1CLK |1  +--+ 16| VCC
/1CLK |2       15| 2RST
  1Q0 |3       14| 2Q3
  1Q1 |4   74  13| 2Q2
  1Q2 |5  4518 12| 2Q1
  1Q3 |6       11| 2Q0
 1RST |7       10| /2CLK
  GND |8        9| 2CLK
      +----------+


744520
   Dual 4-bit asynchronous binary counters with reset and both 
   active high and active low clocks. 
      +---+--+---+
 1CLK |1  +--+ 16| VCC
/1CLK |2       15| 2RST
  1Q0 |3       14| 2Q3
  1Q1 |4   74  13| 2Q2
  1Q2 |5  4520 12| 2Q1
  1Q3 |6       11| 2Q0
 1RST |7       10| /2CLK
  GND |8        9| 2CLK
      +----------+


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744538
   Dual precision monostable multivibrator with Schmitt-trigger inputs.
   Retriggerable, resettable. For 74HC4538 the "Cext" pins may be grounded. 
       +---+--+---+
 1Cext |1  +--+ 16| VCC
1RCext |2       15| 2Cext
  1RST |3       14| 2RCext
   1TR |4   74  13| 2RST
  /1TR |5  4538 12| 2TR
    1Q |6       11| /2TR
   /1Q |7       10| 2Q
   GND |8        9| /2Q
       +----------+


744543
   BCD to 7-segment decoder/LCD driver with input latch.
   The P ( PHASE ) input should be connected to the backplane of the LCD. 
    +---+--+---+
 LE |1  +--+ 16| VCC
 A2 |2       15| YF
 A1 |3       14| YG
 A3 |4   74  13| YE
 A0 |5  4543 12| YD
  P |6       11| YC
 BI |7       10| YB
GND |8        9| YA
    +----------+


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7440102
   8-bit (2-digit) synchronous decade down counter with synchronous 
   and asynchronous load and reset. Counter outputs only internally 
   connected but ripple carry and zero detect outputs available. 
       +---+--+---+
   CLK |1  +--+ 16| VCC
  /RST |2       15| /SLD
/CLKEN |3       14| /RCO
    P0 |4   74  13| P7
    P1 |5 40102 12| P6
    P2 |6       11| P5
    P3 |7       10| P4
   GND |8        9| /ALD
       +----------+


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7440103
   8-bit synchronous binary down counter with synchronous and 
   asynchronous load and reset. Counter outputs only internally 
   connected but ripple carry and zero detect outputs available. 
       +---+--+---+
   CLK |1  +--+ 16| VCC
  /RST |2       15| /SLD
/CLKEN |3       14| /RCO
    P0 |4   74  13| P7
    P1 |5 40103 12| P6
    P2 |6       11| P5
    P3 |7       10| P4
   GND |8        9| /ALD
       +----------+



744374
   8-bit 3-state dual-ranking D flip flop. Designed to prevent "metastable" conditions 
   in data synchronization applications in which setup and hold times may be violated. 
    +---+--+---+
 Q1 |1  +--+ 20| D1
 Q2 |2       19| D2
 Q3 |3       18| D3
 Q4 |4       17| D4
GND |5  744  16| VCC
 Q5 |6  374  15| D5
 Q6 |7       14| D6
 Q7 |8       13| D7
 Q8 |9       12| D8
/OE |10      11| CLK
    +----------+


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747001
  Quad 2-input AND gates with schmitt-trigger inputs.
  0.8V typical input hysteresis at VCC=+5V. 
    +---+--+---+             +---+---*---+
 1A |1  +--+ 14| VCC         | A | B | Y |       Y = AB
 1B |2       13| 4B          +===+===*===+
 1Y |3  747  12| 4A          | 0 | 0 | 0 |
 2A |4  001  11| 4Y          | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
 2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| 3Y          +---+---*---+
    +----------+


747266
  Quad 2-input XNOR gates. 
    +---+--+---+             +---+---*---+          _     _ _
 1A |1  +--+ 14| VCC         | A | B |/Y |     Y = A$B = (A.B)+(A.B)
 1B |2       13| 4B          +===+===*===+
/1Y |3  747  12| 4A          | 0 | 0 | 1 |
 2A |4  266  11| /4Y         | 0 | 1 | 0 |
 2B |5       10| 3B          | 1 | 0 | 0 |
/2Y |6        9| 3A          | 1 | 1 | 1 |
GND |7        8| /3Y         +---+---*---+
    +----------+


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748003
  Dual 2-input NAND gates. 
    +---+--+---+                 __
 1A |1  +--+  8| VCC        /Y = AB
 1B |2  748   7| 2B
/1Y |3  003   6| 2A
GND |4        5| /2Y
    +----------+


 . . . . . . . .  . . . . . . . .
 

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     check  with your "own data books"  or via a "Google" search on the net.
                                                   E. &. O. E.