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HEF4000 series LOCMOS IC's: HEF 4580 to HEF 40257
  
The very useful building blocks HEF / CD 4000 series of LOCMOS logic IC's.
Please note, we currently stock some of the listed chips on this page, however other
HEF 4000 or CD series we can order these in depending on availability and "lead" times.
Email us :sales@unitechelectronics.com
HEF-4580
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40108 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
HEF-40100
32-bit bidirectional serial-in serial-out shift register with
two "AND" gated clocks. With /LOOP input low, data is rotated
and serial data input ignored.
+---+--+---+
|1 +--+ 16| VCC
/CLK2 |2 15|
CLK1 |3 14|
Q0 |4 13| L//R
|5 40100 12| Q31
L |6 11| D
|7 10|
GND |8 9| /LOOP
+----------+
HEF-40101
9-bit odd / even parity generator / checker.
+---+--+---+
A0 |1 +--+ 14| VCC
A1 |2 13| A8
A2 |3 12| A7
A3 |4 40101 11| A6
A4 |5 10| A5
ODD |6 9| EVEN
GND |7 8| /EN
+----------+
HEF-40102
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 13| P7
P1 |5 40102 12| P6
P2 |6 11| P5
P3 |7 10| P4
GND |8 9| /ALD
+----------+
HEF-40103
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 13| P7
P1 |5 40103 12| P6
P2 |6 11| P5
P3 |7 10| P4
GND |8 9| /ALD
+----------+
HEF-40104
4-bit 3-state bidirectional universal shift register.
+---+--+---+ +---+---*---------------+
OE |1 +--+ 16| VCC | S1| S0| Function |
D |2 15| Y0 +===+===*===============+
P0 |3 14| Y1 | 0 | 0 | Reset |
P1 |4 13| Y2 | 0 | 1 | Shift right |
P2 |5 40104 12| Y3 | 1 | 0 | Shift left |
P3 |6 11| CLK | 1 | 1 | Parallel load |
L |7 10| S1 +---+---*---------------+
GND |8 9| S0
+----------+
HEF-40105
16 x 4 3-state asynchronous FIFO with reset.
+---+--+---+
OE |1 +--+ 16| VCC
/FULL |2 15| RD
WR |3 14| /EMPTY
D0 |4 13| Q0
D1 |5 40105 12| Q1
D2 |6 11| Q2
D3 |7 10| Q3
GND |8 9| RST
+----------+
HEF-40106
Hex inverters with schmitt-trigger inputs. 0.9V typical
input hysteresis at VCC=+5V and 2.3V at VCC=+10V.
+---+--+---+ +---*---+ _
1A |1 +--+ 14| VCC | A |/Y | /Y = A
/1Y |2 13| 6A +===*===+
2A |3 12| /6Y | 0 | 1 |
/2Y |4 40106 11| 5A | 1 | 0 |
3A |5 10| /5Y +---*---+
/3Y |6 9| 4A
GND |7 8| /4Y
+----------+
HEF-40107
Dual 2-input open-collector NAND gates with buffered output.
+---+--+---+ +---+---*---+ __
1A |1 +--+ 8| VCC | A | B |/Y | /Y = AB
1B |2 7| 2B +===+===*===+
/1Y |3 40107 6| 2A | 0 | 0 | Z |
GND |4 5| /2Y | 0 | 1 | Z |
+----------+ | 1 | 0 | Z |
| 1 | 1 | 0 |
+---+---*---+
HEF-40108
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40108 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
HEF-40109
Quad 3-state noninverting buffer/level shifter.
VDD supplies the output stage, VCC the input stage.
+---+--+---+ +---+---*-----+
VCC |1 +--+ 16| VDD | A | OE| Y |
1OE |2 15| 4OE +===+===*=====+
1A |3 14| 4A | X | 0 | Z |
1Y |4 13| 4Y | 0 | 1 | GND |
2Y |5 40109 12| | 1 | 1 | VDD |
2A |6 11| 3Y +---+---*-----+
2OE |7 10| 3A
GND |8 9| 3OE
+----------+
HEF-40110
4-bit asynchronous decade up/down counter with 7-segment
decoder / common - cathode LED driver, ripple carry and borrow,
separate up and down clocks, clock enable and output latch.
+---+--+---+
YA |1 +--+ 16| VCC
YG |2 15| YB
YF |3 14| YC
/CLKEN |4 13| YD
RST |5 40110 12| YE
LE |6 11| BORROW
CLKDN |7 10| CARRY
GND |8 9| CLKUP
+----------+
HEF-40147
10-to-4 line noninverting priority encoder.
+---+--+---+
A4 |1 +--+ 16| VCC
A5 |2 15| A0
A6 |3 14| Y3
A7 |4 13| A3
A8 |5 40147 12| A2
Y2 |6 11| A1
Y1 |7 10| A9
GND |8 9| Y0
+----------+
HEF-40160
4-bit synchronous decade counter with load,
asynchronous reset and ripple carry output.
+---+--+---+
/RST |1 +--+ 16| VCC
CLK |2 15| RCO
P0 |3 14| Q0
P1 |4 74 13| Q1
P2 |5 160 12| Q2
P3 |6 11| Q3
ENP |7 10| ENT
GND |8 9| /LOAD
+----------+
HEF-40161
4-bit synchronous binary counter with load,
asynchronous reset and ripple carry output.
+---+--+---+
/RST |1 +--+ 16| VCC
CLK |2 15| RCO
P0 |3 14| Q0
P1 |4 74 13| Q1
P2 |5 161 12| Q2
P3 |6 11| Q3
ENP |7 10| ENT
GND |8 9| /LOAD
+----------+
HEF-40162
4-bit synchronous decade counter with load,
reset and ripple carry output.
+---+--+---+
/RST |1 +--+ 16| VCC
CLK |2 15| RCO
P0 |3 14| Q0
P1 |4 74 13| Q1
P2 |5 162 12| Q2
P3 |6 11| Q3
ENP |7 10| ENT
GND |8 9| /LOAD
+----------+
HEF-40163
4-bit synchronous binary counter with load,
reset and ripple carry output.
+---+--+---+
/RST |1 +--+ 16| VCC
CLK |2 15| RCO
P0 |3 14| Q0
P1 |4 74 13| Q1
P2 |5 163 12| Q2
P3 |6 11| Q3
ENP |7 10| ENT
GND |8 9| /LOAD
+----------+
HEF-40174
6-bit D flip-flop with reset.
+---+--+---+ +----+---+---*---+
/RST |1 +--+ 16| VCC |/RST|CLK| D | Q |
Q0 |2 15| Q6 +====+===+===*===+
D0 |3 14| D5 | 0 | X | X | 0 |
D1 |4 74 13| D4 | 1 | / | 0 | 0 |
Q1 |5 174 12| Q4 | 1 | / | 1 | 1 |
D2 |6 11| D3 | 1 |!/ | X | - |
Q2 |7 10| Q3 +----+---+---*---+
GND |8 9| CLK
+----------+
HEF-40181
4-bit 16-function arithmetic logic unit ( A. L. U. )
+---+--+---+
/B0 |1 +--+ 24| VCC
/A0 |2 23| /A1
S3 |3 22| /B1
S2 |4 21| /A2
S1 |5 20| /B2
S0 |6 74 19| /A3
CIN |7 181 18| /B3
M |8 17| /G
/F0 |9 16| COUT
/F1 |10 15| /P
/F2 |11 14| A=B
GND |12 13| /F3
+----------+
HEF-40182
Look-ahead carry generator Capable of anticipating
a carry across four binary adders or group of adders.
Cascadable to perform full look-ahead across "n-bit" adders.
+---+--+---+
/G1 |1 +--+ 16| VCC
/P1 |2 15| /P2
/G0 |3 14| /G2
/P0 |4 74 13| Cn
/G3 |5 182 12| Cn+X
/P3 |6 11| Cn+Y
/P |7 10| /G
GND |8 9| Cn+Z
+----------+
HEF-40192
4-bit synchronous decade up/down counter with asynchronous
load and reset, and separate up and down clocks, carry and
borrow outputs.
+---+--+---+
P1 |1 +--+ 16| VCC
Q1 |2 15| P0
Q0 |3 14| RST
DOWN |4 74 13| /BORROW
UP |5 192 12| /CARRY
Q2 |6 11| /LOAD
Q3 |7 10| P2
GND |8 9| P3
+----------+
HEF-40193
4-bit synchronous binary up/down counter with asynchronous
load and reset, and separate up and down clocks. Carry and
borrow outputs.
+---+--+---+
P1 |1 +--+ 16| VCC
Q1 |2 15| P0
Q0 |3 14| RST
DOWN |4 74 13| /BORROW
UP |5 193 12| /CARRY
Q2 |6 11| /LOAD
Q3 |7 10| P2
GND |8 9| P3
+----------+
HEF-40194
4-bit bidirectional universal shift register with asynchronous reset.
+---+--+---+ +---+---*---------------+
/RST |1 +--+ 16| VCC | S1| S0| Function |
D |2 15| Q0 +===+===*===============+
P0 |3 14| Q1 | 0 | 0 | Hold |
P1 |4 40194 13| Q2 | 0 | 1 | Shift right |
P2 |5 74194 12| Q3 | 1 | 0 | Shift left |
P3 |6 11| CLK | 1 | 1 | Parallel load |
L |7 10| S1 +---+---*---------------+
GND |8 9| S0
+----------+
HEF-40208
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40108 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
HEF-40257
8-to-4 line 3-state noninverting data selector / multiplexer.
+---+--+---+
S |1 +--+ 16| VCC
1A0 |2 15| /EN
1A1 |3 14| 4A0
1Y |4 74 13| 4A1
2A0 |5 257 12| 4Y
2A1 |6 11| 3A0
2Y |7 10| 3A1
GND |8 9| 3Y
+----------+
" DISCLAIMER "
We believe the above information to be correct, however, typographical errors
can occur and it is for this very reason, we provide the above information "as is"
with "no Warranty" as to "correctness" nor to its "accuracy". Please, always
check with your " own data books " or via a "Google" search on the net.
Please notify us if you have discovered a typographical error and we will fix it.
E. &. O. E.
This page was upgraded December 31st 2013
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