TTL ICs: 74600...74699
74620
8-bit 3-state inverting bus transceiver.Two enable pins control output enables, one active high and one active low.
+---+--+---+
GAB |1 +--+ 20| VCC
A1 |2 19| /GBA
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 620 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74621
8-bit open-collector noninverting bus transceiver.Two enable pins control output enables, one active high and one active low.
+---+--+---+
GAB |1 +--+ 20| VCC
A1 |2 19| /GBA
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 621 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74623
8-bit 3-state noninverting bus transceiver.Two enable pins control output enables, one active high and one active low.
+---+--+---+
GAB |1 +--+ 20| VCC
A1 |2 19| /GBA
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 623 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74638
8-bit 3-state/open-collector inverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 20| VCC
A1 |2 19| /OE
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 638 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74639
8-bit 3-state/open-collector noninverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 20| VCC
A1 |2 19| /OE
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 639 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74640
8-bit 3-state inverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+ +---+---*---+---+
DIR |1 +--+ 20| VCC |/EN|DIR| A | B |
A1 |2 19| /EN +===+===*===+===+
A2 |3 18| B1 | 1 | X | Z | Z |
A3 |4 17| B2 | 0 | 0 |/B | Z |
A4 |5 74 16| B3 | 0 | 1 | Z |/A |
A5 |6 640 15| B4 +---+---*---+---+
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74641
8-bit 3-state noninverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 20| VCC
A1 |2 19| /OE
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 641 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74642
8-bit open-collector inverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 20| VCC
A1 |2 19| /OE
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 642 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74643
8-bit 3-state inverting/noninverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+ +---+---*---+---+
DIR |1 +--+ 20| VCC |/EN|DIR| A | B |
A1 |2 19| /EN +===+===*===+===+
A2 |3 18| B1 | 1 | X | Z | Z |
A3 |4 17| B2 | 0 | 0 | B | Z |
A4 |5 74 16| B3 | 0 | 1 | Z |/A |
A5 |6 643 15| B4 +---+---*---+---+
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74645
8-bit 3-state noninverting bus transceiver.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 20| VCC
A1 |2 19| /OE
A2 |3 18| B1
A3 |4 17| B2
A4 |5 74 16| B3
A5 |6 645 15| B4
A6 |7 14| B5
A7 |8 13| B6
A8 |9 12| B7
GND |10 11| B8
+----------+
74646
8-bit 3-state noninverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
DIR |3 22| SBA
A1 |4 21| /OE
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 646 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74648
8-bit 3-state inverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
DIR |3 22| SBA
A1 |4 21| /OE
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 648 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74651
8-bit 3-state inverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
GAB |3 22| SBA
A1 |4 21| /GBA
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 651 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74652
8-bit 3-state noninverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
GAB |3 22| SBA
A1 |4 21| /GBA
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 652 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74653
8-bit 3-state/open-collector inverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
GAB |3 22| SBA
A1 |4 21| /GBA
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 653 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74654
8-bit 3-state/open-collector noninverting registered transceiver.
+---+--+---+
CAB |1 +--+ 24| VCC
SAB |2 23| CBA
GAB |3 22| SBA
A1 |4 21| /GBA
A2 |5 20| B1
A3 |6 74 19| B2
A4 |7 654 18| B3
A5 |8 17| B4
A6 |9 16| B5
A7 |10 15| B6
A8 |11 14| B7
GND |12 13| B8
+----------+
74657
8-bit 3-state noninverting bus transceiver with parity generator/checker.Enable and direction pins control output enables.
+---+--+---+
DIR |1 +--+ 24| /OE
A1 |2 23| B1
A2 |3 22| B2
A3 |4 21| B3
A4 |5 20| B4
A5 |6 74 19| GND
VCC |7 657 18| GND
A6 |8 17| B5
A7 |9 16| B6
A8 |10 15| B7
O//E |11 14| B8
/ERROR |12 13| PAR
+----------+
74666
8-bit 3-state transparent latch with readback, set and reset.
+---+--+---+
/OERB |1 +--+ 24| VCC
/OE1 |2 23| /OE2
D1 |3 22| Q1
D2 |4 21| Q2
D3 |5 20| Q3
D4 |6 74 19| Q4
D5 |7 666 18| Q5
D6 |8 17| Q6
D7 |9 16| Q7
D8 |10 15| Q8
/RST |11 14| /SET
GND |12 13| LE
+----------+
74669
4-bit synchronous binary up/down counter with load and ripple carry output.
+---+--+---+
U//D |1 +--+ 16| VCC
CLK |2 15| /RCO
P0 |3 14| Q0
P1 |4 74 13| Q1
P2 |5 169 12| Q2
P3 |6 11| Q3
/ENP |7 10| /ENT
GND |8 9| /LOAD
+----------+
74670
4x4-bit 3-state dual-port register file.
+---+--+---+
D2 |1 +--+ 16| VCC
D3 |2 15| D1
D4 |3 14| WA0
RA1 |4 74 13| WA1
RA0 |5 670 12| /WR
Q4 |6 11| /RD
Q3 |7 10| Q1
GND |8 9| Q2
+----------+
74673
16-bit 3-state universal shift register with storage register, reset and 16-bit rotate function.
+---+--+---+
/CE |1 +--+ 24| VCC
/CLK |2 23| P15
R//W S0 |3 22| P14
/RRST S1 |4 21| P13
L//S S2 |5 20| P12
D0/Q15 |6 74 19| P11
P0 |7 673 18| P10
P1 |8 17| P9
P2 |9 16| P8
P3 |10 15| P7
P4 |11 14| P6
GND |12 13| P5
+----------+
74674
16-bit 3-state universal shift register with 16-bit rotate function.
+---+--+---+ +---+---+---*----------------------------+
/CE |1 +--+ 24| VCC |/CE| S1| S0| Function |
/CLK |2 23| P15 +===+===+===*============================+
R//W S0 |3 22| P14 | 1 | X | X | hold, P0..15=Z |
|4 21| P13 | 0 | X | 0 | serial-in parallel out |
L//S S1 |5 20| P12 | 0 | 0 | 1 | serial¶llel out rotate |
D0/Q15 |6 74 19| P11 | 0 | 1 | 1 | parallel load |
P0 |7 674 18| P10 +---+---+---*----------------------------+
P1 |8 17| P9
P2 |9 16| P8
P3 |10 15| P7
P4 |11 14| P6
GND |12 13| P5
+----------+
74677
16-bit inverting address comparator with enable.
+---+--+---+
A1 |1 +--+ 24| VCC
A2 |2 23| /EN
A3 |3 22| Y
A4 |4 21| P3
A5 |5 20| P2
A6 |6 74 19| P1
A7 |7 677 18| P0
A8 |8 17| A16
A9 |9 16| A15
A10 |10 15| A14
A11 |11 14| A13
GND |12 13| A12
+----------+
74682
8-bit inverting magnitude comparator with integrated 100k pull-up resistors.
+---+--+---+
/A>B |1 +--+ 20| VCC
A0 |2 19| A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 682 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74684
8-bit inverting magnitude comparator.
+---+--+---+
/A>B |1 +--+ 20| VCC
A0 |2 19| A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 684 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74686
8-bit inverting magnitude comparator with enable.
+---+--+---+
/A>B |1 +--+ 24| VCC
/EN1 |2 23| /EN2
A0 |3 22| /A=B
B0 |4 21| B7
A1 |5 20| A7
B1 |6 74 19|
|7 686 18| B6
A2 |8 17| A6
B2 |9 16| B5
A3 |10 15| A5
B3 |11 14| B4
GND |12 13| A4
+----------+
74687
8-bit open-collector inverting magnitude comparator with enable.
+---+--+---+
/A>B |1 +--+ 24| VCC
/EN1 |2 23| /EN2
A0 |3 22| /A=B
B0 |4 21| B7
A1 |5 20| A7
B1 |6 74 19|
|7 687 18| B6
A2 |8 17| A6
B2 |9 16| B5
A3 |10 15| A5
B3 |11 14| B4
GND |12 13| A4
+----------+
74688
8-bit inverting identity comparator with enable.
+---+--+---+
/EN |1 +--+ 20| VCC
A0 |2 19| /A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 688 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74689
8-bit open-collector inverting identity comparator with enable.
+---+--+---+
/EN |1 +--+ 20| VCC
A0 |2 19| /A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 689 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74691
4-bit 3-state synchronous binary counter with output registers, asynchronous reset and ripple carry output. Multiplexed register/counter outputs.
+---+--+---+
/CRST |1 +--+ 20| VCC
CCLK |2 19| RCO
P0 |3 18| Q0
P1 |4 17| Q1
P2 |5 74 16| Q2
P3 |6 691 15| Q3
ENP |7 14| ENT
/RRST |8 13| /LOAD
RCLK |9 12| /OE
GND |10 11| R//C
+----------+
74697
4-bit 3-state synchronous binary up/down counter with output registers, asynchronous reset and ripple carry output. Multiplexed register/counter outputs.
+---+--+---+
U//D |1 +--+ 20| VCC
CCLK |2 19| RCO
P0 |3 18| Q0
P1 |4 17| Q1
P2 |5 74 16| Q2
P3 |6 697 15| Q3
ENP |7 14| ENT
/CRST |8 13| /LOAD
RCLK |9 12| /OE
GND |10 11| R//C
+----------+
74699
4-bit 3-state synchronous binary up/down counter with output registers, reset and ripple carry output. Multiplexed register/counter outputs.
+---+--+---+
U//D |1 +--+ 20| VCC
CCLK |2 19| RCO
P0 |3 18| Q0
P1 |4 17| Q1
P2 |5 74 16| Q2
P3 |6 699 15| Q3
ENP |7 14| ENT
/CRST |8 13| /LOAD
RCLK |9 12| /OE
GND |10 11| R//C
+----------+
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