7400 series TTL IC's: 74500...74599
74519
8-bit open-collector noninverting identity comparator with enable.
+---+--+---+
/OE |1 +--+ 20| VCC
A0 |2 19| A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 519 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74520
8-bit inverting identity comparator with itegrated 20k pull-up resistors
and enable.
+---+--+---+
/EN |1 +--+ 20| VCC
A0 |2 19| A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 520 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74521
8-bit inverting identity comparator with enable.
+---+--+---+
/OE |1 +--+ 20| VCC
A0 |2 19| A=B
B0 |3 18| B7
A1 |4 17| A7
B1 |5 74 16| B6
A2 |6 521 15| A6
B2 |7 14| B5
A3 |8 13| A5
B3 |9 12| B4
GND |10 11| A4
+----------+
74533
8-bit 3-state inverting transparent latch.
+---+--+---+ +---+---+---*---+
/OE |1 +--+ 20| VCC |/OE| LE| D | Q |
/Q1 |2 19| /Q8 +===+===+===*===+
D1 |3 18| D8 | 1 | X | X | Z |
D2 |4 17| D7 | 0 | 0 | X | - |
/Q2 |5 74 16| /Q7 | 0 | 1 | 0 | 0 |
/Q3 |6 533 15| /Q6 | 0 | 1 | 1 | 1 |
D3 |7 14| D6 +---+---+---*---+
D4 |8 13| D5
/Q4 |9 12| /Q5
GND |10 11| LE
+----------+
74534
8-bit 3-state inverting D flip-flop.
+---+--+---+ +---+---+---*---+
/OE |1 +--+ 20| VCC |/OE|CLK| D |/Q |
/Q1 |2 19| /Q8 +===+===+===*===+
D1 |3 18| D8 | 1 | X | X | Z |
D2 |4 17| D7 | 0 | / | 0 | 1 |
/Q2 |5 74 16| /Q7 | 0 | / | 1 | 0 |
/Q3 |6 534 15| /Q6 | 0 |!/ | X | - |
D3 |7 14| D6 +---+---+---*---+
D4 |8 13| D5
/Q4 |9 12| /Q5
GND |10 11| CLK
+----------+
74540
8-bit 3-state inverting buffer/line driver.
+---+--+---+
/OE1 |1 +--+ 20| VCC
A1 |2 19| /OE2
A2 |3 18| /Y1
A3 |4 17| /Y2
A4 |5 74 16| /Y3
A5 |6 540 15| /Y4
A6 |7 14| /Y5
A7 |8 13| /Y6
A8 |9 12| /Y7
GND |10 11| /Y8
+----------+
74541
8-bit 3-state noninverting buffer/line driver.
+---+--+---+
/OE1 |1 +--+ 20| VCC
A1 |2 19| /OE2
A2 |3 18| Y1
A3 |4 17| Y2
A4 |5 74 16| Y3
A5 |6 541 15| Y4
A6 |7 14| Y5
A7 |8 13| Y6
A8 |9 12| Y7
GND |10 11| Y8
+----------+
74543
8-bit 3-state noninverting registered transceiver.
+---+--+---+
/LEBA |1 +--+ 24| VCC
/GBA |2 23| /CEBA
A1 |3 22| B1
A2 |4 21| B2
A3 |5 20| B3
A4 |6 74 19| B4
A5 |7 543 18| B5
A6 |8 17| B6
A7 |9 16| B7
A8 |10 15| B8
/CEAB |11 14| /LEAB
GND |12 13| /GAB
+----------+
74544
8-bit 3-state inverting registered transceiver.
+---+--+---+
/LEBA |1 +--+ 24| VCC
/GBA |2 23| /CEBA
A1 |3 22| B1
A2 |4 21| B2
A3 |5 20| B3
A4 |6 74 19| B4
A5 |7 544 18| B5
A6 |8 17| B6
A7 |9 16| B7
A8 |10 15| B8
/CEAB |11 14| /LEAB
GND |12 13| /GAB
+----------+
74561
4-bit 3-state synchronous binary counter with sync/async load, sync/async
reset, and ripple/clocked carry output.
+---+--+---+
/ALD |1 +--+ 20| VCC
CLK |2 19| RCO
P0 |3 18| CCO
P1 |4 17| /OE
P2 |5 74 16| Q0
P3 |6 561 15| Q1
ENP |7 14| Q2
/ARST |8 13| Q3
/SRST |9 12| ENT
GND |10 11| /SLD
+----------+
74563
8-bit 3-state inverting transparent latch.
+---+--+---+ +---+---+---*---+
/OE |1 +--+ 20| VCC |/OE| LE| D |/Q |
D1 |2 19| /Q1 +===+===+===*===+
D2 |3 18| /Q2 | 1 | X | X | Z |
D3 |4 17| /Q3 | 0 | 0 | X | - |
D4 |5 74 16| /Q4 | 0 | 1 | 0 | 1 |
D5 |6 563 15| /Q5 | 0 | 1 | 1 | 0 |
D6 |7 14| /Q6 +---+---+---*---+
D7 |8 13| /Q7
D8 |9 12| /Q8
GND |10 11| LE
+----------+
74564
8-bit 3-state inverting D flip-flop.
+---+--+---+ +---+---+---*---+
/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 | 1 |
D4 |5 74 16| /Q4 | 0 | / | 1 | 0 |
D5 |6 564 15| /Q5 | 0 |!/ | X | - |
D6 |7 14| /Q6 +---+---+---*---+
D7 |8 13| /Q7
D8 |9 12| /Q8
GND |10 11| CLK
+----------+
74568
4-bit 3-state synchronous decade up/down counter with load, sync/async reset,
and ripple/clocked carry output.
+---+--+---+
U//D |1 +--+ 20| VCC
CLK |2 19| /RCO
P0 |3 18| /CCO
P1 |4 17| /OE
P2 |5 74 16| Q0
P3 |6 568 15| Q1
/ENP |7 14| Q2
/ARST |8 13| Q3
/SRST |9 12| /ENT
GND |10 11| /LOAD
+----------+
74569
4-bit 3-state synchronous binary up/down counter with load, sync/async reset,
and ripple/clocked carry output.
+---+--+---+
U//D |1 +--+ 20| VCC
CLK |2 19| /RCO
P0 |3 18| /CCO
P1 |4 17| /OE
P2 |5 74 16| Q0
P3 |6 569 15| Q1
/ENP |7 14| Q2
/ARST |8 13| Q3
/SRST |9 12| /ENT
GND |10 11| /LOAD
+----------+
74573
8-bit 3-state transparent latch.
+---+--+---+ +---+---+---*---+
/OE |1 +--+ 20| VCC |/OE| LE| D |/Q |
D1 |2 19| Q1 +===+===+===*===+
D2 |3 18| Q2 | 1 | X | X | Z |
D3 |4 17| Q3 | 0 | 0 | X | - |
D4 |5 74 16| Q4 | 0 | 1 | 0 | 0 |
D5 |6 573 15| Q5 | 0 | 1 | 1 | 1 |
D6 |7 14| Q6 +---+---+---*---+
D7 |8 13| Q7
D8 |9 12| Q8
GND |10 11| LE
+----------+
74574
8-bit 3-state D flip-flop.
+---+--+---+ +---+---+---*---+
/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 74 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
+----------+
74575
8-bit 3-state D flip-flop with reset.
+---+--+---+ +----+---+---+---*---+
/RST |1 +--+ 24| VCC |/RST|/OE|CLK| D | Q |
/OE |2 23| +====+===+===+===*===+
D1 |3 22| Q1 | 0 | 1 | X | X | Z |
D2 |4 21| Q2 | X | 0 | X | X | 0 |
D3 |5 20| Q3 | 1 | 0 | / | 0 | 0 |
D4 |6 74 19| Q4 | 1 | 0 | / | 1 | 1 |
D5 |7 575 18| Q5 | 1 | 0 |!/ | X | - |
D6 |8 17| Q6 +----+---+---+---*---+
D7 |9 16| Q7
D8 |10 15| Q8
|11 14| CLK
GND |12 13|
+----------+
74576
8-bit 3-state inverting D flip-flop.
+---+--+---+ +---+---+---*---+
/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 | 1 |
D4 |5 74 16| /Q4 | 0 | / | 1 | 0 |
D5 |6 576 15| /Q5 | 0 |!/ | X | - |
D6 |7 14| /Q6 +---+---+---*---+
D7 |8 13| /Q7
D8 |9 12| /Q8
GND |10 11| CLK
+----------+
74577
8-bit 3-state inverting D flip-flop with reset.
+---+--+---+ +----+---+---+---*---+
/RST |1 +--+ 24| VCC |/RST|/OE|CLK| D |/Q |
/OE |2 23| +====+===+===+===*===+
D1 |3 22| /Q1 | 0 | 1 | X | X | Z |
D2 |4 21| /Q2 | X | 0 | X | X | 1 |
D3 |5 20| /Q3 | 1 | 0 | / | 0 | 1 |
D4 |6 74 19| /Q4 | 1 | 0 | / | 1 | 0 |
D5 |7 577 18| /Q5 | 1 | 0 |!/ | X | - |
D6 |8 17| /Q6 +----+---+---+---*---+
D7 |9 16| /Q7
D8 |10 15| /Q8
|11 14| CLK
GND |12 13|
+----------+
74580
8-bit 3-state inverting transparent latch.
+---+--+---+ +---+---+---*---+
/OE |1 +--+ 20| VCC |/OE| LE| D |/Q |
D1 |2 19| /Q1 +===+===+===*===+
D2 |3 18| /Q2 | 1 | X | X | Z |
D3 |4 17| /Q3 | 0 | 0 | X | - |
D4 |5 74 16| /Q4 | 0 | 1 | 0 | 1 |
D5 |6 580 15| /Q5 | 0 | 1 | 1 | 0 |
D6 |7 14| /Q6 +---+---+---*---+
D7 |8 13| /Q7
D8 |9 12| /Q8
GND |10 11| LE
+----------+
74589
8-bit 3-state parallel-in serial-out shift register with input registers.
Independent clocks for shift and storage registers.
+---+--+---+
P1 |1 +--+ 16| VCC
P2 |2 15| P0
P3 |3 14| D
P4 |4 74 13| SH//LD
P5 |5 589 12| RCLK
P6 |6 11| SCLK
P7 |7 10| /OE
GND |8 9| Q7
+----------+
74590
8-bit 3-state synchronous binary counter with reset and output registers.
Separate clocks for both counter and storage register, ripple carry output.
+---+--+---+
Q1 |1 +--+ 16| VCC
Q2 |2 15| Q0
Q3 |3 14| /OE
Q4 |4 74 13| RCLK
Q5 |5 590 12| /CLKEN
Q6 |6 11| CCLK
Q7 |7 10| /CRST
GND |8 9| /RCO
+----------+
74592
8-bit synchronous binary counter with input registers.
Separate clocks for counter and input register. Counter outputs only
internally connected but ripple carry and clock outputs available.
+---+--+---+
P1 |1 +--+ 16| VCC
P2 |2 15| P0
P3 |3 14| /CLOAD
P4 |4 74 13| RCLK
P5 |5 592 12| /CLKEN
P6 |6 11| CCLK
P7 |7 10| /CRST
GND |8 9| /RCO
+----------+
74593
8-bit 3-state synchronous binary counter with input registers and ripple
carry and clock outputs. Separate clocks for counter and input registers.
+---+--+---+
P0 |1 +--+ 20| VCC
P1 |2 19| OE
P2 |3 18| /OE
P3 |4 17| /RCLKEN
P4 |5 74 16| RCLK
P5 |6 593 15| CLKEN
P6 |7 14| /CLKEN
P7 |8 13| CCLK
/CLD |9 12| /CRST
GND |10 11| /RCO
+----------+
74594
8-bit serial-in parallel-out shift register with output registers and
two asynchronous resets. Independent clocks and resets for shift and
storage registers.
+---+--+---+
Y1 |1 +--+ 16| VCC
Y2 |2 15| Y0
Y3 |3 14| A
Y4 |4 74 13| /RRST
Y5 |5 594 12| RCLK
Y6 |6 11| SCLK
Y7 |7 10| /SRST
GND |8 9| Q7
+----------+
74595
8-bit 3-state serial-in parallel-out shift register with output registers and
asynchronous reset. Independent clocks for shift and storage registers.
+---+--+---+
Y1 |1 +--+ 16| VCC
Y2 |2 15| Y0
Y3 |3 14| A
Y4 |4 74 13| /OE
Y5 |5 595 12| RCLK
Y6 |6 11| SCLK
Y7 |7 10| /RST
GND |8 9| Q7
+----------+
74596
8-bit open-collector serial-in parallel-out shift register with output
registers and asynchronous reset. Independent clocks for shift and storage
registers.
+---+--+---+
Y1 |1 +--+ 16| VCC
Y2 |2 15| Y0
Y3 |3 14| D
Y4 |4 74 13| /OE
Y5 |5 596 12| RCLK
Y6 |6 11| SCLK
Y7 |7 10| /RST
GND |8 9| Q7
+----------+
74597
8-bit parallel-in serial-out shift register with input registers and
asynchronous reset. Independent clocks for shift and storage registers.
+---+--+---+
P1 |1 +--+ 16| VCC
P2 |2 15| P0
P3 |3 14| D
P4 |4 74 13| SH//LD
P5 |5 597 12| RCLK
P6 |6 11| SCLK
P7 |7 10| /RST
GND |8 9| Q7
+----------+
74598
8-bit 3-state shift register with input registers, asynchronous reset and
selectable serial input. Independent clocks for shift and storage registers.
+---+--+---+
P0 |1 +--+ 20| VCC
P1 |2 19| S
P2 |3 18| D
P3 |4 17| E
P4 |5 74 16| /OE
P5 |6 598 15| RCLK
P6 |7 14| /SCE
P7 |8 13| SCLK
SH//LD |9 12| /RST
GND |10 11| Q7
+----------+
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