TC74AC573F View Datasheet(PDF) - Toshiba

Part Name

Description

View to exact match

TC74AC573F

Octal D-Type Latch with 3-State Output

Toshiba 

Pin Assignment

TC74AC573P/F/FT

IEC Logic Symbol

OE 1

D0 2

D1 3

D2 4

D3 5

D4 6

D5 7

D6 8

D7 9

GND 10

20 VCC

19 Q0

18 Q1

17 Q2

16 Q3

15 Q4

14 Q5

13 Q6

12 Q7

11 LE

OE (1) EN

LE (11) C1

D0 (2) 1D

D1 (3)

D2 (4)

D3 (5)

D4 (6)

D5 (7)

D6 (8)

D7 (9)

(top view)

Truth Table

Inputs

OE LE D

H

X

X

L

L

X

L

H

L

L

H

H

Output

Q

Z

Qn

L

H

X: Don’t care

Z: High impedance

Qn: Q outputs are latched at the time when the LE input is taken to a low logic level.

System Diagram

(19) Q0

(18) Q1

(17) Q2

(16) Q3

(15) Q4

(14) Q5

(13) Q6

(12) Q7

11

LE

D0

2

D

D1

3

D

D2

4

D

D3

5

D

D4

6

D

D5

7

D

D6

8

D

D7

9

D

Q

Q

Q

Q

Q

Q

Q

Q

L

L

L

L

L

L

L

L

1

OE

19

Q0

18

Q1

17

Q2

16

Q3

15

Q4

14

Q5

13

Q6

12

Q7

2

2007-10-01

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