SN54HC373, SN74HC373

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCLS140B – DECEMBER 1982 – REVISED MAY 1997

2

POST OFFICE BOX 655303

FUNCTION TABLE

(each latch)

INPUTS

OUTPUT

OE

LE

D

Q

L

H

H

H

L

HL

L

L

LX

Q0

H

X

X

Z

1D

3

1D

4

2D

7

3D

EN

1

1Q

2

2Q

5

3Q

6

8

4D

13

5D

14

6D

4Q

9

5Q

12

6Q

15

OE

17

7D

18

8D

C1

11

LE

7Q

16

8Q

19

† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

logic diagram (positive logic)

OE

To Seven Other Channels

1

11

3

2

LE

1D

C1

1D

1Q