SN54ALS193A, SN74ALS193A

SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS

WITH DUAL CLOCK AND CLEAR

SDAS211C – DECEMBER 1982 – REVISED JULY 1996

2

POST OFFICE BOX 655303

CTRDIV16

LOAD

CO

1CT = 15

2CT = 0

12

3D

15

A

1

B

10

C

9

D

CT = 0

14

CLR

2+

G1

C3

11

5

UP

1–

G2

4

DOWN

13

3

2

6

7

BO

QA

QB

QC

QD

[1]

[2]

[4]

[8]

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

Pin numbers shown are for the D, J, and N packages.