74190 IC Up/Down Decade Counter DIP-16

Features:

Counts

8-4-2-1

BCD

or

Binary

Single

Down/Up

Count

Control

Line

Count

Enable

Control

Input

Ripple

Clock

Output

for

Cascading

Asynchronously

Presettable

with

Load
Control

Parallel

Outputs

Cascadable

for

n-Bit

Applications

74LS190 Pinout Diagram

74LS190 Pin Description

Pin No

Pin Name

Description

1

P1

Parallel Data Input

2

Q1

Flip-Flop Output

3

Q0

Flip-Flop Output

4

CE

Count Enable (Active LOW) Input

5

U/D

Up/Down Count Control Input

6

Q2

Flip-Flop Output

7

Q3

Flip-Flop Output

8

GND

Ground

9

P3

Parallel Data Input

10

P2

Parallel Data Input

11

PL

Parallel Load Control (Active LOW) Input

12

TC

Terminal Count Output

13

RC

Ripple Clock Output

14

CP

Clock Pulse (Active HIGH going edge) Input

15

P0

Parallel Data Input

16

VCC

Positive Supply

Specifications

Family: LS

Logic circuit type: Synchronous up/down BCD counter

Counter type: BCD 8-4-2-1

Output type: Parallel

Minimum supply voltage: 4.75 V

Maximum supply voltage: 5.25 V

Minimum operating temperature: 0C

Maximum operating temperature: 70C

Encapsulation: DIP

16 pins

74190 Datasheet