74190 IC Up/Down Decade Counter DIP-16

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: 0°C
Maximum operating temperature: 70°C
Encapsulation: DIP
16 pins

74190 Datasheet

20.00 LE

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