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 pin