74191 IC Up/Down Binary Counter

4-bit Binary Counter
Single Up/Down Count Control Line
Count Enable Control Input
Ripple Clock Output for Cascading
IC, BINARY 4BIT UP / DOWN COUNTER
Type of counter: Binary, up / down
Clock frequency: 25 MHz
Maximum count: 15
Supply Voltage Range: 4.75 V to 5.25 V
Operating temperature: 0 ° C to +70 ° C
Account 8-4-2-1 binary
DIP encapsulation
16 pins