BUY 74LS393PC https://www.utsource.net/itm/p/1767807.html
Asynchronous Up/Down Counter
Description: The 74LS393PC is a dual 4-bit binary counter with complementary outputs from Fairchild Semiconductor.
Features:
High speed operation
Low power consumption
TTL compatible
Inputs and outputs are fully buffered
High noise immunity
High output drive capability
Applications:
Frequency division
Pulse counting
Timing
Pulse width modulation
Signal processing
(For reference only)
