BUY HD74HC390P https://www.utsource.net/itm/p/117119.html
Logic IC; Function: Dual Decade Counters; Package: DIP
Description: The HD74HC390P is a dual 4-bit binary counter with two clock inputs (CP0 and CP1) and an asynchronous master reset input (MR).
Features:
High speed: tPD = 10 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 1 μA (max) at Ta = 25°C
TTL-compatible inputs and outputs
Synchronous operation: All inputs except reset are edge-triggered
Outputs source/sink 24 mA
Outputs can be paralleled for higher current
Applications:
Frequency division
Divide-by-N counters
Pulse generation
Clock and timing circuits
Frequency synthesizers
Shift registers
Data separators
(For reference only)
