The 74LV393 is a low-voltage Si-gate CMOS device and is pin and function compatible with 74HC/HCT393. The 74LV393 is a dual 4-bit binary ripple counter with separate clocks (1CP, 2CP) and master reset ...
The 74HC590 is a high-speed 8-bit binary counter with output register and 3-state outputs. This device features independent clock inputs in counter and register, master reset in counter, ESD ...