74HC4518 - Dual synchronous BCD counter
The 74HC/HCT4518 are high-speed Si-gate CMOS devices and are pin compatible with the “4518” of the “4000B” series.
They are specified in compliance with JEDEC standard no.
7A.
The 74HC/HCT4518 are dual 4-bit internally synchronous BCD counters with an active HIGH clock input (nCP0) and an active LOW