Dual 4−Stage Binary Ripple Counter with ÷2 and ÷5 Sections

High−Performance Silicon−Gate CMOS

The MC74HC390A is identical in pinout to the LS390. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.

Features

• Output Drive Capability: 10 LSTTL Loads

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 2.0 to 6.0 V

• Low Input Current: 1 μA

• High Noise Immunity Characteristic of CMOS Devices

• In Compliance with the Requirements Defined by JEDEC Standard No 7A

• Chip Complexity: 244 FETs or 61 Equivalent Gates

• Pb−Free Packages are Available*