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*