Features

• Four Decade, Presettable Up-Down Counter with

Parallel Zero Detect

• Settable Register with Contents Continuously

Compared to Counter

• Directly Drives Multiplexed 7 Segment Common

Anode or Common Cathode LED Displays

• On-Board Multiplex Scan Oscillator

• Schmitt Trigger On Count Input

• TTL Compatible BCD I/O Port, Carry/Borrow, Equal,

and Zero Outputs

• Display Blank Control for Lower Power Operation;

Quiescent Power Dissipation <5mW

• All Terminals Fully Protected Against Static Discharge

• Single 5V Supply Operation