Maxim Integrated ICM7217AIPI+ PDIP Display Driver, 7 Segment, 28 Pin, (Maximum) 5.5 V

Pin for Pin Second Source!
4 Digit Up/Down Counter
Directly Drives LED Display
Presettable Counter and Compare Register
Interfaces with Thumbwheel Switches or Digital Logic
Can Be Cascaded
Multiplexed BCD 1/0
Up/Down, Store and Reset Inputs
Monolithic, Low Power CMOS Design
Applications
Predetermining Batch Counter
Tachometer
Over/Under Speed Detector
Count Down/Elapsed Timer
Unit Counter
Frequency Counter