ICM7217
Overview
The ICM7217 is a four digit, presettable up/down counter with an onboard presettable register continuously compared to the counter. The ICM7217 is intended for use in hard-wired applications where thumbwheel switches are.
- 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
