ICM7217CIPI

Programmable Timers And Oscillators Overview

The ICM7217CIPI is a four-digit, presettable up/down counter with an onboard multiplexed LED display driver. Manufactured by Analog Devices (formerly Maxim Integrated/Harris), it features a parallel zero detect and a settable register continuously compared to the counter. The device directly drives multiplexed 7-segment common anode or common cathode LED displays. It operates on a single 5V supply with a maximum power dissipation of 1W and functions within a temperature range of -20°C to +85°C. The component is housed in a 28-pin PDIP package.

Programmable Timers And Oscillators Feature Summary

• Four-decade presettable up/down counter with parallel zero detect
• Onboard multiplex scan oscillator controllable via a single capacitor
• Directly drives multiplexed 7-segment LED displays up to 0.8-inch character height
• TTL-compatible BCD I/O port with carry/borrow, equal, and zero outputs

Programmable Timers And Oscillators Applications

• Hard-wired applications utilizing thumbwheel switches for data loading
• Digital counting systems requiring presettable registers
• LED display interfaces for industrial control panels

Programmable Timers And Oscillators Procurement Notes

Verify manufacturer lineage as Harris Corporation assets were acquired by Intersil, then Maxim Integrated, and subsequently Analog Devices. Confirm RoHS compliance status for the specific suffix variant. Check current availability as distribution may be limited due to product lifecycle status. Ensure the 28-pin PDIP package matches the target PCB footprint requirements.

Programmable Timers And Oscillators Selection Notes

Select this component when a dedicated solution for driving multiplexed 7-segment LEDs from a BCD source is required without external logic. Compare against the ICM7217BIPI for commercial grade specifications if wider temperature ranges are not needed. Ensure the design supports the 25% duty cycle drive requirement for common anode displays.

Programmable Timers And Oscillators Part Context

This part belongs to the ICM7217B/C series of LED display drivers. The 'C' suffix typically denotes commercial temperature rating (-20°C to +85°C), distinguishing it from the 'B' variant which often covers a broader industrial range. The 'IPI' suffix indicates the plastic DIP-28 package type.

Programmable Timers And Oscillators Replacement Considerations

The ICM7217BIPI+ is a pin-compatible alternative within the same family, potentially offering different temperature ratings. Verify electrical parameters and temperature specs before substitution.