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Product Detailed Parameters
- Description：ICM7218 8 DIGIT LED DISPLAY DRIV
- Series：*
- Mfr：Intersil
- Package：Bulk
- Type：-
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：-
- Voltage - Supply (Min)：-
- Voltage - Supply (Max)：-
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：-
- Applications：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The ICM7218CIJI is an 8-digit, 64-segment LED display driver manufactured by Intersil. It operates within a supply voltage range of 4 V to 6 V and consumes a maximum power supply current of 2.5 mA. The component is housed in a 28-pin CDIP package and supports through-hole mounting. It functions across an industrial temperature range from -40 °C to +85 °C. This device integrates decoding logic and drivers for multiplexed LED displays.
Feature Summary
- Integrates complete circuitry for interfacing with microprocessors and driving common LED displays
- Provides internal decoding logic and segment/digit drivers for direct LED control
- Supports multiplexed display configurations without requiring external crystal oscillators
Applications
- Microprocessor-based digital display systems
- Industrial instrumentation readouts
- Consumer electronic device interfaces
Procurement Notes
Verify the specific suffix 'JI' against official Intersil or Renesas documentation to confirm pinout compatibility and electrical characteristics. Confirm RoHS compliance status as historical data may vary. Check current lifecycle status, as older components may be subject to obsolescence notices or limited availability from authorized distributors.
Selection Notes
Select this component when designing systems requiring integrated 8-digit LED driving with parallel microprocessor interfaces. Ensure the target application operates within the specified 4 V to 6 V supply range. Verify that the 28-pin CDIP package fits the PCB layout constraints. Consider thermal management requirements given the operating temperature limits.
Part Context
The ICM7218 series represents a family of universal LED driver systems originally developed by Intersil. These chips consolidate decoder, latch, and driver functions into a single package. The CIJI variant specifically denotes the commercial/industrial grade version with CDIP packaging, distinguishing it from other pin-compatible variants like A, B, or D types which may have different control signal configurations.
Replacement Considerations
ICM7218DIJI: Similar 8-digit driver but verify if the 'D' prefix indicates different electrical specs or packaging than the 'C' prefix. Cross-reference datasheets for pinout compatibility before substitution.
