ICM7218 Datasheet

LED Display Drivers


The Maxim ICM7218 display driver interfaces micro-processors to an 8 digit, 7 segment, numeric LEDdisplay. Included on chip are two types of 7 segmentdecoders, multiplex scan circuitry, segment and digitdrivers, and an 8 x 8 static memory.The ICM7218A and ICM7218B accept data in a serialformat and drive common anode (ICM7218A) orcommon cathode (ICM7218B) displays. The ICM7218Cand ICM7218D accept data in a parallel format anddrive common anode (ICM7218C) or common cathode(ICM7218D) displays. All four versions can display thedata in either hexadecimal or code B format. TheICM7218A and ICM7218B also feature a No Decodemode where each individual segment can be inde-pendently controlled. This is particularly useful indriving bar graphs.The Maxim ICM7218 is an alternative for both theIntersil ICM7218 and ICM7228.ICM7218 for both devices. ICM7218 Features • Improved 2nd Source! See 3rd page of this datasheet for our "Maxim Advantage"• Fast Access Time: 200ns Write Pulse Width• Microprocessor Compatible• Hexadecimal and Code B Decoders• Individual Segment Control with "No Decode"Feature• Digit and Segment Drivers On-Chip• Common Anode and Common Cathode LED versions available• Low Power CMOS ICM7218 Applications • Instrumentation• Test Equipment• Hand Held Instruments• Bargraph Displays• Panel Meters


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Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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