Features: • ICM7231 Drives 8 Digits of 7 Segments with Two Independent Annunciators Per Digit Address and Data Input in Parallel Format• ICM7232 Drives 10 Digits of 7 Segments with Two Independent Annunciators Per Digit Address and Data Input in Serial Format• All Signals Require...
ICM7231: Features: • ICM7231 Drives 8 Digits of 7 Segments with Two Independent Annunciators Per Digit Address and Data Input in Parallel Format• ICM7232 Drives 10 Digits of 7 Segments with Two I...
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• ICM7231 Drives 8 Digits of 7 Segments with Two Independent Annunciators Per Digit Address and Data Input in Parallel Format
• ICM7232 Drives 10 Digits of 7 Segments with Two Independent Annunciators Per Digit Address and Data Input in Serial Format
• All Signals Required to Drive Rows and Columns of Triplexed LCD Display are Provided
• Display Voltage Independent of Power Supply
• On-Chip Oscillator Provides All Display Timing
• Total Power Consumption Typically 200W, Maximum 500W at 5V
• Low-Power Shutdown Mode Retains Data With 5W Typical Power Consumption at 5V, 1mW at 2V
• Direct Interface to High-Speed Microprocessors
The ICM7231 family of integrated circuits are designed to generate the voltage levels and switching waveforms required to drive triplexed liquid-crystal displays.These chips also include input buffer and digit address decoding circuitry allowing six bits of input data to be decoded into 64 independent combinations of the output segments of the selected digit.
The family of the ICM7231 is designed to interface to modern highperformance microprocessors and microcomputers and ease system requirements for ROM space and CPU time needed to service a display.