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TC7211AM

Part Number	TC7211AM
Manufacturer	TelCom Semiconductor
Description	BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER
Published	Dec 22, 2009
Detailed Description	1 TC7211AM BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER FEATURES s s s s s 4-Digit Non-Multiplexed 7-Segment LCD Outputs ...
Datasheet	TC7211AM PDF File

Overview

1 TC7211AM BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER FEATURES s s s s s 4-Digit Non-Multiplexed 7-Segment LCD Outputs With Backplane Driver Input and Digit Select Data Latches RC Oscillator On-Chip Generates Backplane Drive Signal Eliminates DC Bias Which Degrades LCD Life Backplane Input/Output Pin Permits Synchronization of Cascaded Slave Device to a Master Backplane Signal Binary and BCD Inputs Decoded to Code B (0 to 9, —, E, H, L, P, Blank) Pin Compatible and Functionally Equivalent to ICM7211AM 2 3 4 5 6 7 GENERAL DESCRIPTION The TC7211AM (LCD Decoder/driver) is a CMOS direct drive, 4-digit, 7-segment display decoder and driver.
The TC7211AM drives conventional LCDs.
An RC oscillator, divider chain, backplane driver, and 28-segment outputs are provided on a single CMOS chip.
The segment drivers supply square waves of the same frequency as the backplane, but in-phase for an OFF segment and out-ofphase for an ON segment.
The net DC voltage applied between driver segment and bac...

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TC7211AM BUS COMPATIBLE 4-DIGIT CMOS DECODER/DRIVER - TelCom Semiconductor

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