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datasheet pdf - http://www.DataSheet4U.net/
EN TI TAN M I CRO ELECTRONI CS CO. , LTD. SHEN ZH ZHE TIT
http://www.DataSheet4U.net/
LED DRI VER DRIV
DESCRIPTION
TM 1628 TM1
TM1628 is an LED Controller driven on a 1/7 to 1/8 duty factor. Eleven segment output lines, six grid output lines, 1 segment/grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip microcomputer. Serial data is fed to TM1628 via a three-line serial interface. Housed in a 28-pin SO Package, TM1628 pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages.