NEC UPD16667
160-OUTPUT LCD ROW DRIVER
FEATURES
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● LCD-driven voltage: 20 to 36 V Duty: 1/160 Driving type: 2 lines selected simultaneously Output count: 160 outputs Capable of gray scale display: 4 gray scales ORDERING INFORMATION Part No. Package TCP (TAB) Standard TCP (OLB: 0.2 mm pitch, folding) µPD16667N-XXX µPD16667N-051 The external shape of the TCP is custom-made, so please contact an NEC sales representative with your shape requirements. Document No. S12838EJ4V0DS00 (4th edition) Date Published January 1999 N CP(K) Printed in Japan The mark shows major revised points. µPD16667 BLOCK DIAGRAM X1 to X160 VDD Liquid-crystal drive circuit V1 VEE Selection control circuit Q1 to Q80 Bidirectional shift register DIR VCC1 VSS Level shifter L1 L2 /DOFF’ STB /FRM Remark /xxx indicates active low signal. Column driver interface BLOCK FUNCTION 1. Liquid-crystal drive circuit This circuit selects and outputs the level for liquid-crystal driving. One of VDD, VEE, and V1 is selected by the output of the selection control circuit.