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AND1741 Datasheet(PDF) 3 Page - Purdy Electronics Corporation |
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AND1741 Datasheet(HTML) 3 Page - Purdy Electronics Corporation |
3 / 4 page Intelligent Graphics Display AND1741MST Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 3 Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com 7/20/07 Power Supply LCD panel is driven by the voltage VDD–VEE, so adjustable VEE is required for contrast control and temperature compensation. Timing Relationships and Diagram Timing Diagram Block Diagram Temperature Variations Temperature V DD–VEE (MST) V DD–VEE (BST) 0°C 21.0 20.0 +25°C 19.5 18.5 +50°C 17.6 16.6 Signal Timing Relationships Item Symbol Min. Max. Unit C/D Set Up Time tCDS 100 – ns C/D Hold Time tCDH 10 – CE , RD, WR Pulse Width tCEtRD,tWR 80 – Data Set Up Time tDS 80 – Data Hold Time tDH 40 – Access Time tACC – 150 Output Hold Time tOH 10 50 t CDS t CP,tRD,tWP t ACC t CDH t DH t OH t DS C/D CE RD, WR D0-D7 (WRITE) D0-D7 (READ) 80 80 X-Driver 80 X-Driver 64 Y-Driver 64 Y-Driver Control Lines ED HSCP FR LP CDATA 13 8 8 R/W CE1 WR D0-D7 RD CE C/D RESET LCD V FL V FL Backlight X-Driver I/O0-I/O7 A0-A12 AD0-AD12 D0-D7 RAM (8K byte) T6963C Because signal lines are directly connected to C-MOS and are not pull-up or pull-down internally, except RESET which is pull-up to V DD, you must guard all signals from external noise. |
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