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| AND731GST/GST-LED 4 Lines x 16 Characters Intelligent Character Display The AND731GST/GST-LED devices are compact, LCD modules that have an on-board LCD controller and driver circuit. These devices can display 160 characters (numerals, letters, symbols and Kana letters, as well as eight custom characters. Features * * * * * * * * RoHS Compliant AND731GST: Super Twist Technology AND731GST-LED: STN with LED backlight Low voltage, +5V single power supply Built-inController 5 x 7 Dots with cursor 1/16 Duty cycle 4.2V LED forward voltage Electrical Characteristics (TA = 25C) Item T = 0C LCD Operating T = 25C Voltage T = 50C Supply Voltage Supply Current VDD -VO VDD -VSS IDD Hi Level Low Level Hi Level Low Level VIH VIL VOH VOL Symbol Min. - - - 4.7 - 2.2 0 2.4 - Typ. 4.8 4.5 4.2 5 3.2 - - - - Max. - - - 5.3 6 - VDD 0.6 0.4 V mA V V V V Unit V Mechanical Characteristics Item Outline Dimensions Character Size Viewing Area Character Pitch Dot Size Dot Pitch Specification 87 (W) x 60 (H) x 8.8 (D) (12.7 LED) 2.95 (W) x 4.75 (H) 62 (W) x 25.6 (H) 3.55 (W) x 5.35 (H) 0.55 (W) x 0.55 (H) 0.60 (W) x 0.60 (H) Unit Input Voltage mm mm mm mm mm mm Outpit Voltage Optical Characteristics (TA = 25C, = 0, = 0) Item Viewing Angle Contrast Symbol K Ton Toff Min. - - - - Typ. 50 6.0 200 250 Max. - - 400 400 Unit degree - ms ms Absolute Maximum Ratings Item LED Forward Current LED Reverse Voltage Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol IF VR VDD VIN Top Tstg Rating 400 4 7.0 0 VIN VDD 0 to +50 -20 to +60 Unit mA V V V C C Turn On Turn Off Product specifications contained herein may be changed without prior notice. It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product. 1 Purdy Electronics Corporation * 720 Palomar Avenue * Sunnyvale, CA 94085 Tel: 408.523.8200 * Fax: 408.733.1287 * sales@purdyelectronics.com * www.purdyelectronics.com 7/20/07 AND731GST/GST-LED Intelligent Character Display Connector Pin Assignment Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Signal VSS VDD VO RS R/W E DBO DB1 DB2 DB3 DB4 DB5 Ground +5 Power Supply LCD Drive Voltage "H" Data Input "L" Command Input Read/Write Enable Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Function Connector Pin Assignment (Continued) Pin No. 13 14 15 16 Signal DB6 DB7 A K Data Bit 6 Data Bit 7 LED Power LED Power Function Power Supply The LCD panel is driven by the voltage VDD -VO, so you need an adjustable VO for contrast and temperature control. Temperature Variations Temperature 0C +25C +50C V DD -VO 5.00 4.75 4.50 Block Diagram Dimensional Outline 7/20/07 Purdy Electronics Corporation * 720 Palomar Avenue * Sunnyvale, CA 94085 Tel: 408.523.8200 * Fax: 408.733.1287 * sales@purdyelectronics.com * www.purdyelectronics.com 2 |
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