AND791GST/GST-LED 4 Lines x 40 Characters Intelligent Character Display The AND791GST/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 AND791GST: Super Twist Technology AND791GST-LED: STN with LED backlight 5 x 7 Dots with Cursor Built-in Controller (KS0066 or equivalent) 5V Power Supply 1/16 Duty Cycle 4.2V LED Forward Voltage Item LCD Operating Voltage Symbol VDD -VO Supply Voltage VDD -VSS Mechanical Characteristics Specification Unit Module Size 190.0 (W) x 54.0 (H) x 8.8 (D) (13.0 LED) mm Viewing Area 149 (W) x 29.5 (H) mm Character Size 2.78 (W) x 4.89 (H) mm Character Pitch 3.53 (W) x 5.49 (H) mm Dot Size 0.50 (W) x 0.55 (H) mm Dot Pitch 0.57 (W) x 0.62 (H) mm Item Electrical Characteristics (TA = 25°C) Conditi on Min. Typ. Max. Unit T=0ºC – 4.8 – V T=25ºC – 4.5 – V T=50ºC – 4.2 – V – 4.7 5 5.3 V Supply Current IDD – – 5.2 10.8 mA “High” Level VIH – 2.2 — VDD V “Low” Level VIL – 0 – 0.6 V “High” Level VOH – 2.4 – – V “Low” Level VOL – – – 0.4 V Input Voltage Output Voltage Absolute Maximum Ratings Item Symbol Rating Unit Supply Voltage VDD 7.0 V Input Voltage VIN 0 ≤ VIN ≤ VDD V LED Forward Current IF 960 mA LED Reverse Voltage VR 8 V LED Power Dissipation PD 4160 mW Operating Temperature Top 0 to +50 °C Storage Temperature Tstg –20 to +70 °C 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 • [email protected] • www.purdyelectronics.com 7/20/07 AND791GST/GST-LED Intelligent Character Display Connector Pin Assignment Power Supply Block Diagram Pin No. Signal 1 DB7 Data Bit 7 2 DB6 Data Bit 6 3 DB5 Data Bit 5 4 DB4 Data Bit 4 5 DB3 Data Bit 3 6 DB2 Data Bit 2 7 DB1 Data Bit 1 8 DB0 Data Bit 0 9 E1 Enable IC1 10 R/W Read/Write 11 RS Register Select 12 VO Contrast Adjustment 13 VSS 0V 14 VDD 5V 15 E2 Enable IC2 16 NC No Control Function Dimensional Outline 7/20/07 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 2 AND791GST/GST-LED Intelligent Character Display 3 Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com 7/20/07