AND491GST 2 lines x 16 Characters Intelligent Character Display The AND491GST 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. RoHS Compliant Absolute Maximum Ratings Features AND491GST: Super Twist Technologyt Item Symbol Rating Unit 5 x 7 Dots with cursor V Supply Voltage 7.0 V DD Built-in controller (KS0066 or equivalent) 5 V Power supply Input Voltage V 0 V V V IN IN DD RoHS compliant T Operating Temperature 0 to +50 C op 4.2V LED Forward voltage Storage Temperature T 20 to +60 C stg Dot Matrix Dimensions Electrical Characteristics (TA = 25C) Item Symbol Min. Typ. Max. Unit LCD Operating Voltage 4.8 (T= 0 C) LCD Operating Voltage V -V 4.5 V DD O (T= 25 C) LCD Operating Voltage 4.2 (T= 50 C) Supply Voltage V - V 4.7 5 5.3 V DD SS I Supply Current 2 4 mA DD Input Voltage High Level V 2.2 V IH DD Mechanical Characteristics V V Input Voltage Low Level 0 0.6 IL Item Specication Unit Output Voltage High Level V 2.4 OH Outline 80 (W) x 36 (H) x 8.8(D) (12.7 LED) mm V Dimensions V Output Voltage Low Level 0.4 OL Character size 2.96 (W) x 5.56 (H) mm Viewing Area 65 (W) x 16(H) mm Optical Characteristics (TA 5 = 25C, = 0, = 0) Character Pitch 3.55 (W) x 5.94(H) mm Item Symbol Min. Typ. Max. Unit Dot Size 0.55 (W) x 0.66 (H) mm Viewing Angle 50 degree Dot Pitch 0.60 (W) x 0.70 (H) mm Contrast K 6.0 T Turn On 200 400 ms on Turn Off T 250 400 ms off Purdy Electronics Corporation 720 Palomar Avenue Sunnyvale, CA 94085 1 Tel: 408.523.8200 Fax: 408.733.1287 email purdyelectronics.com www.purdyelectronics.com 7/20/07 AND491GST Intelligent Character Display Connector Pin Assignment Power Supply Pin No. Signal Function The LCD panel is driven by the voltage V V , so you need DD O V 1 0V SS an adjustable V for contrast control and temperature O V 2 5V DD compensation. V 3 Contrast Adj. O Temperature Variations 4 RS Register Select V V Temperature DD O Read/Write 5 R/W 0C 4.80 6 E Enable +25C 4.50 7 DBO Data Bit 0 +50C 4.20 8 DB1 Data Bit 1 Power Supply Block Diagram 9 DB2 Data Bit 2 (+5V) 10 DB3 Data Bit 3 V DD 11 DB4 Data Bit 4 V V DD O 12 DB5 Data Bit 5 V O VR V DD 13 DB6 Data Bit 6 14 DB7 Data Bit 7 GND 15 A LED Power V V = LCD Drive Voltage DD O 16 K Led Power VR10 to 20 k Block Diagram Dimensional Outline Purdy Electronics Corporation 720 Palomar Avenue Sunnyvale, CA 94085 7/20/07 Tel: 408.523.8200 Fax: 408.733.1287 email purdyelectronics.com www.purdyelectronics.com 2