器件名称: HE245XX50
功能描述: 240 X 128 Dots
文件大小: 185.47KB 共1页
简 介:HE245XX50
1、EXTERNAL DIMENSION AND DISPLAY PATTERN
240 X 128 Dots
2、MECHANICAL DATA
ITEM
Module Size (W×H×T) Viewing Area (W×H) Number of Dots (W×H) Dot Pitch (W×H) Dot Size (W×H)
3、ELECTRICAL CHARACTERISTICS (Ta=25℃)
UNIT
mm mm dots mm mm
SPECIFICATION
144.0×104.0×13.8 114.0×64.0 240×128 0.45×0.45 0.4×0.4
ITEM
Supply Voltage (Logic) Supply Current (Logic) “HIGH” Input Voltage “LOW” “HIGH” Output Voltage “LOW” LCD Operating Voltage Supply Voltage LCD Drive
SYMBOL CONDITION
VDD - VSS IDD VIH VIL VOH VOL VDD - Vo Io VDD=5V IOH=3.0mA IOL=3.0mA VDD=5V, Ta=25℃
SPEC. VALUE
MIN. TYP. MAX.
UNIT V mA V V V V V mA
4.5 VDD - 2.2 0 VDD - 0.3 -
5.0 8.7 16.6 5.47
5.5 13.0 VDD 0.8 VDD 0.3 -
4、PIN CONFIGURATION
PIN
1 2 3 4 5 6 7 8 9 10 11
SYMBOL
VSS VDD Vo C/D /RD /WR DB0 DB1 DB2 DB3 DB4
SIGNAL DESCRIPTION
Ground Logic Voltage Operating Voltage for LCD (Variable) H : Instruction Code, L : Data Code Read Signal Write Signal Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4
PIN
12 13 14 15 16 17 18 19 20 21 22
SYMBOL
DB5 DB6 DB7 /CE /RES VEE MD2 FS1 NC A K
SIGNAL DESCRIPTION
Data Bit 5 Data Bit 6 Data Bit 7 Chip Enable Signal Reset Signal Supply Voltage for LCD Driver Number of Columns Select Signal Font Select (H : 6X8 Dots, L : 8X8)) No Connection Anode of LED Unit Cathode of LED Unit
5、BLOCK DIAGRAM
6、BACKLIGHTING CHARACTERISTICS (Ta=25℃) LED
ITEM Supply Voltage Power Consumption Luminous SYMBOL VLED PLED IV CONDITION IF=720mA IF=720mA MIN TYP 4.1 2950 190 MAX 4.5 UN……
