TG12232
DESCRIPTION
Ground Power supply for LCD Read/Write enable signal
+5V Power supply
H/L Reset signal H/L (slave) H/L Read/Write select signal H/L H/L Select display dat or instruction Data bus LED(5V) LED(0)
Absolute Maximum Ratings
Item Symbol Condition
Standard Value min Supply Voltage for Logic VDD-VSS Supply Voltage for LCD Input Voltage max unit V V V
9-16 17 18
0 Ta=25℃ 0
7.0 5.0
VDD-VEE V1
VSS-0.3 VDD-0.3
ELECTRICAL CHARACTERISTICS Item
Supply Voltage for Logic Supply Voltage for LCD Input high Voltage Input low Voltage Supply Current for Logic Supply Currrent for LCD With B/L Drive method
Power supply Standard value Unit
Symbol Condition
VDD-VSS
- min. typ. max.
4.5 5.0 5.5
VDD-V0
- 4.5
- 0.8VDD
- VDD
Block diagram
- VSS
- 0.2VDD
-IOH=0.2m A
- 3
- m A
VOL ILED
IOL=1.2m A VDD=5.0V 1/32Duty
- 2 40 1/6Bias
- m A m...