AND3222MST
Intelligent Graphics Display
80 Series Timing Diagram
Power Supply
LCD panel is driven by the voltage VDD–VEE, so adjustable
VEE is required for contrast control and temperature
compensation
Temperature Variations
VDD – VEE
24.0
Temperature
0°C
+25°C
23.0
+50°C
22.0
68 Series Timing Diagram
Timing Relationships and Diagram
Signal Timing Relationships
Item
Symbol
Min.
100
10
Max.
Unit
tCYC
System Cycle Time
C/D Hold Time
–
–
tCDH
CE, RD, WR
Pulse Width
tCEtRD,tWR
220
–
ns
tDS
tDH
tACC
tOH
Data Set Up Time
Data Hold Time
Access Time
120
10
–
–
–
120
50
Output Hold Time
10
Dimensional Outline
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94086
Tel:408.523.8200 • Fax:408.733.1287 • email@purdyelectronics.com • www.purdyelectronics.com
7/8/98
3-31
PURDY [ PURDY ELECTRONICS CORPORATION ]
