sdn0080g Avant Electronics Corporation, sdn0080g Datasheet - Page 15

• Manufacturer Part Number: sdn0080g
• Description: 80-segment Dot-matrix Stn Lcd Driver
• Manufacturer: Avant Electronics Corporation

12 APPLICATION NOTES
1. It is recommended that the following power-up sequence be followed to ensure reliable operation of your display
system. As the ICs are fabricated in CMOS and there is intrinsic latch-up problem associated with any CMOS devices,
proper power-up sequence can reduce the danger of triggering latch-up. When powering up the system, control logic
power must be powered on first. When powering down the system, control logic must be shut off later than or at the same
time with the LCD bias (V
2005 Oct 03
Avant Electronics
Signal
V
VDD
EE
0V
5V
EE
0~50 ms
).
0 second
(minimum)
-30V
1 second (minimum)
15 of 18
80-Segment Dot-matrix STN LCD Driver
(minimum)
0 second
Fig.10 Recommended power up/down sequence
0~50 ms
1 second (minimum)
SDN0080G
data sheet (v3)