scn6400g Avant Electronics Corporation, scn6400g Datasheet - Page 16

• Manufacturer Part Number: scn6400g
• Description: 64-common Dot-matrix Stn Lcd Driver
• Manufacturer: Avant Electronics Corporation

13 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 04
Avant Electronics
Signal
VEE
VDD
0V
5V
EE
0~50 ms
).
0 second
(minimum)
-30V
1 second (minimum)
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64-Common Dot-matrix STN LCD Driver
(minimum)
0 second
Fig.10 Recommended power up/down sequence
0~50 ms
1 second (minimum)
SCN6400G
data sheet (v3)