HD66421 Datasheet, PDF (43/46 Pages) Hitachi Semiconductor – (RAM-Provided 160 Channel 4-Level Grey Scale Driver for Dot Matrix Graphics LCD)

Preliminary
Rev. 1.1E '99.02.10
HD66421
Absolute Maximum Ratings
Item
Power supply Logic circuit
voltage
LCD drive circuit
Input voltage 1
Input voltage 2
Operating temperature
Storage temperature
Symbol
Vcc
VLCD
VT1
VT2
Topr
Tstg
Ratings
-0.3 to +7.0
-0.3 to +20.0
-0.3 to Vcc+0.3
-0.3 to VLCD+0.3
-40 to +85
-55 to +110
Unit
V
V
V
V
°C
°C
Notes
1
1, 2
1, 3
Notes: 1
2
3
4
.Measured relative to GND
Applies to pins M/S, OSC, OSC1, OSC2, DB7 to DB0, RD, WR, CS, RS, RES, CL1, M, FLM
Applies to pins V1O, V2O, V3O, V4O and V5O
If the LSI is used beyond its absolute maximum rating, it may be permanently damaged.
It should always be used within the limits of its electrical characteristics to prevent malfunction
or unreliability.
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