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HD66712 Datasheet, PDF (75/88 Pages) Hitachi Semiconductor – Dot-Matrix Liquid Crystal Display Controller/Driver | |||
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HD66712U
Booster Characteristics
Item
Symbol Min
Typ Max Unit Test Condition
Notes*
Output voltage VUP2 7.5
8.7
â
V
(V5OUT2 pin)
Vci = 4.5V, I0 = 0.25 mA,
C = 1 µF, fOSC = 270 kHz
Ta = 25°C
Output voltage VUP3 7.0
7.7
â
V
(V5OUT3 pin)
Vci = 2.7V, I0 = 0.25 mA,
C = 1 µF, fOSC = 270 kHz
Ta = 25°C
Input voltage
VCi
1.0
â
5.0
V
Vci ⤠VCC
Ta = 25°C
Note: * Refer to Electrical Characteristics Notes following these tables.
18, 19
18, 19
18, 19
AC Characteristics (V = 2.7V to 5.5V, T = â20 to +75°C*3)
CC
a
Clock Characteristics (VCC = 2.7V to 5.5V, Ta = â20 to +75°C*3)
Item
Symbol Min Typ Max Unit Test Condition Notes*
External External clock frequency
clock
External clock duty
operation
External clock rise time
fcp
Duty
trcp
125 270 410 kHz
45 50 55 %
â â 0.2 µs
External clock fall time
trcp
â â 0.2 µs
Rf
Clock oscillation frequency fOSC
oscillation
190 270 350 kHz Rf = 130 kâ¦,
VCC = 5V
Note: * Refer to the Electrical Characteristics Notes section following these tables.
11
HD66712U
12
438
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