hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 85

• Manufacturer Part Number: hd66740
• Description: 112 X 80-dot Graphics Lcd Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

(iv) Relation between the obtained voltage and current
Load Circuits
AC Characteristics Test Load Circuits
VUP4 (V)
12.5
12.0
11.5
10.0
9.5
Vci = Vcc = 3.0 V, fosc = 86 kHz, Ta = 25 C
DCC = 0
0
50
Quadruple boosting
Io ( A)
100
Data bus: DB7 to DB0, SDA
Test Point
Figure 45
150
Figure 46
typ.
200
Load Circuit
Booster (cont)
85
VUP5 (V)
50 pF
15.5
15.0
14.5
14.0
13.5
Vci = Vcc = 3.0 V, fosc = 86 kHz, Ta = 25 C
DCC = 0
0
Five-times boosting
50
100
Io ( A)
HD66740
150
typ.
200