UPD7225 Datasheet, PDF (42/52 Pages) NEC – PROGRAMMABLE LCD CONTROLLER/DRIVER

Typical Characteristic Curve (Ta = 25 °C)
External resistor and oscillation frequency
CL2 CL1
VDD = 5 V
200
R
100
50
VDD = 3 V
100
200
500
External resistor R (k ohms)
Power supply voltage and operating current
CL2 CL1
External clock _{fC = 200 kHz}
100
fC = 140 kHz
50
µPD7225
Power supply voltage and oscillation frequency
CL2 CL1
140
R
R = 180 kΩ
120
100
80
3
4
5
6
Power supply voltage VDD (V)
20
3
4
5
6
Power supply voltage VDD (V)
42
Data Sheet S14308EJ6V0DS00