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LCD Driver IC
PT6554
APPLICATION CIRCUIT 1
Notes: 1. A capacitor must be added to the power line so that both the power supply voltage
(VDD) rise time when power is applied and the power supply voltage (VDD) fall time
when power drops are at least 1 ms.
2.
DO is an open - drain output and requires a pull-high resistor between 1kΩ to 10kΩ.
The pull-up resistor value must be appropriate to the capacitor of the external wiring so
that the signal wave forms are not degraded.
PT6554 v1.1
- 3 -
April, 2004
PTC [ PRINCETON TECHNOLOGY CORP ]
