ML9092-01TB datasheet(37/66 Pages) OKI

Part #	ML9092-01TB

Description	LCD Driver with Key Scanner and RAM

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Manufacturer	OKI [OKI electronic componets]

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37 / 66 page

FEDL9092-01

OKI Semiconductor

ML9092-01/02/03/04

37/66

Power-On Reset

The capacitance of an external capacitor that is connected to the

RESET pin must be C

RST [µF] ≥ 12.5 × TR [s],

where TR is the rise time taken until the power supply voltage to be supplied to the ML9092-01/02/03/04 reaches

0.9VDD (4.5 V) from 0.1VDD, and CRST is the capacitance of an external capacitor connected to the RESET pin.

(For example, if TR = 10 [ms], then CRST ≥ 0.125 [µF])

The pulse width when an external reset signal is input should be TR or more.

Set an instruction at least 10

µs after the reset signal reaches 0.85V

DD or more.

Thereafter, this IC is accessible.

TR

0.1VDD

VDD

0.9VDD

(4.5 V)

Recommended power supply

voltage (5 V)

0.85VDD

RESET

10

µs or more

Accessible time

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