NJU6624A 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6624A

12-CHARACTER 1-LINE DOT MATRIX LCD CONTROLLER DRIVER with SMOOTH SCROLL FUNCTION

Japan Radio Corporation  

-The Input Condition when using the Hardware Reset Circuit

tRSL

RESET

VIL

NJU6624A/B

PARAMETER

SYMBOL CONDITION MIN TYP MAX UNIT

Reset input "0" level width

tRSL fOSC=145kHz 1.2

-

-

ms

-Power Supply Condition when using the internal initialization circuit (Ta=25oC)

PARAMETER

SYMBOL CONDITION MIN TYP MAX UNIT

Power supply rise time

trDD

-

0.1

-

5

ms

Power supply OFF time

tOFF

-

1

-

-

ms

Since the internal initialization circuits will not operate normally unless the above conditions are met, in such a

case initialize by instruction. (Refer to initialization by the instruction)

VDD

trDD

0.2V

2.4V

0.1ms <= trDD <= 5ms

tOFF

0.2V

tOFF >= 1ms

0.2V

-Keyscan timing

PARAMETER

Keyscan time

Keyscan palse width

SYMBOL CONDITION MIN

trDD

-

-

tOFF

-

-

(fOSC=145kHz)

TYP MAX UNIT

221

-

us

27.6

-

us

S0

VLCD2/2

S1

VLCD2/2

tKP

S7

VLCD2/2

tKS

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