MSM6562B 查看數據表（PDF） - Oki Electric Industry

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MSM6562B

DOT MATRIX LCD CONTROLLER DRIVER

Oki Electric Industry 

¡ Semiconductor

MSM6562B-xx

AC Characteristics

Parameter

Symbol

Condition

Min.

Rf clock oscillation

frequency

fOSC1

Rf = 120 kW ± 2%

(Note 1)

175

External clock frequency fIN

OSCR and OSC2 are open.

Input a pulse to OSC1.

125

(Note 4)

Typ.

270

—

Max.

350

Unit Applicable Pin

kHz

OSC1

OSC2

480 kHz

OSC1

External clock duty

fduty

(Note 2)

45

50

55

%

OSC1

External clock rise time

trf

(Note 3)

—

—

0.2 ms

OSC1

External clock fall time

tff

(Note 3)

—

—

0.2 ms

Built-in Rf clock

oscillation frequency

fOSC2

OSC1 is open. (Note 5)

Connect OSCR and OSC2.

140

280

480 kHz

OSC1

OSC1

OSCR

OSC2

(Note 1)

OSC1

OSCR

Rf

OSC2

Rf = 120kW ± 2%

Minimum wiring is required between OSC1 and Rf and

between OSC2 and Rf.

Leave OSCR open.

(Note 2)

VDD

2

fIN

waveform

tHW

VDD

2

tLW

VDD

2

Applies to the pulse to be

input to OSC1

(Note

fduty = tHW /(tHW + tLW) ¥ 100 (%)

3) Applies to the pulse to be input to OSC1.

VDD – 0.8V

0.8V

fIN

waveform

VDD – 0.8V

0.8V

Applies to the pulse to be

input to OSC1

trf

tff

(Note 4) See Note 4 to "DC Characteristics."

(Note 5) See Note 3 to "DC Characteristics."

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