ST7920-0C View Datasheet(PDF) - Sitronix Technology Co., Ltd.

Part Name

Description

MFG CO.

ST7920-0C

Chinese Fonts built in LCD controller/driver

Sitronix Technology Co., Ltd. 

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ST7920

AC Characteristics (TA = -30℃ ~ 85℃, VDD = 4.5V) Serial Mode Interface

Symbol Characteristics

Test Condition

Min.

Internal Clock Operation

fOSC

OSC Frequency

R = 33KΩ

470

External Clock Operation

fEX

External Frequency

-

470

TR,TF

Duty Cycle

Rise/Fall Time

-

45

-

-

TSCYC Serial clock cycle

Pin E

400

TSHW

SCLK high pulse

width

Pin E

200

TSLW SCLK low pulse width

Pin E

200

TSDS SID data setup time

Pins RW

40

TSDH SID data hold time

Pins RW

40

TCSS

CS setup time

Pins RS

60

TCSH

CS hold time

Pins RS

60

Typ.

530

530

50

-

-

-

-

-

-

-

-

Max.

590

590

55

0.2

-

-

-

-

-

-

-

Unit

KHz

KHz

%

µs

ns

ns

ns

ns

ns

ns

ns

AC Characteristics (TA = -30℃ ~ 85℃, VDD = 2.7V) Serial Mode Interface

Symbol Characteristics

Test Condition

Min.

Internal Clock Operation

fOSC

OSC Frequency

R = 18KΩ

470

External Clock Operation

fEX

External Frequency

-

470

TR,TF

Duty Cycle

Rise/Fall Time

-

45

-

-

TSCYC

TSHW

Serial clock cycle

SCLK high pulse

width

Pin E

600

Pin E

300

TSLW SCLK low pulse width

Pin E

300

TSDS SID data setup time

Pins RW

40

TSDH SID data hold time

Pins RW

40

TCSS

CS setup time

Pins RS

60

TCSH

CS hold time

Pins RS

60

Typ.

530

530

50

-

-

-

-

-

-

-

-

Max.

590

590

55

0.2

-

-

-

-

-

-

-

Unit

KHz

KHz

%

µs

ns

ns

ns

ns

ns

ns

ns

V4.0

43/49

2008/08/18

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