ST7920 datasheet(39/49 Pages) SITRONIX

Part #	ST7920

Description	Chinese Fonts built in LCD controller/driver

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	SITRONIX [Sitronix Technology Co., Ltd.]

Direct Link	http://www.sitronix.com.tw

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39 / 49 page

ST7920

V4.0

39/49

2008/08/18

DC Characteristics (TA = -30℃ ~ 85℃, VDD = 4.5 V - 5.5 V)

Symbol

Characteristics

Test Condition

Min.

Typ.

Max.

Unit

VDD

Operating Voltage

4.5

5.5

VLCD

LCD Voltage

V0-VSS

3.0

ICC

Power Supply Current

fOSC = 540KHz, VDD=5V

Rf=33KΩ

0.45

0.75

VIH1

Input High Voltage

(Except OSC1)

0.7VDD

VDD

VIL1

Input Low Voltage

(Except OSC1)

-0.3

0.6

VIH2

Input High Voltage

(OSC1)

VDD-1

VDD

VIL2

Input Low Voltage

(OSC1)

1.0

VOH1

Output High Voltage

(DB0 - DB7)

IOH = -0.1mA

0.8VDD

VDD

VOL1

Output Low Voltage

(DB0 - DB7)

IOL = 0.1mA

0.4

VOH2

Output High Voltage

(Except DB0 - DB7)

IOH = -0.04mA

0.8VDD

VDD

VOL2

Output Low Voltage

(Except DB0 - DB7)

IOL = 0.04mA

0.1VDD

ILEAK

Input Leakage

Current

VIN = 0V to VDD

-1

µA

IPUP

Pull Up MOS Current

VDD = 5V

µA

ST7920 Datasheet(PDF) 39 Page - Sitronix Technology Co., Ltd.

ST7920 Datasheet(HTML) 39 Page - Sitronix Technology Co., Ltd.

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