HT16K23 datasheet(6/30 Pages) HOLTEK

6 / 30 page

Rev. 1.10

July 01, 2011

HT16K23

D.C. Characteristics

VDD =2.4~5.5V; Ta=25°C (Unless otherwise specified)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

VDD

Condition

VDD

Operating Voltage

—

2.4

—

5.5

IDD1

Operating Current

3V No load, LCD ON ,

20*4 display mode

—

155

310

μA

—

260

420

μA

IDD2

Operating Current

3V No load, LCD OFF ,

20*4 display mode

—

μA

—

μA

ISTB

Standby Current

No load, standby mode

—

μA

—

μA

VIL

Input Low Voltage

— SDA, SCL

—

0.3VDD

VIH

Input High Voltage

— SDA, SCL

0.7VDD

—

VDD

IIL

Input leakage current

— VIN = VSS or VDD

-1

—

μA

IOL

Low level output current

VOL=0.4V, SDA

—

IOL1

LCD Common Sink

Current

3V VOL=0.3V

160

—

μA

5V VOL=0.5V

180

360

—

μA

IOH1

LCD Common Source

Current

3V VOH=2.7V

-80

-120

—

μA

5V VOH=4.5V

-120

-200

—

μA

IOL2

LCD Segment Sink

Current

3V VOL=0.3V

120

—

μA

5V VOL=0.5V

120

200

—

μA

IOH2

LCD Segment Source

Current

3V VOH=2.7V

-40

-70

—

μA

5V VOH=4.5V

-70

-140

—

μA

IOL3

INT Sink Current

3V VOL=0.3V

—

5V VOL=0.5V

—

IOH3

INT Source Current

3V VOH=2.7V

-1

—

5V VOH=4.5V

-2

—

RPL

Input pull-low Resistance

3V SEG0/K0~SEG19/K19,

during keyscan period

220

400

600

KΩ

220

400

600

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