HT9B95 datasheet(8/32 Pages) HOLTEK

8 / 32 page

Rev. 1.10

November 25, 2015

HT9B95A/B/G

Power On Reset Timing

Ti me

V DD

V PO R

RR VD D

t PO R

Note:1.IftheconditionsofResettimingarenotsatisfiedinpowerON/OFFsequence,theinternalPoweron

Reset(POR)circuitwillnotoperatenormally.

2.Ifitisdifficulttomeetpoweronresettimingconditions,pleaseexecutesoftwareresetcommandafter

Poweron.

D.C. Characteristics

VSS = 0V; VDD =2.4V to 5.5V; Ta = -40°C to +85°C

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

VDD

Condition

VDD

Operating Voltage

—

2.4

—

5.5

VLCD

LCD Operating Voltage

—

2.5

—

5.5

VIH

Input High Voltage

—

SCL, SDA

0.7VDD —

VDD

VIL

Input Low Voltage

—

SCL, SDA

—

0.3VDD

IIL

Input Leakage Current

—

VIN=VSS or VDD

-1

—

μA

IOL

Low Level Output Current

3.3V

VOL=0.4V for SDA pin

—

5.0V

—

IDD

Operating Current

3.3V

VLCD=VDD, No load, Ta=25°C,

LCD display on, fLCD=80Hz,

1/4 bias, 1/8 duty, B type inversion,

Power save mode = Low Current2

mode

—

μA

5.0V

—

μA

ILCD

Operating Current

3.3V

VLCD=VDD, No load, Ta=25°C,

LCD display on, fLCD=80Hz,

1/4 bias, 1/8 duty, B type inversion,

Power save mode = Low Current2

mode

—

μA

5.0V

—

μA

ISTB

Standby Current

3.3V

VLCD=VDD, No load, Ta=25°C,

LCD display off, fLCD=80Hz,

1/4 bias, 1/8 duty, B type inversion,

Power save mode = Low Current2

mode

—

μA

5.0V

—

μA

IOL1

LCD Common Sink Current

—

VLCD=3.3V, VOL=0.33V

250

400

—

μA

VLCD=5V, VOL=0.5V

500

800

—

μA

IOH1

LCD Common Source Current

—

VLCD=3.3V, VOH=2.97V

-140 -230

—

μA

VLCD=5V, VOH=4.5V

-300 -500

—

μA

IOL2

LCD Segment Sink Current

—

VLCD=3.3V, VOL=0.33V

250

400

—

μA

VLCD=5V, VOL=0.5V

500

800

—

μA

IOH2

LCD Segment Source Current

—

VLCD=3.3V, VOH=2.97V

-140 -230

—

μA

VLCD=5V, VOH=4.5V

-300 -500

—

μA

A.C. Characteristics

VSS = 0V; VDD =2.4V to 5.5V; Ta= -40°C to +85 °C

HT9B95 Datasheet(PDF) 8 Page - Holtek Semiconductor Inc

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