HT16L21 datasheet(6/36 Pages) HOLTEK

6 / 36 page

Rev. 1.00

November 16, 2011

HT16L21

D.C. Characteristics

VSS=0V; VDD=1.8V to 5.5V; Ta=-40~85°C

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VDD

Condition

VDD

Operating Voltage

—

1.8

—

5.5

VLCD

LCD Operating Voltage —

—

2.4

—

6.0

VIH

Input High Voltage

— CSB, CLK, DIO, RSTB

0.7VDD

—

VDD

VIL

Input Low Voltage

— CSB, CLK, DIO, RSTB

—

0.3VDD

IIL

Input Leakage Current

— VIN=VSS or VDD

-1

—

μA

IOH

High Level Output

Current

2.0V

VOH=0.9VDD for DIO pin

-2

—

3.3V

-6

—

5.0V

-12

—

IOL

Low Level Output

Current

2.0V

VOL=0.4V for SDA/DIO pin

—

3.3V

—

5.0V

—

IDD

Operating Current

2.0V No load, fLCD=64Hz, 1/3bias, LCD

display on, Internal system oscillator

on, VLCD pin input voltage=5V, disable

integrated regulator

—

2.5

μA

3.3V

—

μA

5.0V

—

μA

ILCD1

Operating Current

2.0V

No load, fLCD=64Hz, 1/3bias, LCD

display on, Internal system oscillator

on, VLCD pin input voltage=5V, disable

integrated regulator

—

μA

ILCD2

Operating Current

2.0V

No load, fLCD=64Hz, 1/3bias, LCD

display on, Internal system oscillator on,

VLCD pin input voltage=5.5V, regulator

output is set to 5V

—

μA

ISTB1

Standby Current for VDD

3.3V No load, 1/3bias, LCD display off,

internal system oscillator off

—

μA

5.0V VLCD pin input voltage =5V,

disable integrated regulator

—

μA

ISTB2

Standby Current for

VLCD

3.3V No load, 1/3bias, LCD display off,

internal system oscillator off

—

μA

5.0V VLCD pin input voltage =5V,

disable integrated regulator

—

μA

Vreg

Regulator Output

—

VLCD pin input voltage=5.5V, regulator

output is set to 4.5V, Ta=-40°C~85°C

4.35

4.5

4.65

VLCD pin input voltage=5.5V, regulator

output is set to 4.5V, Ta=25°C

4.42

4.5

4.58

IOL1

LCD Common Sink

Current

—

VLCD=3.3V, VOL=0.33V,

disable integrated regulator

250

400

—

μA

VLCD=5V, VOL=0.5V,

disable integrated regulator

500

800

—

μA

IOH1

LCD Common Source

Current

—

VLCD=3.3V, VOH=2.97V,

disable integrated regulator

-140

-230

—

μA

VLCD=5V, VOH=4.5V,

disable integrated regulator

-300

-500

—

μA

IOL2

LCD Segment Sink

Current

—

VLCD=3.3V, VOL=0.33V,

disable integrated regulator

250

400

—

μA

VLCD=5V, VOL=0.5V,

disable integrated regulator

500

800

—

μA

IOH2

LCD Segment Source

Current

—

VLCD=3.3V, VOH=2.97V,

disable integrated regulator

-140

-230

—

μA

VLCD=5V, VOH=4.5V,

disable integrated regulator

-300

-500

—

μA

HT16L21 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc

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