HT16525 datasheet(5/23 Pages) HOLTEK

5 / 23 page

Rev. 1.00

January 18, 2012

HT16525

D.C. Characteristics

VH=50V, VSS=0V, Ta=-40°C ~ 85°C

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

VDD

Condition

VDD

Logic Supply Voltage

—

2.7

5.0

5.5

VFD Supply Voltage

—

IDD1

VDD Operating Current

5V fOSC=2MHz, no load, Duty=15/16,

Digit=1 to 24, All output lights

ON, MCU no write data or

command, P2 and P1=high

—

IDD2

VDD Operating Current

5V fOSC=2MHz, no load, Duty=15/16,

Digit=1 to 24, Stop scan, MCU

no write data or command, P2

and P1=high

—

ISTB

VDD Standby Current

Standby mode

—

μA

—

IH1

VH Operating Current

—

fOSC=2MHz, no load, Duty=15/16,

Digit=1 to 24, All output lights

ON, MCU no write data or

command, P2 and P1=high

—

IH2

VH Operating Current

—

fOSC=2MHz, no load, Duty=15/16,

Digit=1 to 24, Stop scan, MCU

no write data or command, P2

and P1=high

—

μA

IH_STB

VH Standby Current

—

Standby mode

—

μA

VIH

High Level Input Voltage

CS, SCK, SI, RST

0.8VDD

—

VIL

Low Level Input Voltage

CS, SCK, SI, RST

—

0.2VDD

IIH

High Level Input Current

VIH=VDD, CS, SCK, SI, RST

—

μA

IIL

Low Level Input Current

VIL=0V, CS, SCK, SI, RST

-1

—

μA

VOH1

High Level Output Voltage

G1~G24, IOH1=-15mA

—

VOH2

AD1, AD2, IOH2=-7mA

—

VOH3

S1~S40, IOH3=-1mA

—

VOH4

P1, P2

IOH4=-2mA

0.9VDD

—

IOH4=-1mA

0.9VDD

—

VOL1

Low Level Output Voltage

G1~G24, IOL1=1mA

—

VOL2

AD1, AD2, IOL2=1mA

—

VOL3

S1~S40, IOL3=1mA

—

VOL4

P1, P2

IOL4=20mA

—

IOL4=10mA

—

RPD

Pull Down Resistor

TEST Pin

—

100

—

100

200

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