HT16523 查看數據表（PDF） - Holtek Semiconductor

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HT16523

5x7 Dot Character VFD Controller & Driver

Holtek Semiconductor 

Reset and Wake-up Timing

Hardware Reset

VDD

RST

TRSON

TRSOFF

TPOF

TRW

SI

Symbol

Parameter

TRSON

Oscillator Stable Time

TPOF

VDD Off Time

TRW

RST Pulse Width

TRSOFF

SI Wait Time

Test Condition

VDD

Condition

5V RST signal is an external input

3V from a microcontroller etc.

5V

R2=1kΩ, C2=0.1μF

3V

5V

VDD drop down to 0V

3V

5V RST signal is an external input

3V from a microcontroller etc.

5V

—

3V

Wake-up Timing

TWU

TOS

HT16523

0.8VDD

0V

VIH

0.5VDD

VIL

VIH

VIL

Ta=-40oC ~ 85oC

Min. Typ. Max. Unit

250

—

—

ns

250

—

—

— 1000 —

μs

— 1000 —

40

—

—

μs

10

—

—

ms

400

—

—

ns

400

—

—

3

—

—

μs

3

—

—

CS

SCK

SI

Symbol

Parameter

VDD

5V

TWU

Wake-up Time

3V

5V

TOS

Oscillation Stable Time

3V

Test Condition

Condition

—

—

Ta=-40oC ~ 85oC

Min. Typ. Max. Unit

200

—

—

ns

1000 —

—

μs

Rev. 1.00

8

January 18, 2012

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