HT47C20L datasheet(7/55 Pages) HOLTEK

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Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

VIL1

Input Low Voltage (RES)

1.5V 0.5VDD

0.75

VIL2

Input Low Voltage

(INT, TMR)

1.5V 0.3VDD

0.45

VIH1

Input High Voltage

(RES, INT, TMR)

1.5V 0.8VDD

1.2

1.5

IOL

I/O Port Sink Current

1.5V VOL=0.15V

0.3

0.6

IOH

I/O Port Source Current

1.5V VOH=1.35V

-0.2 -0.4

IOL1

Common 0~3 Output Sink

Current

1.5V VOL=0.3V (1/2 bias)

120 230

¾mA

IOH1

Common 0~3 Output Source

Current

1.5V VOH=2.7V (1/2 bias)

-50 -100

¾mA

IOL2

Segment 0~19 Output Sink

Current

1.5V VOL=0.3V (1/2 bias)

¾mA

IOH2

Segment 0~19 Output Source

Current

1.5V VOH=2.7V (1/2 bias)

-20 -30

¾mA

IOL3

Common 0~3 Output Sink

Current

1.5V VOL=0.45V (1/3 bias)

120 220

¾mA

IOH3

Common 0~3 Output Source

Current

1.5V VOH=4.05V (1/3 bias)

-50 -100

¾mA

IOL4

Segment 0~19 Output Sink

Current

1.5V VOL=0.45V (1/3 bias)

¾mA

IOH4

Segment 0~19 Output Source

Current

1.5V VOH=4.05V (1/3 bias)

-20 -30

¾mA

IOL5

RC oscillation Output Sink

Current

1.5V VOL=0.15V

2.7

IOH5

RC oscillation Output Source

Current

1.5V VOH=1.35V

-2

-3.1

RPH1

Pull-high Resistance of I/O

Ports and INT

1.5V

100 150

200

RPH2

Pull-high Resistance of TEST 1.5V

Note: *R means the resistance of RC type A/D converter

*C means the capacitance of RC type A/D converter

HT47C20L

January 18, 2000

HT47C20L Datasheet(PDF) 7 Page - Holtek Semiconductor Inc

HT47C20L Datasheet(HTML) 7 Page - Holtek Semiconductor Inc

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