HT47C20 datasheet(7/56 Pages) HOLTEK

7 / 56 page

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDD

Conditions

ISTB6

Standby Current

(A/D On, *R=5kW, *f=500kHz) 3V No load, system Halt

600 1200 mA

VIL1

Input Low Voltage for I/O

Ports

0.9

VIH1

Input High Voltage for I/O

Ports

2.1

VIL2

Input Low Voltage (RES)3V 0.5VDD

1.5

VIL3

Input Low Voltage (INT, TMR) 3V 0.3VDD

0.9

VIH2

Input High Voltage

(RES, INT, TMR)

3V 0.8VDD

2.4

IOL

I/O Port Sink Current

3V VOL=0.3V

3.5

IOH

I/O Port Source Current

3V VOH=2.7V

-1

-1.5

IOL1

Common 0~3 Output Sink

Current

3V VOL=0.3V (1/2 bias)

100

¾mA

IOH1

Common 0~3 Output Source

Current

3V VOH=2.7V (1/2 bias)

-50 -100

¾mA

IOL2

Segment 0~19 Output Sink

Current

3V VOL=0.3V (1/2 bias)

¾mA

IOH2

Segment 0~19 Output Source

Current

3V VOH=2.7V (1/2 bias)

-15 -30

¾mA

IOL3

Common 0~3 Output Sink

Current

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

100 180

¾mA

IOH3

Common 0~3 Output Source

Current

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

-100 -180

¾mA

IOL4

Segment 0~19 Output Sink

Current

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

¾mA

IOH4

Segment 0~19 Output Source

Current

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

-20 -40

¾mA

IOL5

RC Oscillation Output Sink

Current

3V VOL=0.3V

510

IOH5

RC Oscillation Output Source

Current

3V VOH=2.7V

-5

-10

RPH

Pull-high Resistance of I/O

Ports and INT

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

*f means the frequency of RC type A/D converter

HT47C20

January 18, 2000

HT47C20 датащи(PDF) 7 Page - Holtek Semiconductor Inc

HT47C20 датащи(HTML) 7 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

датащи скачать

ссылки URL