HT46R46 datasheet(4/42 Pages) HOLTEK

4 / 42 page

D.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VDD

Operating Voltage

fSYS=4MHz

2.2

5.5

fSYS=8MHz

3.3

5.5

IDD1

Operating Current

(Crystal OSC)

No load, fSYS=4MHz

ADC disable

0.6

1.5

IDD2

Operating Current

(RC OSC)

No load, fSYS=4MHz

ADC disable

0.8

1.5

2.5

IDD3

Operating Current

(Crystal OSC, RC OSC)

No load, fSYS=8MHz

ADC disable

ISTB1

Standby Current

(WDT Enabled)

No load,

system HALT

¾¾

ISTB2

Standby Current

(WDT Disabled)

No load,

system HALT

¾¾

VIL1

Input Low Voltage for I/O Ports,

TMR and INT

¾¾

0.3VDD

VIH1

Input High Voltage for I/O Ports,

TMR and INT

¾¾

0.7VDD

VDD

VIL2

Input Low Voltage (RES)

¾¾

0.4VDD

VIH2

Input High Voltage (RES)

¾¾

0.9VDD

VDD

VLVR

Low Voltage Reset

¾¾

2.7

3.3

IOL

I/O Port Sink Current

VOL=0.1VDD

IOH

I/O Port Source Current

VOH=0.9VDD

-2

-4

VOH=0.9VDD

-5

-10

RPH

Pull-high Resistance

100

VAD

A/D Input Voltage

¾¾

VDD

EAD

A/D Conversion Error

¾¾

±0.5

±1

LSB

IADC

Additional Power Consumption

if A/D Converter is Used

0.5

1.5

HT46R46/HT46C46/HT46R47/HT46C47

Rev. 1.00

December 28, 2004

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