HT46C24 datasheet(4/51 Pages) HOLTEK

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Absolute Maximum Ratings

Supply Voltage ...........................VSS

-0.3V to VSS+6.0V

Storage Temperature ............................

-50°Cto125°C

Input Voltage..............................VSS

-0.3V to VDD+0.3V

Operating Temperature...........................

-40°Cto85°C

Note: These are stress ratings only. Stresses exceeding the range specified under

²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

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,

TMR0, TMR1 and INT

¾¾

0.3VDD

VIH1

Input High Voltage for I/O Ports,

TMR0, TMR1 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 Voltage

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

-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

HT46R24/HT46C24

Rev. 2.00

March 2, 2006

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