HT48R10A datasheet(4/42 Pages) HOLTEK

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Absolute Maximum Ratings

Supply Voltage ...............VSS-0.3V to VSS+5.5V

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 "Absolute Maxi-

mum Ratings" 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 expo-

sure to extreme conditions may affect device reliability.

D.C. Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max. Unit

VDD

Conditions

VDD1

Operating Voltage

¾ fSYS=4MHz

3.3

5.5

VDD2

Operating Voltage

¾ fSYS=8MHz

4.5

5.5

IDD1

Operating Current

(Crystal OSC)

3.3V

No load, fSYS=4MHz

IDD2

Operating Current

(RC OSC)

3.3V

No load, fSYS=4MHz

IDD3

Operating Current

(Crystal OSC)

5V No load, =8MHz

ISTB1

Standby Current

(WDT Enabled RTC Off)

3.3V

No load, system HALT

¾¾

ISTB2

Standby Current

(WDT Disabled RTC Off)

3.3V

No load, system HALT

¾¾

ISTB3

Standby Current

(WDT Disabled, RTC On)

3.3V

No load, system HALT

¾¾

VIL1

Input Low Voltage for

I/O Ports

¾¾

0.3VDD

VIH1

Input High Voltage for

I/O Ports

¾¾

0.7

VDD

VIL2

Input Low Voltage

(RES)

¾¾

0.4VDD

VIH2

Input High Voltage

(RES)

¾¾

0.9VDD

VDD

IOL

I/O Port Sink Current

3.3V VOL=0.1VDD

5V VOL=0.1VDD

HT48R10A-1

Rev. 1.20

July 2, 2001

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