Absolute Maximum Ratings

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

-50°Cto125°C

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

Conditions

Operating Voltage

¾

2.2

¾

5.5

V

3.3

¾

5.5

V

¾¾¾

V

Operating Current (RC OSC)

3V

¾

1.2

2

mA

5V

¾

2.5

5

mA

Operating Current (RC OSC)

5V

¾

48

mA

Operating Current

(RTC OSC, RC OSC Off)

3V

¾

0.3

0.6

mA

5V

¾

0.6

1

mA

Standby Current

(WDT and RTC OSC Enabled)

3V

No load, system HALT

¾¾

5

mA

5V

¾¾

10

mA

Standby Current (WDT Disabled,

RTC OSC Enabled)

3V

No load, system HALT

¾

0.8

1.5

mA

5V

¾

1.5

2.5

mA

Input Low Voltage for I/O Ports

¾¾

0

¾

V

Input High Voltage for I/O Ports

¾¾

¾

V

Input Low Voltage (RES)

¾¾

0

¾

V

Input High Voltage (RES)

¾¾

¾

V

Low Voltage Reset

¾ 3.3V option

2.7

3

3.3

V

I/O Port Sink Current

3V

48

¾

mA

5V

10

20

¾

mA

I/O Port Source Current

3V

-2

-4

¾

mA

5V

-5

-10

¾

mA

Pull-high Resistance

3V

¾

20

60

100

k

W

5V

10

30

50

k

W

HT48R52/HT48R53

Rev. 1.20

4

December 6, 2005