Pin No. Pin Name I/O

Internal

Connection

Description

20~17

PA0~PA3

I

Wake-up

Pull-high

Trigger inputs

Can also be configured as wake-up inputs

21, 22

VSS

¾¾

Negative power supply, ground

23

OSC

I

¾

Built-in RC oscillator

An oscillator resistor is connected between OSC and

VSS

Absolute Maximum Ratings

Supply Voltage.................................-0.3V to 6V

Storage Temperature.................-50°Cto125°C

Operating Temperature ..............-20°Cto70°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-

mum 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 expo-

sure to extreme conditions may affect device reliability.

Electrical Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

Conditions

Operating Voltage

¾¾

2.4

¾

5.2

V

Standby Current

3V

No load, system HALT

¾

13

mA

Operating Current

3V

¾

58

mA

PB0~PB7 Sink Current

3V

46

¾

mA

Max. AUD1 and AUD2

Output Current

3V

-1.5

-2

¾

mA

System Frequency

3V

3.6

4.0

4.4

MHz

HT84XXX

10

April 26, 2000