Pad Description

Pad No.

Pad Name

I/O

Internal

Connection

Description

1

LED

O

Inverter Out

LED flash output

2

OSC3

O

—

Vibration oscillator output

3

VDD

—

—

Positive power supply

4

KEY6

I

Pull-Low

KEY6 input, high active

5

KEY5

I

Pull-Low

KEY5 input, high active

6

KEY4

I

Pull-Low

KEY4 input, high active

7

KEY3

I

Pull-Low

KEY3 input, high active

8

KEY2

I

Pull-Low

KEY2 input, high active

9

KEY1

I

Pull-Low

KEY1 input, high active

10

VSS

—

—

Negative power supply, GND

11

PWR

I

—

Power on reset

12

TEST2

I/O

—

For IC test only

13

TEST1

I/O

—

For IC test only

14

OUT

O

Inverter Out

Sound output, normally low at the standby state

15

OUT

O

Inverter Out

Sound output, out of phase to pad 14

16

OSC2

O

—

Oscillator output

17

OSC1

I

—

Oscillator input

18

TEST3

I/O

—

For IC test only

Absolute Maximum Ratings*

Supply Voltage ................................. –0.3V to 5V

Storage Temperature................. –50

Operating Temperature................... 0

*Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent

damageto the device. These are stress ratings only. Functional operation of this device at

these or any other conditions above those indicated in the operational sections of this

specification is not implied and exposure to absolute maximum rating conditions for extended

periods may affect device reliability.

HT2860

3

11th July ’97