HT819D1 查看數據表（PDF） - Holtek Semiconductor

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HT819D1

4.2 Second LOG-PCM Speech

Holtek Semiconductor 

HT819D0

Pin No.

6~11

14

15

16

Pin Name I/O

KEY1~KEY6 I

VDD

I

AUD

O

OSC2

O

Internal

Connection

Pull-High

—

PMOS

Open Drain

—

Description

Trigger key, low active. Key features such as

debounce time, pull-high resistance and repeat

are all by mask option.

Positive power supply

Voice output for driving an external transistor

Oscillator output pin

Absolute Maximum Ratings*

Supply Voltage ............................... –0.3V to 6V

Input Voltage ............... VSS–0.3V to VDD+0.3V

Storage Temperature ............... –50°C to 125°C

Operating Temperature ............. –20°C to 70°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

exposure to extreme conditions may affect device reliability.

Electrical Characteristics

Symbol

Parameter

VDD

IDD

ISTB

IO

IOL

VIH

VIL

fOSC

Operating Voltage

Operating Current

Standby Current

Max. AUD Output Current

FLAG Sink Current

“H” Input Voltage

“L” Input Voltage

Oscillating Frequency

Test Conditions

VDD Conditions

—

—

3V

No load,

fOSC=96kHz

3V

—

3V VOH=0.6V

3V VOL=0.3V

—

—

—

—

3V ROSC=530kΩ

(Ta=25°C)

Min. Typ. Max. Unit

2.4

—

5.0

V

—

200

400

µA

—

1

3

µA

–1.5

–2

—

mA

1.5

3.0

—

mA

0.8VDD —

VDD

V

0

— 0.2VDD V

76

96

116 kHz

3

6th May ’98

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