Absolute Maximum Ratings*

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

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

Operating Temperature............... –20

*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

Ta=25

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

—

—

2

—

5.5

V

Operating Current

—

240

2500

5.0V

—

950

3000

“Low” Input Voltage

—

—

VSS

—

V

“High” Input Voltage

—

—

V

Standby Current

No load

——

1

5.0V

—

—

2

Pull-high Resistance

2.5V

120

180

270

k

Ω

5.0V

45

68

100

DTMF Output Delay

Time (Parallel Mode)

5V

—

—

ms

DTMF Output DC

Level

2V~

5.5V

DTMF Output

—

V

DTMF Sink Current

–0.1

—

—

mA

DTMF Output AC

Level

Ω

0.12

0.15

0.18

Vrms

Column Pre-emphasis

2.5V Row group=0dB

1

2

3

dB

DTMF Output Load

5

—

—

k

Ω

Tone Signal

Distortion

Ω

—–30

–23

dB

Clock Input Rate

(Serial Mode)

—

—

—

100

500

kHz

Oscillator Starting

Time (When CE is low)

5.0V

The time from CE

falling edge to normal

oscillator operation

——

10

ms

System Frequency

—

Crystal=3.5795MHz

3.5759

3.5795

3.5831

MHz

HT9200A/B

4

21st Aug ’98