W91442N 查看數據表（PDF） - Winbond

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W91442N

10-MEMORY TONE/PULSE DIALER WITH SAVE FUNCTION

Winbond 

W91440N SERIES

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

DC Supply Voltage

VDD−VSS

-0.3 to +7.0

V

VIL

VSS −0.3

V

Input/Output Voltage

VIH

VDD +0.3

V

VOL

VSS −0.3

V

VOH

VDD +0.3

V

Power Dissipation

PD

120

mW

Operation Temperature

TOPR

-20 to +70

°C

Storage Temperature

TSTG

-55 to +150

°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the

device.

DC CHARACTERISTICS

(VDD−VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded)

PARAMETER

SYMBOL

CONDITIONS

Operating Voltage

VDD

-

Operating Current

IOP

Tone, Unloaded

Pulse, Unloaded

Standby Current

ISB

HKS = VSS, No load &

No key entry

Memory Retention

Current

IMR

HKS = VDD,

VDD = 1.0V

DTMF Output Voltage

VTO

Row group,

RL = 5 KΩ

Pre-emphasis

Col/Row,

VDD = 2.0 to 5.5V

DTMF Distortion

THD

RL = 5 KΩ,

VDD = 2.0 to 5.5V

DTMF Output DC Level

VTDC

RL = 5 KΩ,

VDD = 2.0 to 5.5V

DTMF Output Sink

Current

ITL

VTO = 0.5V

MIN.

2.0

-

-

-

TYP.

-

0.4

0.2

-

MAX.

5.5

0.60

0.40

15

-

-

0.2

130 150 170

1

2

3

-

-30 -23

1.0

-

3.0

0.2

-

-

UNIT

V

mA

µA

µA

mVrms

dB

dB

V

mA

Publication Release Date: May 1997

-7-

Revision A3

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