W91331N Ver la hoja de datos (PDF) - Winbond

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Fabricante

W91331N

TONE/PULSE DIALER WITH HANDFREE LOCK AND KEY TONE FUNCTIONS

Winbond 

W91330N SERIES

3. Flash key cannot be stored as a digit in memory. The flash key has the first priority among

the keyboard functions.

4. The system will return to the initial state after the flash pause time is finished.

5. The flash function timing diagram is shown in Figure 7.

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

DC Supply Voltage

VDD−VSS

-0.3 to +7.0

V

Input/Output Voltage

VIL

VSS −0.3

V

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

Operating Current

Standby Current

Memory Retention

Current

DTMF Output Voltage

Pre-emphasis

DTMF Distortion

VDD

IOP

ISB

IMR

VTO

THD

-

Tone, Unloaded

Pulse, Unloaded

HKS = VSS, No load

& No key entry

HKS = VDD,

VDD = 1.0V

Row group,

RL = 5 KΩ

Col/Row,

VDD = 2.0 to 5.5V

RL = 5 KΩ,

VDD = 2.0 to 5.5V

MIN.

2.0

-

-

-

TYP.

-

0.4

0.2

-

MAX.

5.5

0.6

0.4

15

UNIT

V

mA

µA

-

-

0.2

µA

130 150 170 mVrms

1

2

3

dB

-

-30 -23

dB

-8-

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