W91521N Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91521N

TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS

Winbond 

W91520N SERIES

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

DTMF Output DC Level

DTMF Output Sink

Current

DP Output Sink Current

T/P MUTE Output Sink

Current

H/P MUTE Output

Drive/Sink Current

HFO Drive/Sink Current

Keypad Input Drive

Current

Keypad Input Sink

Current

HKS I/P Pull-high

Resistor

Keypad Resistance

VDD

IOP

ISB

IMR

VTO

THD

VTDC

ITL

IPL

ITML

-

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

RL = 5 KΩ,

VDD = 2.0 to 5.5V

VTO = 0.5V

VPO = 0.5V

VTMO = 0.5V

IHPH

IHPL

IHFH

IHFL

IKD

IKS

RHK

VHPH = 2.0V

VHPL = 0.5V

VHFH = 2.0V

VHFL = 0.5V

VI = 0.0V

VI = 2.5V

-

RK

-

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

1.0

-

3.0

V

0.2

-

-

mA

0.5

-

-

mA

0.5

-

-

mA

0.5

-

-

mA

0.5

-

-

mA

0.5

-

-

mA

0.5

-

-

mA

30

-

-

µA

200 400

-

µA

- 300

-

KΩ

-

-

5

KΩ

-8-

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