W91414A datasheet(7/12 Pages) WINBOND

Part #	W91414A

Description	TONE/PULSE DIALER WITH SAVE FUNCTION

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W91410 SERIES

Publication Release Date: January 1995

- 7 -

Revision A3

DC CHARACTERISTICS

(VDD

−VSS = 2.5V, Fosc. = 3.58 MHz, TA = 25

° C, all outputs unloaded)

PARAMETER

SYMBOL

CONDITIONS

MIN. TYP

.

MAX.

UNIT

Operating Voltage

VDD

2.0

-

5.5

V

Operating Current

IOP

Tone

-

0.3

0.5

mA

Pulse

-

0.15

0.3

mA

Standby Current

ISB

HKS = 0, No load,

& No key entry

-

15

µA

Memory Retention

Current

IMR

HKS = 1, VDD = 1.0V

-

0.2

µA

DTMF Output

Voltage

VTO

Row group, RL = 5 K

Ω

130

150

170

mVrms

Pre-emphasis

Col/Row, VDD = 2.0 to 5.5V

1

2

3

dB

DTMF Distortion

THD

RL = 5 K

Ω, VDD = 2.0 to 5.5V

-

-30

-23

dB

DTMF Output DC

Level

VTDC

RL = 5 K

Ω, VDD = 2.0 to 5.5V

1.0

-

3.0

V

DTMF Output Sink

Current

ITL

VTO = 0.5V

0.2

-

mA

DP Output Sink

Current

IPL

VPO = 0.5V

0.5

-

mA

T/P MUTE Output

Sink Current

IML

VMO = 0.5V

0.5

-

mA

HKS I/P Pull-high

Resistor

RKH

-

300

-

K

Ω

Keypad Input Drive

Current

IKD

VI = 0V

30

-

µA

Keypad Input Sink

Current

IKS

VI = 2.5V

200

400

-

µA

Keypad Resistance

-

5.0

K

Ω

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