W91822N Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W91822N

13-MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS

Winbond 

W91820N SERIES

AC CHARACTERISTICS

PARAMETER

SYM.

CONDITIONS

MIN. TYP. MAX. UNIT

Key-in Debounce

Key Release Debounce

On-hook Debounce

TKID

TKRD

TOHD

-

-

Lock Mode

Unlock Mode

-

20

-

mS

-

20

-

mS

-

20

-

mS

-

150

-

mS

Pre-digit Pause1

TPDP1 Mode Pin = VDD

-

40

-

mS

10 ppS Mode Pin = Floating

-

33.3

-

mS

Pre-digit Pause2

TPDP2 Mode Pin = VDD

20 ppS Mode Pin = Floating

-

20

-

mS

-

16.7

-

mS

Inter Digit Pause

(Auto Dialing)

Interdigit Pause

TIDP 10 ppS

-

800

-

mS

(W91820N/W91820AN/820LN

/820ALN/824N/824AN only)

20 ppS

-

500

-

mS

(W91822N/822AN only)

TIDP 10 ppS

-

800

-

mS

(Auto dialing)

20 ppS

-

500

-

mS

Make/Break Ratio

M:B Mode Pin = VDD

Mode Pin = Floating

-

40:60

-

%

- 33.3:66.7 -

%

Tone Output Duration

TTD

-

Intertone Pause

TITP

-

-

93

-

mS

-

93

-

mS

Flash Break Time

TFB F1

F2

-

600

-

mS

-

300

-

F3

-

73

-

F4

-

100

-

Flash Pause Time

TFP

-

-

1.0

-

S

Pause Time

TP

-

(W91824N/AN only)

-

3.6

-

S

-

2.0

-

S

Key Tone Frequency

FKT

-

Key Tone Duration

TKTD

-

One-key Redialing

TRP

-

Pause Time

-

1.2

- KHz

-

35

-

mS

-

600

-

mS

One-key Redialing

TRB

-

-

2.2

-

S

Break Time

First Key-in Delay

TFKD Lock only

-

300

-

mS

Notes:

1. Crystal parameters suggested for proper operation are Rs < 100 Ω, Lm = 96 mH, Cm = 0.02 pF, Cn = 5 pF, Cl = 18 pF,

Fosc. = 3.579545 MHz ±0.02%.

2. Crystal oscillator accuracy directly affects these times.

- 11 -

Publication Release Date: May 1999

Revision A2

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