W91560BN datasheet(1/18 Pages) WINBOND

Part #	W91560BN

Description	3-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK AND HANDFREE FUNCTIONS

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Manufacturer	WINBOND [Winbond]

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W91560N SERIES

3-MEMORY TONE/PULSE DIALER WITH SAVE,

KEYTONE, LOCK AND HANDFREE FUNCTIONS

Publication Release Date: February 1996

- 1 -

Revision A1

GENERAL DESCRIPTION

The W91560N series are tone/pulse switchable telephone dialers with three memories, keytone or

lock, and handfree dialing control. These chips are fabricated using Winbond's high-performance

CMOS technology and thus offer good performance in low-voltage, low-power operations.

FEATURES

• DTMF/pulse switchable dialer

• Two by 32 digit redial and save memory

• Three by 16 digit one-touch direct repertory memory

• Pulse-to-tone (*/T) keypad for long distance call operation

• Cascaded dialing

• Uses 5

× 5 keyboard

• Easy operation with redial, flash, pause, and */T keypads

• Pause, P

→T (pulse-to-tone) can be stored as a digit in memory

• On-hook debounce time: 150 mS (Unlock Mode), 200 mS (Lock Mode)

• 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out

• Dialing rate (10 ppS or 20 ppS) selectable by bonding option

• Minimum tone output duration: 93 mS

• Minimum intertone pause: 93 mS

• Pause time: 3.6 sec.

• 300 mS off-hook delay in lock mode (DP remains low for 300 mS while off hook)

• Flash break time (73 mS, 100 mS, 300 mS, or 600 mS) selectable by keypad; pause time is 1.0S

• Make/break ratio (40:60 or 33.3:66.7) selectable by MODE pin

• Key tone output for valid keypad entry recognition

• On-chip power-on reset

• Uses 3.579545 MHz crystal or ceramic resonator

• 18 or 20-pin dual-in-line plastic package

• The different dialers in the W91560N series are shown in the following table:

TYPE NO.

REPLACEMENT

TYPE NO.

PULSE

(ppS)

FLASH

(mS)

KEY

TONE

LOCK

HANDFREE

DIALING

PACKAGE

(PINS)

W91560N

W91560

10

600/300/73/100

Yes

-

18

W91560AN

W91560A

10

600/300/73/100

Yes

-

Yes

20

W91560BN

W91560B

20

600/300/73/100

Yes

-

Yes

20

W91561LN

W91561L

10

600/300/73/100

-

Yes

-

18

W91561ALN

10

600/300/73/100

-

Yes

20

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