W91580 查看數據表（PDF） - Winbond

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W91580

24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND HOLD FUNCTIONS

Winbond 

W91580 SERIES

24-MEMORY TONE/PULSE SWITCHABLE DIALER

WITH HANDFREE AND HOLD FUNCTIONS

GENERAL DESCRIPTION

The W91580 series dialers are Si-gate CMOS IC tone/pulse switchable dialers containing a 24-

channel automatic dialing memory, including a 16-digit × 3 emergency dialing memory, a 16-digit ×

20 channel repertory memory that provides one-touch and three-touch dialing, and a 32-digit mercury

memory. These dialers also provide flash, clear, hold, and one-key redial functions.

FEATURES

• DTMF/Pulse switchable dialer

• 31/32-digit LNB (last number buffer) memory (tone/pulse mode)

• 31/32-digit mercury memory (tone/pulse mode)

• 15/16-digit × 3 one-touch direct repertory memory (tone/pulse mode)

• 15/16-digit × 20 direct or indirect repertory memory (tone/pulse mode)

• Uses 9 × 5 keyboard

• Flash time: 98 mS, 305 mS, or 600 mS (selectable by keypad option)

• Pause time: 3.6 sec.

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

• Minimum tone output duration: 100 mS

• Minimum intertone pause: 100 mS

• On-chip power-on reset

• Uses 3.579545 MHz crystal or ceramic resonator

• Packaged in 22, 24, or 28-pin plastic DIP

• The different dialers in the W91580 series are shown in the following table:

TYPE NO.

PULSE

(ppS)

MEMORY MERCURY HOLD

MEMORY

HANDFREE

W91580

10

20

-

-

-

W91580A

10

20

-

-

Yes

W91580B

10/20

24

Yes

Yes

Yes

W91580C

10/20

24

Save

Yes

Yes

PACKAGE

22

24

28

28

Publication Release Date: Auguest 1995

-1-

Revision A3

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