W91410 데이터 시트보기 (PDF) - Winbond

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W91410

TONE/PULSE DIALER WITH SAVE FUNCTION

Winbond 

W91410 SERIES

TONE/PULSE DIALER WITH

SAVE FUNCTION

GENERAL DESCRIPTION

The W91410 series are monolithic ICs that provide the necessary signals for either pulse or tone

dialing. The W91410 series feature a redial and save memory.

FEATURES

• DTMF/Pulse switchable dialer

• Two by 32 digits for redial and save memory

• Pulse-to-tone (P→T) keypad for long distance call operation

• Break/Make ratio is selectable by pin option

• Uses 4 × 4 keyboard

• Easy operation with redial, flash, pause, and P→T keypads

• Flash, pause, 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 18-pin plastic DIP

• The different dialers in the W91410 series are shown in the following table:

TYPE NO.

PULSE (ppS)

FLASH (mS)

FLASH PAUSE (mS)

W91412/A

W91414/A

W91416

10/20

10/20

10/20

600/300

73/100

600

600/300

140/100

600

PAUSE (S)

2.0

3.6

3.6

Publication Release Date: January 1995

-1-

Revision A3

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