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W91410 Datasheet, PDF (1/12 Pages) Winbond – TONE/PULSE DIALER WITH SAVE FUNCTION | |||
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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 (PâT) keypad for long distance call operation
⢠Break/Make ratio is selectable by pin option
⢠Uses 4 à 4 keyboard
⢠Easy operation with redial, flash, pause, and PâT keypads
⢠Flash, pause, PâT (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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