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W91312 Datasheet(PDF) 1 Page - Winbond |
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W91312 Datasheet(HTML) 1 Page - Winbond |
1 / 12 page W91310 SERIES TONE/PULSE DIALER WITH REDIAL FUNCTION Publication Release Date: January 1995 - 1 - Revision A3 GENERAL DESCRIPTION The W91310 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The W91310 series feature a redial memory. FEATURES • DTMF/Pulse switchable dialer • 32 digits for redial 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 W91310 series are shown in the following table: TYPE NO. PULSE (ppS) FLASH (mS) FLASH PAUSE (mS) PAUSE (S) W91312/A 10/20 600/300 600/300 2.0 W91314/A 10/20 73/100 140/100 3.6 W91316 10/20 600 600 3.6 |
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