W91590B

W91590 SERIES 24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS GENERAL DESCRIPTION The W91590 series dialers Si-gate CMOS IC tone/pulse switchable dialers with 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 32-digit LNB (last number buffer) memory (both tone and pulse mode) 32-digit mercury memory (tone/pulse mode) 16-digit × 3 one-touch direct repertory memory (tone/pulse mode) 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 P→T (pulse-to-tone) can be stored as a digit in memory Minimum tone output du...