U9131X Datasheet | Unisonic Technologies

DESCRIPTION The UTC U9131X series are monolithic ICs that offer the dialing signals in either pulse or tone mode. The UTC U9131X series feature a redial memory. - FEATURES - Uses 4×4 keyboard - Pulse-to-tone (P→T) keypad for long distance call operation - Easy operation with redial, flash, pause, and P→T keypads - 32 digits for redial memory - Flash, Pause, P→T (pulse-to-tone) can be stored as a digit in memory - Switchable dialing mode：DTMF/Pulse - Switchable beak/make ratio - Minimum tone output duration: 100m S - Minimum intertone pause: 100m S - On-chip power-on reset - Uses 3.579545MHz crystal or ceramic resonator SOP-18 - ORDERING INFORMATION Ordering Number Lead Free Halogen Free U9131XL-S18-T U9131XG-S18-T U9131XL-S18-R U9131XG-S18-R U9131XAL-S18-T U9131XAG-S18-T U9131XAL-S18-R U9131XAG-S18-R Package SOP-18 SOP-18 SOP-18 SOP-18 Packing Tube Tape Reel Tube Tape Reel U9131XAL-S18-T (1)Packing Type (2)Package Type (3)Lead Free (4)Dialer Type (1) T: Tube, R: Tape Reel (2) S18: SOP-18 (3) L: Lead Free, G: Halogen Free (4) refer to DIALER TYPE - DIALER TYPE The different dialers in the UTC U9131X series are shown in the following table: TYPE NO. PULSE (pp S) FLASH (m...