• Part: SC91215B
  • Manufacturer: Silan Microelectronics
  • Size: 347.47 KB
Download SC91215B Datasheet PDF
SC91215B page 2
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SC91215B page 3
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SC91215B Key Features

  • One touch redial operation
  • Tone/Pulse switchable
  • 32 digit capacity for redialing
  • PABX auto-pause is 2.2 seconds
  • DTMF Timing: Manual dialing: minimum duration for bursts and pauses Redialing: calibrated timing
  • Hands-Free control function
  • Wide operating voltage range: 2V to 5.5V
  • Key-in beep tone output
  • Digits dialed manuall

SC91215B Description

The SC91214/15 Series is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHZ crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multifrequency (DTMF) dialing. A standard 4 X4 matrix keyboard can be used to support either DP or DTMF modes.