The CM8870/70C decoder uses digital counting techniques for the detection and decoding of all 16 DTMF tone pairs into a 4-bit code. This DTMF receiver minimizes ...
Features. • Full DTMF receiver. • Less than 35mW power consumption. • Industrial temperature range. • Uses quartz crystal or ceramic resonators.
This DTMF receiver minimizes external component count by providing an on-chip differential input amplifier, clock generator, and a latched three-state interface ...
Dec 18, 2001 · The CM8870/70C decoder uses digital counting techniques for the detection and decoding of all. 16 DTMF tone pairs into a 4-bit code. This DTMF.
CMOS Integrated DTMF Receiver Others with the same file for datasheet: CM8870CPI, CM8870CSI, CM8870PI · CM8870 datasheet pdf California Micro Devices Corp
Jan 11, 2013 · I'm trying to build a DTMF decoder using the CM8870 DTMF decoder IC. I made the project on a breadboard. But the decoding never works!