Dual Inputs (tip/ring And 4 Wire) Bellcore Compliant Extended Voltage Calling Number Identification Circuit For CID, CIDCW And CWD (Type 2 And 2.5)

The MT88E46 is a CMOS integrated circuit suitable for receiving the FSK and CAS signals in North American (Bellcore) CIDCW, CWD and CID (Calling Identity Delivery) services. It provides an optimal solution for the CIDCW (also known as Type 2) and CWD (Type 2.5) telephone set applications by providing separate input op-amps for Tip/Ring and 4- wire side (receive pair of the telephone hybrid or speech IC) connections. The Tip/Ring connection is compatible with TIA's MEI scheme and CAN be used for FSK demodulation and 'on hook mode' CAS detection. The 4-wire side connection is for 'off hook mode' CAS detection. The CAS detection modes - on hook and off hook - use different algorithms which are optimized for the CPE states. In 'off hook mode' the CAS detector is Bellcore compliant when near end speech is attenuated 8dB or better. 'On hook mode' is optimized for talkdown only and typically meets talkdown condition 1 (the average case) without speech attenuation at Tip/Ring such as in the on hook state MEI CPE.
By Zarlink Semiconductor
MT88E46 's PackagesMT88E46 's pdf datasheet
MT88E46AS SOIC
MT88E46AS1 SOIC
MT88E46ASR SOIC
MT88E46ASR1 SOIC




MT88E46 Pinout, Pinouts
MT88E46 pinout,Pin out
This is one package pinout of MT88E46,If you need more pinouts please download MT88E46's pdf datasheet.

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