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MT8843AS

CMOS Calling Number Identification Circuit 2 Preliminary Information

Description TheMT8843CallingNumberIdentificationCircuit2(CNIC2)isalowpowerCMOSintegratedcircuitintendedforreceivingphysicallayersignalstransmittedaccordingtoBT(BritishTelecom)SIN227&SIN242,CTA(CableTVAssociation)TW/P&E/312andBellcoreTR-NWT-000030&

MT8843AS

CMOS Calling Number Identification Circuit 2; ? Compatible with British Telecom (BT) SIN227 & SIN242, Cable Television Association (CTA)\nTW/P&E/312, and Bellcore TR-NWT-000030 & SR-TSV-002476\n? Ring and line reversal detection\n? Bellcore \"CPE Alerting Signal (CAS)\" and BT \"Idle State Tone Alert Signal\" detection\n? 1200 baud BELL 202 and CCITT V.23 Frequency Shift Keying (FSK) demodulation\n? High input sensitivity\n? Dual mode 3-wire data interface\n? Low power CMOS with powerdown mode\n? Input gain adjustable amplifier\n? Carrier detect status output\n? Uses 3.58 MHz crystal or ceramic resonatorApplications\n? BT Calling Line Identity Presentation (CLIP), CTA CLIP, and Bellcore Calling Identity Delivery\n(CID) systems\n? Feature phones, including Analog Display Services Interface (ADSI) phones\n? Phone set adjunct boxes\n? FAX and answering machines\n? Database query and Computer Telephony Integration (CTI) systems;

Description\nThe MT8843 Calling Number Identification Circuit 2 (CNIC2) is a low power CMOS integrated circuit? intended for receiving physical layer signals transmitted according to BT (British Telecom)\nSIN227 & SIN242, CTA (Cable TV Association) TW/P&E/312 and Bellcore TR-NWT-000030 & SR-TSV-002476 specifications.

N8843A

I3CSMProtocolTriggerandDecode

NCV8843

1.5A,340kHz,BuckRegulatorwithSynchronizationCapability

NCV8843PWG

1.5A,340kHz,BuckRegulatorwithSynchronizationCapability

TDA8843

I2C-buscontrolledPAL/NTSC/SECAMTVprocessors

FEATURES ThefollowingfeaturesareavailableinallIC’s: ·Multi-standardvisionIFcircuitwithanalignment-free PLLdemodulatorwithoutexternalcomponents ·Alignment-freemulti-standardFMsounddemodulator (4.5MHzto6.5MHz) ·Audioswitch ·FlexiblesourceselectionwithCVBSswi

ETC