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MT88E43 Datasheet(PDF) 1 Page - Zarlink Semiconductor Inc |
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MT88E43 Datasheet(HTML) 1 Page - Zarlink Semiconductor Inc |
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1 / 26 page  5-53 Features • Compatible with: • British Telecom (BT) SIN227 & SIN242 • U.K.’s Cable Communications Association (CCA) specification TW/P&E/312 • Bellcore GR-30-CORE (formerly known as TR-NWT-000030) & SR-TSV-002476 • Bellcore "CPE Alerting Signal (CAS)" and BT "Idle State Tone Alert Signal" detection • Ring and line reversal detection • 1200 baud Bell 202 and CCITT V.23 Frequency Shift Keying (FSK) demodulation • 3 or 5V ±10% supply voltage • High input sensitivity (-40dBV Tone and FSK Detection) • Selectable 3-wire data interface (microcontroller or MT88E43 controlled) • Low power CMOS with powerdown mode • Input gain adjustable amplifier • Carrier detect status output • Uses 3.58 MHz crystal Applications • BT Calling Line Identity Presentation (CLIP), CCA CLIP, and Bellcore Calling Identity Delivery (CID) systems • Feature phones, including Analog Display Services Interface (ADSI) phones • Phone set adjunct boxes • FAX and answering machines • Database query and Computer Telephony Integration (CTI) systems Description The MT88E43 Calling Number Identification Circuit 2 (ECNIC2) is a low power CMOS integrated circuit intended for receiving physical layer signals transmitted according to BT (British Telecom) SIN227 & SIN242, the U.K.’s CCA (Cable Communications Association) TW/P&E/312 and Bellcore GR-30-CORE & SR-TSV-002476 specifications. The MT88E43 is suitable for applications using a fixed voltage power source between 3 and 5V ±10%. Figure 1- Functional Block Diagram + - Anti-alias Filter FSK Bandpass Filter FSK Demodulator Data Timing Recovery Carrier Detector Alert Signal High Tone Filter Alert Signal Low Tone Filter Tone Detection Algorithm Bias Generator Oscillator Guard Time StD St/GT ESt TRIGout TRIGRC TRIGin DATA DR DCLK MODE FSKen CD CAP OSCin OSCout IN+ IN- GS VRef INT PWDN VDD VSS To internal To internal cct. cct. Interrupt Generator ISSUE 3 March 1997 Ordering Information MT88E43AE 24 Pin Plastic DIP (0.6 inch package only) MT88E43AS 24 Pin SOIC -40 °C to +85 °C MT88E43 Extended Voltage Calling Number Identification Circuit2 CMOS |
Similar Part No. - MT88E43 |
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Similar Description - MT88E43 |
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