器件名称:
MT88E43AE
功能描述:
Extended Voltage Calling Number Identification Circuit 2
文件大小:
317.67KB 共26页
简 介:
CMOS MT88E43 Extended Voltage Calling Number Identification Circuit 2 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 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 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 sour……
