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Part Number: MT88E43B
Description: The MT88E43B Calling Number Identification Circuit 2 is a low power CMOS integrated circuit intended f...
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MT88E43B
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DataSheet
General Description
MT88E43B General Description
The MT88E43B Calling Number Identification Circuit 2 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 MT88E43B is suitable for applications using a fixed voltage power source between 3 and 5V±10%. The MT88E43B contains a FSK demodulator and a CAS/Tone Alert Signal detector. The 1200 baud FSK demodulator is compatible with both Bell 202 and CCITT v.23 formats. To facilitate FSK data extraction, a dual mode 3-wire serial data interface is provided.
In one mode data transfer is initiated by the device. In the second mode, the microcontroller initiates the 8-bit data word extraction from the device. The MT88E43B also offers line reversal detection capability for BT's CLIP, ring burst detection for the U.K.'s CCA's CLIP, and ring detection for Bellcore's CID.
MT88E43B Maximum Ratings
| Parameter | Symbol | Min | MAX | Units | |
| 1 | DC Power Supply Voltage | VDD | 6 | V | |
| 2 | Voltage on any pin (other than supply) | VPIN | Vss-0.3 | VDD+0.3 | V |
| 3 | Current at any pin (other than supply) | IPIN | 10 | mA | |
| 4 | Storage Temperature | TST | -65 | +150 | °C |
MT88E43B 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 FSK data interface
(microcontroller or MT88E43B initiated)
• Low power CMOS with powerdown mode
• Input gain adjustable amplifier
• Carrier detect status output
• Uses 3.58 MHz crystal
• 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 FSK data interface
(microcontroller or MT88E43B initiated)
• Low power CMOS with powerdown mode
• Input gain adjustable amplifier
• Carrier detect status output
• Uses 3.58 MHz crystal
MT88E43B Typical Application
• 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
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
MT88E43B Connection Diagram
MT88E43B
PDF/DataSheet Download
- Datasheet: MT88E43B
- File Size: 638514 KB
- Manufacturer: Zarlink
- Click here to Download
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