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MFG:MT Package Cooled:PLCC
Part Number: MT8979
MFG: MT
Package Cooled: PLCC
Description: The MT8979 is a single chip CEPT digital trunk transceiver that meets the requirements of CCITT Recomm...
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MT8979
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DataSheet
General Description
MT8979 General Description
The MT8979 is a single chip CEPT digital trunk transceiver that meets the requirements of CCITT Recommendation G.704 for digital multiplex equipment.
The MT8979 is fabricated in Mitel's low power ISO-CMOS technology.
MT8979 Maximum Ratings
| Parameter | Symbol | Min | Max | Units | |
| 1 | Supply Voltage | VDD | -0.3 | 7 | V |
| 2 | Voltage at Digital Inputs | VI | -0.3 | VDD + 0.3 | V |
| 3 | Current at Digital Inputs | II | 30 | mA | |
| 4 | Voltage at Digital Outputs | VO | -0.3 | VDD + 0.3 | V |
| 5 | Current at Digital Outputs | IO | 30 | mA | |
| 6 | Storage Temperature | TST | -65 | 150 | °C |
| 7 | Package Power Dissipation | P | 800 | mW |
MT8979 Features
• Single chip primary rate 2048 kbit/s CEPT transceiver with CRC-4 option
• Meets CCITT Recommendation G.704
• Selectable HDB3 or AMI line code
• Tx and Rx frame and multiframe synchronization signals
• Two frame elastic buffer with 32 msec jitter buffer
• Frame alignment and CRC error counters
• Insertion and detection of A, B, C, D signalling bits with optional debounce
• On-chip attenuation ROM with option for ADI codecs
• Per channel, overall and remote loop around
• ST-BUS compatible
• Meets CCITT Recommendation G.704
• Selectable HDB3 or AMI line code
• Tx and Rx frame and multiframe synchronization signals
• Two frame elastic buffer with 32 msec jitter buffer
• Frame alignment and CRC error counters
• Insertion and detection of A, B, C, D signalling bits with optional debounce
• On-chip attenuation ROM with option for ADI codecs
• Per channel, overall and remote loop around
• ST-BUS compatible
MT8979 Typical Application
• Primary rate ISDN network nodes
• Multiplexing equipment
• Private network: PBX to PBX links
• High speed computer to computer links
• Multiplexing equipment
• Private network: PBX to PBX links
• High speed computer to computer links
MT8979 Connection Diagram
MT8979
PDF/DataSheet Download
- Datasheet: MT8979
- File Size: 350917 KB
- Manufacturer: MITEL [Mitel Networks Corporation]
- Click here to Download
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MT8979 Relative Products
MT8977AE
The MT8977AE is a variant of the MT8976 framer,which has been enhanced to meet ACCUNET® T1.5 wander tolerance (138 UI). The MT8977AE meets ESF and D3/D4 formats, and is compatible with SLC-96 systems.
MT8977
The MT8977 is a variant of the MT8976 framer, which has been enhanced to meet ACCUNET® T1.5 wander tolerance (138 UI).The MT8977 meets ESF and D3/D4 formats, and is compatible with SLC-96 systems
MT8976AC
The MT8976AC is a kind of Mitel's second generation T1 interface solution. The device meets the Extended Super Frame format (ESF), the current D3/D4 format and is compatible with SLC-96 systems. In addition, the MT8976AC interfaces to DS1 1.544 Mbit/sec digi...
MT8976
The MT8976 is Zarlink's second generation T1 interface solution. The MT8976 meets the Extended Super Frame format (ESF), the current D3/D4 format and is compatible with SLC-96 systems.The MT8976 interfaces to DS1 1.544 Mbit/sec digital trunk.
MT8972B
The MT8971B (DSIC) and MT8972B (DNIC) are multi-function devices capable of providing high speed, full duplex digital transmission up to 160kbit/s over a twisted wire pair. MT8972B use adaptive echo-cancelling techniques and transfer data in (2B+D) format co...
MT8971B
The MT8971B (DSIC) and MT8972B (DNIC) are multi-function devices capable of providing high speed, full duplex digital transmission up to 160kbit/s over a twisted wire pair. MT8971B use adaptive echo-cancelling techniques and transfer data in (2B+D) format co...
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