MT8979 Datasheet PDF (ISO-CMOS ST-BUS FAMILY CEPT PCM 30/CRC-4 Framer & Interface) | Download Mitel Networks Corporation MT8979

Datasheet Details

Part number	MT8979
Manufacturer	Mitel Networks Corporation
File Size	340.04 KB
Description	ISO-CMOS ST-BUS FAMILY CEPT PCM 30/CRC-4 Framer & Interface
Download	MT8979 Download (PDF)

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.

Applications • • • • Primary rate ISDN network nodes Multiplexing equipment Private network: PBX to PBX links High speed computer to computer links TxMF C2i F0i RxMF DSTi DSTo ADI CSTi0 CSTi1 CSTo VDD ST-BUS Timing Circuitry Digital Attenuator ROM 2 Frame Elastic Buffer with Slip Control CEPT Link Interface RxD RxA RxB TxA TxB PCM/Data Interface Remote & Digital Loopbacks Serial Control Interface ABCD Bit RAM Phase Detector XCtl XSt Control Logic CEPT Counter E2i E8Ko VSS Figure 1 - Functional Block Diagram 4-161 MT8979 ISO-CMOS 28 PIN CERDIP/PDIP Figure 2 - Pin Connections Pin Description Pin # Name DIP PLCC Description Transmit A (Output): A split phase unipolar signal suitable for use with TxB and an external line driver and transformer to construct the bipolar line signal.

Key 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 µ sec 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 fo.

More Datasheets from Mitel Networks Corporation

Part Number	Description
MT8971B	(MT8972B) ISO2-CMOS ST-BUS FAMILY Digital Subscriber Interface Circuit Digital Network Interface Circuit
MT8972B	(MT8971B) ISO2-CMOS ST-BUS FAMILY Digital Subscriber Interface Circuit Digital Network Interface Circuit
MT8976	ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit
MT8977	ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit
MT8910-1	CMOS ST-BUS FAMILY Digital Subscriber Line Interface Circuit
MT8920B	ST-BUS Parallel Access Circuit
MT8924	PCM Conference Circuit (PCC) Preliminary Information
MT8926	T1 Performance Monitoring Adjunct Circuit
MT8940	ISO-CMOS ST-BUS FAMILY T1/CEPT Digital Trunk PLL
MT8941	CMOS ST-BUS FAMILY Advanced T1/CEPT Digital Trunk PLL

Part Number

Description

MT8971B

(MT8972B) ISO2-CMOS ST-BUS FAMILY Digital Subscriber Interface Circuit Digital Network Interface Circuit

MT8972B

(MT8971B) ISO2-CMOS ST-BUS FAMILY Digital Subscriber Interface Circuit Digital Network Interface Circuit

MT8976

ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit

MT8977

ISO-CMOS ST-BUS FAMILY T1/ESF Framer Circuit

MT8910-1

CMOS ST-BUS FAMILY Digital Subscriber Line Interface Circuit

MT8920B

ST-BUS Parallel Access Circuit

MT8924

PCM Conference Circuit (PCC) Preliminary Information

MT8926

T1 Performance Monitoring Adjunct Circuit

MT8940

ISO-CMOS ST-BUS FAMILY T1/CEPT Digital Trunk PLL

MT8941

CMOS ST-BUS FAMILY Advanced T1/CEPT Digital Trunk PLL