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MT8976AP Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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MT8976AP Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 26 page  4-29 ® Features • D3/D4 or ESF framing and SLC-96 compatible • 2 frame elastic buffer with 32 µsec jitter buffer • Insertion and detection of A, B,C,D bits. Signalling freeze, optional debounce • Selectable B8ZS, jammed bit (ZCS) or no zero code suppression • Yellow alarm and blue alarm signal capabilities • Bipolar violation count, FT error count, CRC error count • Selectable robbed bit signalling • Frame and superframe sync. signals, Tx and Rx • AMI encoding and decoding • Per channel, overall, and remote loop around • Digital phase detector between T1 line & ST- BUS • One uncommitted scan point and drive point • Pin compatible with MT8977 and MT8979 • ST-BUS compatible Applications • DS1/ESF digital trunk interfaces • Computer to PBX interfaces (DMI and CPI) • High speed computer to computer data links Description The MT8976 is Mitel’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. Figure 1 - Functional Block Diagram TxSF C2i F0i RxSF DSTo DSTi CSTi0 CSTi1 CSTo XCtl XSt ST-BUS Timing Data Interface Serial Control Interface Control Logic 2 Frame Elastic Buffer with Slip Control 2048-1544 Converter ABCD Signalling RAM DS1 Link Phase Detector DS1 Counter Remote & Digital Loopbacks C1.5i RxFDLClk RxFDL RxA RxB TxA TxB TxFDLClk TxFDL RxD E1.5i E8Ko VSS VDD • Circuitry Interface Ordering Information MT8976AC 28 Pin Ceramic DIP MT8976AE 28 Pin Plastic DIP MT8976AP 44 Pin PLCC -40 °C to 85°C ISSUE 9 May 1995 MT8976 T1/ESF Framer Circuit ISO-CMOS ST-BUS ™ FAMILY |
Similar Part No. - MT8976AP |
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Similar Description - MT8976AP |
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