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MT9174AE Datasheet(PDF) 1 Page - Mitel Networks Corporation |
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MT9174AE Datasheet(HTML) 1 Page - Mitel Networks Corporation |
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1 / 4 page  9-155 9-155 ® Features • Receive sync output pulse • Full duplex transmission over a single twisted pair • Selectable 80 or 160 kbit/s line rate • Adaptive echo cancellation • Up to 4 km loop reach • ISDN compatible (2B+D) data format • Transparent modem capability • Frame synchronization and clock extraction • MITEL ST-BUS compatible • Low power (typically 50 mW), single 5V supply Applications •TDD Digital PCS (DECT, CT2, PHS) base stations requiring cell synchronization • Digital subscriber lines • High speed data transmission over twisted wires • Digital PABX line cards and telephone sets • 80 or 160 kbit/s single chip modem Figure 1 - Functional Block Diagram DSTi/Di CDSTi/ F0/CLD C4/TCK F0o/RCK MS0 MS1 MS2 RegC DSTo/Do CDSTo/ CDo Transmit Interface Prescrambler Scrambler Control Register Transmit/ Clock Receive Timing & Control Status Transmit Timing Master Clock Phase Locked Sync Detect Receive DPLL Receive Interface De- Prescrambler Descrambler Differentially Encoded Biphase Receiver Differentially Encoded Biphase Transmitter Transmit Filter & Line Driver Receive Filter -1 +2 MUX Address Echo Canceller Error Signal Echo Estimate VBias VDD VSS VBias VRef LOUT LOUT DIS Precan LIN OSC2 OSC1 — + ∑ CDi RxSB ISSUE 1 May 1995 Description The MT9174 is identical to the MT9172 in all respects except for the addition of one feature. The MT9174 includes a digital output pin indicating the temporal position of the "SYNC" bit of the biphase transmission. This feature is especially useful for systems such as PCS wireless base stations applications requiring close synchronization between microcells. The MT9174 is fabricated in Mitel’s ISO2-CMOS process. Ordering Information MT9174AE 24 Pin Plastic DIP MT9174AN 24 Pin SSOP MT9174AP 28 Pin PLCC -40°C to +85°C MT9174 Digital Network Interface Circuit with Receive Sync Marker Bit ISO2-CMOS ST-BUS ™ FAMILY |
Similar Part No. - MT9174AE |
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Similar Description - MT9174AE |
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