Product Summary

The MT9043AN System Synchronizer contains adigital phase-locked loop (DPLL), which provides timingand synchronization signals for multitrunk T1 and E1primary rate transmission links. The MT9043AN is compliant with AT&T TR62411 andBellcore GR-1244-CORE, Stratum 4 Enhanced, andStratum 4; and ETSI ETS 300 011. The MT9043AN will meet thejitter/wander tolerance, jitter transfer, intrinsic jitter,frequency accuracy, capture range, phase changeslope, and MTIE requirements for these specifications. Applications are (1)Synchronization and timing control for multitrunk T1,E1 and STS-3/OC3 systems; (2)ST-BUS clock and frame pulse sources.

Parametrics

MT9043AN absolute maximum ratings: (1)Supply voltage VDD: -0.3 to 7.0 V; (2)Voltage on any pin VPIN: -0.3 to VDD+ 0.3 V; (3)Current on any pin IPIN: 30 mA; (4)Storage temperature TST: -55 to 125 °C; (5)48 SSOP package power dissipation PPD: 200 mW.

Features

MT9043AN features: (1)Supports AT&T TR62411 and Bellcore GR-1244-CORE, Stratum 4 Enhanced and Stratum 4 timing for DS1 interfaces; (2)Supports ETSI ETS 300 011, TBR 4, TBR 12 and TBR 13 timing for E1 interfaces; (3)Selectable 19.44 MHz, 1.544MHz, 2.048MHz or 8kHz input reference signals; (4)Provides C1.5, C2, C4, C6, C8, C16, and C19 (STS-3/OC3 clock divided by 8) output clock signals; (5)Provides 5 different styles of 8 KHz framing pulses; (6)Attenuates wander from 1.9Hz; (7)Fast lock mode; (8)Provides Time Interval Error (TIE) correction; (9)Accepts reference inputs from two independent sources; (10)JTAG Boundary Scan.

Diagrams

MT9043AN pin connection

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