(Hong Kong)
Product Summary
The MT9044AL is a System Synchronizer. It contains a digital phase-locked loop (DPLL), which provides timing and synchronization signals for multitrunk T1 and E1 primary rate transmission links and STS-3/0C3 links.
Parametrics
MT9044AL 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: 20 mA; (4)Storage temperature TST: -55 to 125℃; (5)PLCC package power dissipation PPD: 900 mW; (6)MQFP package power dissipation P: 900 mW.
Features
MT9044AL features: (1)Supports AT&T TR62411 and Bellcore GR-1244-CORE Stratum 3, Stratum 4 Enhanced and Stratum 4 timing for DS1 interfaces; (2)Supports ITU-T G.812 Type IV clocks for 1,544 kbit/s interfaces and 2,048 kbit/s interfaces; (3)Supports ETSI ETS 300 011, TBR 4, TBR 12 and TBR 13 timing for E1 interfaces; (4)Selectable 1.544MHz, 2.048MHz or 8kHz input reference signals; (5)Provides C1.5, C2, C3, C4, C6, C8, C16, and C19 (STS-3/OC3 clock divided by 8) output clock signals; (6)Provides 5 different styles of 8 KHz framing pulses; (7)Holdover frequency accuracy of 0.05 PPM; (8)Holdover indication; (9)Attenuates wander from 1.9Hz; (10)Provides Time Interval Error (TIE) correction; (11)Accepts reference inputs from two independent sources; (12)JTAG Boundary Scan.
Diagrams
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 MT9044AL |
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Negotiable |
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Data Sheet |
Negotiable |
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MT90221 |
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Negotiable |
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