ZL38004 TA - Brand New Zarlink Special Purpose Audio ICs
In Stock:122 ,Ready for Immediate Shipping
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In Stock:
122,
Ready for Immediate Shipping
Brand:Zarlink
Category:Special Purpose Audio ICs
Chipdatas Part No.:CD94-ZL38004 TA
Manufacturer Part No.:ZL38004 TA
Datecode:09+
Package:96-VFBGA
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Description
The ZL38004 TA is a special-purpose audio IC that is part of the electronic component model. It is designed to provide all the necessary functionality for a central timing card in carrier-grade network equipment. This highly integrated device offers features such as input reference monitoring, automatic reference selection, support for external timing and line timing modes, hitless reference switching, wander and jitter filtering, and master/slave crossover for minimizing phase alignment between redundant timing cards. It also includes an independent derived output timing path for support of the SETS functionality.
Specifications and features
- Supports the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2)
- Supports the requirements of Telcordia GR-1244 Stratum 3 and GR-253, ITU-T G.813, and G.781 SETS
- Supports ITU-T G.823, G.824 and G.8261 for 2048 kbit/s and 1544 kbit/s interfaces
- Meets the SONET/SDH jitter generation requirements up to OC-48/STM-16
- Synchronizes to telecom reference clocks (2 kHz, N*8 kHz up to 77.76 MHz, 155.52 MHz) or to Ethernet reference clocks (25 MHz, 50 MHz, 62.5 MHz, 125 MHz)
- Supports composite clock inputs (64 kHz, 64 kHz + 8 kHz, 64kHz + 8 kHz + 400 Hz)
- Generates standard SONET/SDH clock rates (e.g., 19.44 MHz, 38.88 MHz, 77.76 MHz, 155.52 MHz, 622.08 MHz) or Ethernet clock rates (e.g., 25 MHz, 50 MHz, 125 MHz, 156.25 MHz, 312.5 MHz) for synchronizing Gigabit Ethernet PHYs
- Programmable output synthesizers (P0, P1) generate telecom clock frequencies from any multiple of 8 kHz up to 100 MHz
- Generates several styles of telecom frame pulses with selectable pulse width, polarity, and frequency
- Provides two DPLLs which are independently configurable through a serial interface
- Internal state machine automatically controls mode of operation (free-run, locked, holdover)
- Flexible input reference monitoring automatically disqualifies references based on frequency and phase irregularities
- Provides automatic reference switching and holdover during loss of reference input
- Supports master/slave configuration and dynamic input to output delay compensation for AdvancedTCA™
- Configurable input to output delay and output to output phase alignment
Application Scenarios
The ZL38004 TA is commonly used in various applications, including:
- ITU-T G.8262 System Timing Cards which support 1 GbE and 10 GbE interfaces
- Telcordia GR-253 Carrier Grade SONET/SDH Stratum 3 System Timing Cards
- System Timing Cards which support ITU-T G.781 SETS (SDH Equipment Timing Source)
Comparison
Advantages:
- Highly integrated device
- Provides all necessary functionality for a central timing card
- Supports various timing modes and features
- Offers hitless reference switching for uninterrupted operation
- Includes wander and jitter filtering for improved signal quality
Disadvantages:
- Specifically designed for carrier-grade network equipment
- May not be suitable for non-networking related applications
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Additional Information
- Datasheet: Download ZL38004 TA
- Chipdatas Part: CD94-ZL38004 TA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 12:13 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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