ZL50018
Enhanced 2 K Channel TDM Switch with Stratum 3 DPLL
Overview
| The ZL50018 is an enhanced non-blocking TDM switch with 2048 x 2048 channel switching capacity and integrated Stratum 3 DPLL with holdover in a monolithic IC. The device offers per-stream rate selection, embedded G.711 (A-Law/u-Law) code conversion and simultaneous all-stream Bit Error Rate (BER) testing. It is designed to deliver performance advantages and cost benefits for low-density applications. |
Simplified Block Diagram
Typical Applications
- PBX and IP-PBX
- Small and medium digital switching platforms
- Remote access servers and concentrators
- Wireless base stations and controllers
- Multi-service access platforms
- Digital Loop Carriers
- Computer Telephony Integration
Features & Benefits
- 2048 channel x 2048 channel non-blocking TDM switch
- 32 serial TDM input, 32 serial TDM output streams or 32 bi-directional streams
- Per-stream input and output data rate selection and conversion at 2.048, 4.096 , 8.192 or 16.384 Mbps.
- Integrated Digital Phase-Locked Loop (DPLL) exceeds Telcordia GR-1244-CORE Stratum 3 specifications
- DPLL accepts four independent reference clock inputs and provides holdover, freerun and jitter attenuation
- Generates 6 Output clocks and 4 frame pulses with less than 1 ns of jitter
- Per-stream high impedance buffer control outputs for 8 output streams
- Per-stream input bit delay and output advancement
- Per-channel ITU-T G.711 PCM A-Law/u-Law Translation
- Per-channel constant or variable throughput delay
- Simultanous all-stream BER Test circuits complying to ITU-O.151
- Intel and Motorola compatible 16-bit non-multiplexed interface
- IEEE-1149.1 (JTAG) test port
- 3.3 V I/O with 5 V tolerant inputs
- 1.8 V core voltage
Resources
Documentation
Application Notes
Product Previews
Downloads, Firmware and Drivers
- BSDL Files:
- zl50018qc.bsd
- zl50018ga.bsd
- IBIS Models:
- zl50018qc.ibs
- zl50018ga.ibs
Product Packaging & Availability
| Part Number | Package Type | Pin Count | Lead-Free Option | Shipping Option(s) | Status |
|---|---|---|---|---|---|
| ZL50018GAC | PBGA | 256 | Trays | Last Time Order. Moved to Pb-free. | |
| ZL50018GAG2 | PBGA | 256 | Pb-free-Tin/Silver/Copper | Trays. Bake & Drypack | Production |
| ZL50018QCG1 | LQFP | 256 | Pb-free-Matte Tin | Trays. Bake & Drypack | Production |
Packaging Information
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Ordering
Pb Free 2K + Rate Conversion And S3 Dpll 256 Bga 17X17X1.8Mm Tray Rohs Compliant: Yes
| Distributor | SKU | Stock | MOQ | Pkg | |
|---|---|---|---|---|---|
| Digi-Key | ZL50018GAG2-ND | 90 | Tray | No Stock |
