zl50021 Zarlink Semiconductor, zl50021 Datasheet - Page 2

• Manufacturer Part Number: zl50021
• Description: Enhanced 4 K Digital Switch With Stratum 3 Dpll
• Manufacturer: Zarlink Semiconductor

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Applications
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Per-stream input and output data rate conversion selection at 2.048, 4.096, 8.192 or 16.384 Mbps. Input and
output data rates can differ
Per-stream high impedance control outputs (STOHZ) for up to 16 output streams
Per-stream input bit delay with flexible sampling point selection
Per-stream output bit and fractional bit advancement
Per-channel ITU-T G.711 PCM A-Law/µ-Law Translation
Multiple frame pulse and reference clock outputs
Input clock: 4.096 MHz, 8.192 MHz, 16.384 MHz
Input frame pulses: 61 ns, 122 ns, 244 ns
Per-channel constant or variable throughput delay for frame integrity and low latency applications
Per Stream Bit Error Rate Test circuits
Per-channel high impedance output control
Per-channel message mode
Control interface compatible with Intel and Motorola 16-bit non-multiplexed buses
Connection memory block programming
Supports ST-BUS and GCI-Bus standards for input and output timing
IEEE-1149.1 (JTAG) test port
3.3 V I/O with 5 V tolerant inputs; 1.8 V core voltage
PBX and IP-PBX
Small and medium digital switching platforms
Wireless base stations and controllers
Remote access servers and concentrators
Multi service access platforms
Digital Loop Carriers
Computer Telephony Integration
Zarlink Semiconductor Inc.
ZL50021
2
Data Sheet