zl50058 Zarlink Semiconductor, zl50058 Datasheet - Page 2

• Manufacturer Part Number: zl50058
• Description: 12 K Channel Digital Switch With High Jitter Tolerance, Per Stream Rate Conversion 2, 4, 8, 16 Or 32 Mbps , 48 Input And 48 Output Streams
• Manufacturer: Zarlink Semiconductor

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Note 1: For software compatibility between ZL50057 and MT90870, please refer to Section 2.6.
Applications
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High impedance-control outputs for external drivers on Local and Backplane ports
Per-channel message mode for Local and Backplane output streams
Connection memory block programming for fast device initialization
BER testing for Local and Backplane ports
Automatic selection between ST-BUS and GCI-Bus operation
Non-multiplexed Motorola microprocessor interface
Conforms to the mandatory requirements of the IEEE-1149.1 (JTAG) standard
Memory Built-In-Self-Test (BIST), controlled via microprocessor register
1.8 V core supply voltage
3.3V I/O supply voltage
5 V tolerant inputs, outputs and I/Os
ZL50057 is pin-to-pin compatible with Zarlink’s MT90870 device
Central Office Switches (Class 5)
Media Gateways
Class-independent switches
Access Concentrators
Scalable TDM-Based Architectures
Digital Loop Carriers
Zarlink Semiconductor Inc.
ZL50057/8
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1
Data Sheet