ZL50073
32 K Channel Digital Switch with High Jitter
Tolerance, Rate Conversion per Group of
4 Streams (8, 16, 32 or 64 Mbps),
and 128 Inputs and 128 Outputs
Data Sheet
Features
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32,768 channel x 32,768 channel non-blocking
digital Time Division Multiplex (TDM) switch at
65.536 Mbps, 32.768 Mbps and 16.384 Mbps or
using a combination of rates
16,384 channel x 16,384 channel non-blocking
digital TDM switch at 8.192 Mbps
High jitter tolerance with multiple input clock
sources and frequencies
Up to 128 serial TDM input streams, divided into
32 groups with 4 input streams per group
Up to 128 serial TDM output streams, divided into
32 groups with 4 output streams per group
Per-group input and output data rate conversion
selection at 65.536 Mbps, 32.768 Mbps,
16.384 Mbps and 8.192 Mbps. Input and output
data group rates can differ
Per-group input bit delay for flexible sampling
point selection
Per-group output fractional bit advancement
Four sets of output timing signals for interfacing
additional devices
Per-channel A-Law/µ-Law Translation
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Ordering Information
ZL50073GAC
484 Ball PBGA
April 2005
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-40°C to +85°C
Per-channel constant or variable throughput delay
for frame integrity and low latency applications
Per-stream Bit Error Rate (BER) test circuits
Per-channel high impedance output control
Per-channel force high output control
Per-channel message mode
Control interface compatible with Intel and
Motorola Selectable 32 bit and 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
ODE
PWR
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VDD_CORE
VDD_IO
VSS
Input
Group 0
STiA0
STiB0
STiC0
STiD0
Output
Group 0
Data Memory
S/P
Converter
Connection Memory
P/S
Converter
Input
Group 31
:
:
SToA0
SToB0
SToC0
SToD0
STiA31
STiB31
STiC31
STiD31
Input
Timing
SToA31
SToB31
SToC31
SToD31
Output
Timing
:
:
Output
Group 31
FPi2-0
CKi2-0
CK_SEL1-0
FPo3-0
CKo3-0
Timing
Microprocessor Interface
and Control Registers
Test Access
Port
A18-0
DTA
WAIT
BERR
D31-0
TMS
TDi
TDo
TCK
Figure 1 - ZL50073 Functional Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2004-2005, Zarlink Semiconductor Inc. All Rights Reserved.
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