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
January 2006
Features
•
32,768 channel x 32,768 channel non-blocking
Ordering Information
digital Time Division Multiplex (TDM) switch at
65.536 Mbps, 32.768 Mbps and 16.384 Mbps or
using a combination of rates
ZL50073GAC
484 Ball PBGA
Trays
ZL50073GAG2 484 Ball PBGA** Trays
**Pb Free Tin/Silver/Copper
•
•
•
•
•
16,384 channel x 16,384 channel non-blocking
digital TDM switch at 8.192 Mbps
-40°C to +85°C
High jitter tolerance with multiple input clock
sources and frequencies
•
Per-channel constant or variable throughput delay
for frame integrity and low latency applications
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-stream Bit Error Rate (BER) test circuits
Per-channel high impedance output control
Per-channel force high output control
Per-channel message mode
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
Control interface compatible with Intel and
Motorola Selectable 32 bit and 16 bit non-
multiplexed buses
•
Per-group input bit delay for flexible sampling
point selection
•
•
Connection Memory block programming
Supports ST-BUS and GCI-Bus standards for
input and output timing
•
•
Per-group output fractional bit advancement
Four sets of output timing signals for interfacing
additional devices
•
•
IEEE 1149.1 (JTAG) test port
3.3 V I/O with 5 V tolerant inputs; 1.8 V core
voltage
•
Per-channel A-Law/µ-Law Translation
VDD_CORE
VDD_IO
VSS
ODE
PWR
STiA0
STiB0
STiC0
STiD0
:
SToA0
SToB0
Data Memory
P/S
SToC0
Converter
SToD0
S/P
Converter
:
:
:
STiA31
STiB31
STiC31
STiD31
SToA31
SToB31
Connection Memory
SToC31
SToD31
Input
Timing
Output
Timing
FPi2-0
CKi2-0
CK_SEL1-0
Timing
Test Access
Port
Microprocessor Interface
and Control Registers
FPo3-0
CKo3-0
Figure 1 - ZL50073 Functional Block Diagram
1
Zarlink Semiconductor Inc.
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Copyright 2004-2006, Zarlink Semiconductor Inc. All Rights Reserved.