ZL50057 ZARLINK [Zarlink Semiconductor Inc], ZL50057 Datasheet - Page 22

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ZL50057

Manufacturer Part Number
ZL50057
Description
12 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 48 Inputs and 48 Outputs
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet

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The modes in which one port operates in 32 Mbps Mode while the other port operates in Non-32 Mbps Mode allow
data rate conversion between 32.768 Mbps and 16.384 Mbps without loss to the switching capacity.
1.1
The ZL50057/8 can be configured as a 12 K by 12 K non-blocking unidirectional digital switch, a 6 K by 6 K
non-blocking bi-directional digital switch, or as a blocking switch with various switching capacities.
1.1.1
Because the input and output drivers are synchronous, the user can combine input Backplane streams and input
Local streams as well as output Backplane streams and output Local streams to increase the total number of input
and output streams of the switch in a unidirectional configuration, as shown in Figure 4.
1.1.2
Another typical application is to configure the ZL50057/8 as a non-blocking 6 K by 6 K bi-directional switch, as
shown in Figure 6:
1.1.3
The ZL50057/8 can be configured as a blocking bi-directional switch if it is an application requirement. For
example, it can be configured as an 8 K by 4 K bi-directional blocking switch, as shown in Figure 5:
12,288-channel x 12,288-channel non-blocking switching from input to output streams.
6,144-channel x 6,144-channel non-blocking switching from Backplane input to Local output streams
6,144-channel x 6,144-channel non-blocking switching from Local input to Backplane output streams
6,144-channel x 6,144-channel non-blocking switching from Backplane input to Backplane output streams
6,144-channel x 6,144-channel non-blocking switching from Local input to Local output streams
8,192-channel x 4,096-channel blocking switching from Backplane input to Local output streams
4,096-channel x 8,192-channel blocking switching from Local input to Backplane output streams
8,192-channel x 8,192-channel non-blocking switching from Backplane input to Backplane output streams
4,096-channel x 4,096-channel non-blocking switching from Local input to Local output streams
Total 24 input streams and 24 output streams
Flexible Configuration
Non-Blocking Unidirectional Configuration (Typical System Configuration)
Non-Blocking bi-directional Configuration
Blocking bi-directional Configuration
Figure 6 - 6,144 by 6,144 Channels Non-Blocking Bi-directional Configuration
BSTi0-23
BSTo0-23
6K by 6K
Zarlink Semiconductor Inc.
ZL50057/8
ZL50057/8
6K by 6K
6K by 6K
22
6K by 6K
Total 24 input streams and 24 output streams
LSTi0-15
BSTi24-31
LSTo0-15
BSTo24-31
Data Sheet

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