MT90870AG Zarlink, MT90870AG Datasheet - Page 21
MT90870AG
Manufacturer Part Number
MT90870AG
Description
Switch Fabric 12K x 12K/8K x 4K 1.8V/3.3V 272-Pin BGA Tray
Manufacturer
Zarlink
Datasheet
1.MT90870AG.pdf
(86 pages)
Specifications of MT90870AG
Package
272BGA
Number Of Ports
32
Fabric Size
12K x 12K|8K x 4K
Switch Core
Non-Blocking|Blocking
Port Speed
2.048|4.096|8.192|16.384 Mbps
Operating Supply Voltage
1.8|3.3 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MT90870AG2
Manufacturer:
ZARLINK
Quantity:
41
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Output stream - Backplane 16-31 (BSTo16-31)
Input stream - Local 0-15 (LSTi0-15)
Output stream - Local 0-15 (LSTo0-15)
Table 1 - Per-stream Data-Rate Selection: Backplane and Local, Non-32 Mb/s Mode and 32 Mb/s Mode
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
LSTi/LSTo0-15
FP8i (ST-BUS)
(8.192 MHz)
(16 Mb/s) GCI
(16 Mb/s) ST
(4 Mb/s) GCI
C8i (ST-BUS)
(8 Mb/s) GCI
(2 Mb/s) GCI
(8.192 MHz)
(8 Mb/s) ST
(4 Mb/s) ST
(2 Mb/s) ST
C8i (GCI)
FP8i (GCI)
(8 kHz)
(8 kHz)
Stream Number
Figure 6 - Local Port Timing Diagram for 2,4,8 and 16 Mb/s stream rates
0
7
0
7
1
6
0
7
0
7
7
0
7
0
6
1
7
0
5
2
6
1
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
4
3
7
0
3
4
Zarlink Semiconductor Inc.
5
2
2
5
MT90870
6
1
1
6
2.048, 4.096, 8.192 or 16.384 Mb/s - Non-32 Mb/s Mode
Unused - 32 Mb/s Mode
2.048, 4.096, 8.192 or 16.384 Mb/s
2.048, 4.096, 8.192 or 16.384 Mb/s
21
4
3
0
7
(for each individual stream)
Rate Selection Capability
3
4
6
1
1
6
5
2
Channel 127
Channel 127
Channel 255
Channel 255
2
5
Channel 63
Channel 63
Channel 31
Channel 31
4
3
0
7
3
4
1
6
2
5
0
7
1
6
0
7
0
7
Data Sheet
7
0
7
0
7
0
7
0
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