MT90869AG Zarlink, MT90869AG Datasheet - Page 20

• Manufacturer Part Number: MT90869AG
• Description: Switch Fabric 16K x 16K/8K x 8K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90869AG

• Package: 272BGA
• Number Of Ports: 64
• Fabric Size: 16K x 16K|8K x 8K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 8.192|4.096|2.048 Mbps
• Operating Supply Voltage: 1.8|3.3 V

Input stream - Backplane 0-15 (BSTi0-15)
Input stream - Backplane 16-31 (BSTi16-31)
Output stream - Backplane 0-15 (BSTo0-15)
Output stream - Backplane 16-31 (BSTo16-31)
Input stream - Local 0-31 (LSTi0-31)
Output stream - Local 0-31 (LSTo0-31)
Table 1 - Per-stream Data-Rate Selection: Backplane and Local, Non-32 Mb/s Mode and 32 Mb/s Mode
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
LSTi/LSTo0-31
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
7
0
0
7
1
6
0
7
0
7
7
0
7
0
6
1
0
7
5
2
6
1
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Channel 0
Zarlink Semiconductor Inc.
4
3
7
0
MT90869
3
4
5
2
2
5
2.048, 4.096, 8.192 or 16.384 Mb/s - Non-32 Mb/s Mode
32.768 Mb/s - 32 Mb/s Mode
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 - Non-32 Mb/s Mode
32.76 8Mb/s - 32 Mb/s Mode
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
20
1
6
1
6
4
3
0
7
(for each individual stream)
Rate Selection Capability
3
4
6
1
6
1
5
2
Channel 255
Channel 255
Channel 127
Channel 127
2
5
Channel 63
Channel 63
Channel 31
Channel 31
4
3
0
7
3
4
1
6
2
5
7
0
1
6
Data Sheet
0
7
0
7
7
0
7
0
0
7
7
0