MT90870AG Zarlink, MT90870AG Datasheet - Page 80

• Manufacturer Part Number: MT90870AG
• Description: Switch Fabric 12K x 12K/8K x 4K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

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

2.048 Mb/s
2.048 Mb/s
BSTo0 - 31
BSTo0 - 31
BSTo0 - 31
8.192 Mb/s
8.192 Mb/s
4.096 Mb/s
4.096 Mb/s
BSTi0 - 31
BSTi0 - 31
BSTi0 - 31
* CK_int is the internal clock signal of 131.072 MHz
CK_int *
FP8i
C8i
Figure 24 - GCI BUS Backplane Data Timing Diagram (8 Mb/s, 4 Mb/s, 2 Mb/s)
Ch31
Ch127
Bit7
Bit6
6
Ch31
Bit7
Ch63
Bit7
Ch63
Ch127
Bit7
Bit7
7
Ch0
Bit0
tBSOD8
tBIDS4
tBSOD4
0
tBSOD2
Bit0
Ch0
tBSIS8
tBIDS8
tBSIH8
tBIDS2
Zarlink Semiconductor Inc.
Ch0
Bit1
Ch0
Bit1
1
MT90870
tBSIS4
tBSIH4
80
Ch0
Bit0
Bit2
Ch0
2
Ch0
Bit0
Ch0
Bit1
Ch0
Bit2
tBSIS2
Ch0
Bit3
3
tBSIH2
Ch0
Bit4
4
Ch0
Bit2
Bit3
Ch0
Ch0
Bit5
5
Ch0
Bit1
Ch0
Bit6
6
Ch0
Bit1
Data Sheet
Ch0
Bit3
Bit4
Ch0