MT90870AG Zarlink, MT90870AG Datasheet - Page 13

• 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

Pin Description (continued)
BSTo0 - 15
BSTo16 - 31
Name
C5, B5, A5 C4, A4,
A3, B1, B2, B3,
C1, C2, D1, D2,
D3, E1, E2
E3, E4, F1, F2, F3,
G1, G2, G3, G4,
H1, H2, H3, J1, J2,
J3, J4
Coordinates
Package
Backplane Serial Output Streams 0 to 15 (5 V Tolerant, Three-state
Outputs).
In Non-32 Mb/s Mode, these pins output serial TDM data streams at a
data-rate of:
16.384 Mb/s (with 256 channels per stream),
8.192 Mb/s (with 128 channels per stream),
4.096 Mb/s (with 64 channels per stream), or
2.048 Mb/s (with 32 channels per stream).
The data-rate is independently programmable for each output stream.
In 32 Mb/s Mode, these pins output serial TDM data streams at a fixed
data-rate of 32.768 Mb/s (with 512 channels per stream).
Refer to descriptions of the BORS and ODE pins for control of the output
High or High-Impedance state.
Backplane Serial Output Streams 16 to 31 (5 V Tolerant Three-state
Outputs).
In Non-32 Mb/s Mode, these pins output serial TDM data streams at a
data-rate of:
16.384 Mb/s (with 256 channels per stream),
8.192 Mb/s (with 128 channels per stream),
4.096 Mb/s (with 64 channels per stream), or
2.048 Mb/s (with 32 channels per stream).
The data-rate is independently programmable for each output stream.
These pins are unused when the 32 Mb/s Mode is selected.
Refer to descriptions of the BORS and ODE pins for control of the output
High or High-Impedance state.
Zarlink Semiconductor Inc.
MT90870
13
Description
Data Sheet