MT90826AL Zarlink, MT90826AL Datasheet - Page 6

• Manufacturer Part Number: MT90826AL
• Description: Switch Fabric 4K x 4K/2K x 2K/1K x 1K 3.3V 160-Pin MQFP Tray
• Manufacturer: Zarlink

Specifications of MT90826AL

• Package: 160MQFP
• Number Of Ports: 32
• Fabric Size: 4K x 4K|2K x 2K|1K x 1K
• Switch Core: Non-Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 3.3 V

Changes Summary
The following table captures the changes from the April 2005 issue.
Page
26
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37
37
38
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Figure 6 “Examples for Input Offset
Delay Timing”
Section 9.0 Initialization of the
MT90826
Streams for ST-BUS.
Figure 8 “ST-BUS Timing for Stream
rate of 16.384 Mbps”
Figure 9 “ST-BUS Timing for Stream
rate of 8.192 Mbps when CLK =
16.384 MHz”
Figure 10 “ST-BUS Timing for Stream
rate of 4.096 Mbps when CLK =
16.384 MHz”
Figure 12 “ST-BUS Timing for Stream
rate of 2.048 Mbps when CLK =
16.384 MHz”
AC Electrical Characteristics - Serial
Item
Zarlink Semiconductor Inc.
MT90826
6
Clarified the mid-point sampling of the 16 Mbps input
data.
Added the 600 µs waiting time needed for the APLL
module to be stabilized before starting the next
microprocessor port access cycle.
Clarified the 16, 8, 4 and 2 Mbps Input Data Sampling
timing.
Clarified the input data sampling position at 16 Mbps
data rate.
Added the input data sampling position at 8 Mbps data
rate.
Added the input data sampling position at 4 Mbps data
rate.
Added the input data sampling position at 2 Mbps data
rate.
Change
Data Sheet