MT90820AL Zarlink, MT90820AL Datasheet - Page 29

• Manufacturer Part Number: MT90820AL
• Description: Switch Fabric 2K x 2K/1K x 1K/512 x 512 131.072Mbps 5V 100-Pin MQFP Tray
• Manufacturer: Zarlink

Specifications of MT90820AL

• Package: 100MQFP
• Number Of Ports: 16
• Fabric Size: 2K x 2K|1K x 1K|512 x 512
• Switching Bandwidth: 131.072 Mbps
• Switch Core: Non-Blocking
• Port Speed: 2.048|4.096|8.192 Mbps
• Operating Supply Voltage: 5 V

CLK
STo
F0i
STi
Figure 10 - ST-BUS Timing for 2.048 Mb/s and High Speed Serial Interface at 4.096 Mb/s or
Note 1:
2.048 Mb/s mode, last channel = ch 31,
4.196 Mb/s mode, last channel = ch 63,
8.192 Mb/s mode, last channel = ch 127.
CLK
STo
F0i
STi
Note 1:
2Mb/s mode, last channel = ch 31,
4Mb/s mode, last channel = ch 63,
8Mb/s mode, last channel = ch 127
Figure 11 - GCI Timing at 2.048 Mb/s and High Speed Serial Interface at
Bit 7, Last Ch (Note1)
Bit 0, Last Ch (Note1)
Bit 7, Last Ch (Note1)
Bit 0, Last Ch (Note1)
t
t
FPS
FPS
t
4.096 Mb/s or 8.192 Mb/s, when WFPS pin = 0
FPW
t
SOD
t
FPW
t
FPH
t
FPH
Bit 0, Channel 0
t
t
SOD
8.192 Mb/s, when WFPS pin = 0.
SIS
Bit 7, Channel 0
Bit 0, Channel 0
t
SIS
Zarlink Semiconductor Inc.
Bit 7, Channel 0
t
CP
t
MT90820
SIH
t
CP
t
SIH
29
Bit 1, Channel 0
Bit 6, Channel 0
Bit 1, Channel 0
Bit 6, Channel 0
t
CH
t
CH
Bit 2, Channel 0
Bit 5, Channel 0
Bit 2, Channel 0
Bit 5, Channel 0
t
CL
t
CL
t
t
r
r
t
t
f
f
V
V
V
V
V
V
V
V
V
V
V
V
Data Sheet
TT
TT
TT
HM
TT
LM
TT
LM
TT
TT
HM
TT