MT90823AG Zarlink Semiconductor, Inc., MT90823AG Datasheet - Page 27

• Manufacturer Part Number: MT90823AG
• Description: Switch Fabric, 131.072Mbps Switching Bandwidth, 3.3V Supply Voltage, 120-PBGA
• Manufacturer: Zarlink Semiconductor, Inc.

Note:
1. High Impedance is measured by pulling to the appropriate rail with R
Figure 13 - WFP Bus Timing for High Speed Serial Interface (8.192Mb/s), when WFPS pin = 1
16.384MHz
4.096MHz
CLK
STo
F0i
STi
Note 1:
HCLK
2Mb/s mode, last channel = ch 31,
4Mb/s mode, last channel = ch 63,
8Mb/s mode, last channel = ch 127
CLK
STo
STi
F0i
Figure 12 - GCI Timing at 2.048 Mb/s and High Speed Serial Interface
Bit 7, Last Ch (Note1)
Bit 7, Last Ch (Note1)
Bit 1, Ch 127
Bit 1, Ch 127
at 4.096 Mb/s or 8.192 Mb/s, when WFPS pin = 0
t
FPS
t
t
SOD
HFPS
t
FPW
Bit 0, Ch 127
t
FPH
Bit 0, Ch 127
Bit 0, Channel 0
t
SIS
t
DIF
Bit 0, Channel 0
t
HFPW
t
CP
t
t
SIH
SOD
Bit 7, Ch 0
t
SIS
Bit 7, Ch 0
t
HCL
t
HFPH
Bit 1, Channel 0
t
L
CP
Bit 1, Channel 0
, with timing corrected to cancel time taken to discharge C
t
t
Hr
SIH
Bit 6, Ch 0
Bit 6, Ch 0
t
CH
t
CH
t
HCP
t
Bit 2, Channel 0
HCH
Bit 5, Ch 0
Bit 2, Channel 0
Bit 5, Ch 0
t
Hf
t
CL
t
CL
CMOS
Bit 4, Ch 0
Bit 4, Ch 0
t
r
t
r
t
t
f
f
MT90823
V
V
V
V
V
V
CT
CT
CT
HM
CT
LM
V
V
V
V
V
V
V
CT
HM
CT
LM
CT
CT
CT
L
.
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