MT90823AG Zarlink Semiconductor, Inc., MT90823AG Datasheet - Page 25

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

AC Electrical Characteristics - Frame Pulse and CLK
10 Frame Pulse Hold Time from
11 HCLK (4.096MHz) Period
12 HCLK (4.096MHz) Pulse Width
13 HCLK (4.096MHz) Pulse Width
14 HCLK Rise/Fall Time
15 Delay between falling edge of
1 Frame pulse width (ST-BUS, GCI)
2 Frame Pulse Setup time before
3 Frame Pulse Hold Time from CLK
4 CLK Period
5 CLK Pulse Width High
6 CLK Pulse Width Low
7 Clock Rise/Fall Time
8 Wide frame pulse width
9 Frame Pulse Setup Time before
CLK falling (ST-BUS or GCI)
falling (ST-BUS or GCI)
HCLK falling
HCLK falling
High
Low
HCLK and falling edge of CLK
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 2.048 Mb/s
Bit rate = 4.096 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Bit rate = 8.192 Mb/s
Characteristic
t
Sym
t
t
t
Hr
t
HFPW
t
t
t
t
HFPS
HFPH
t
t
FPW
t
t
t
t
HCP
HCH
FPS
FPH
HCL
r
CH
DIF
CP
CL
, t
, t
f
Hf
Min
190
110
195
190
-10
26
26
26
10
55
85
50
20
85
50
20
10
85
85
5
5
Typ
Max
295
145
300
150
150
150
295
150
150
300
150
150
80
70
75
40
75
40
10
10
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CMOS
WFPS Pin = 0
WFPS Pin = 0
WFPS Pin = 0
WFPS Pin = 0
WFPS Pin = 0
WFPS Pin = 0
WFPS Pin = 1
WFPS Pin = 1
WFPS Pin = 1
WFPS Pin = 1
WFPS Pin = 1
WFPS Pin = 1
WFPS Pin = 0 or 1
Notes
MT90823
25