MT90868 Zarlink Semiconductor, Inc., MT90868 Datasheet - Page 48

• Manufacturer Part Number: MT90868
• Description: High Bandwidth Digital Switch - 8,192 x 8,192 channels among local streams and 1,024 x 1,024 channels among two selected backplane streams
• Manufacturer: Zarlink Semiconductor, Inc.

MT90868
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25 C, V
48
AC Electrical Characteristics
10 FP4o Output Setup
11 FP4o Output Hold
12 C4o Clock Period
13 C4o Clock Pulse Width High
14 C4o Clock Pulse Width Low
15 C4o Clock Rise/Fall Time
16 FP8o Width
17 FP8o Output Setup
18 FP8o Output Hold
19 C8o Clock Period
20 C8o Clock Pulse Width High
21 C8o Clock Pulse Width Low
22 C8o Clock Rise/Fall Time
23 FP16o Width
24 FP16o Output Setup
25 FP16o Output Hold
26 C16o Clock Period
27 C16o Clock Pulse Width High
28 C16o Clock Pulse Width Low
29 C16o Clock Rise/Fall Time
testing.
1
2
3
4
5
6
7
8
9
Backplane Frame Pulse Width
Backplane Frame Pulse Setup Time
before C8i clock falling edge
Backplane Frame Pulse Hold Time
from C8i clock falling edge
C8i Clock Period
C8i Clock Pulse Width High
C8i Clock Pulse Width Low
C8i Clock Rise/Fall Time
C8i Cycle to Cycle Variation
FP4o Width
from the FP4o falling edge to the C4o falling edge
from the C4o falling edge to the FP4o rising edge
from the FP8o falling edge to the C4o falling edge
from the C4o falling edge to the FP8o Rising edge
from the FP16o falling edge to the C4o falling edge
from the C4o falling edge to the FP16o rising edge
Characteristic
DD_CORE
at 1.8V and V
†
- Backplane and Local Clock Timing
DD_IO
at 3.3V and are for design aid only: not guaranteed and not subject to production
t
rC16o
t
t
t
rC4o
rC8o
rC8i
t
t
t
t
t
t
t
FOHR16
FOSF16
t
t
t
t
FOHR4
t
FOHR8
t
FOSF4
FOSF8
FPW16
t
t
t
Sym
BFPW
CVC8i
t
t
FPW4
FPW8
BFPS
BFPH
t
t
t
t
t
t
t
CP16
CH16
CL16
BCP
BCH
BCL
CP4
CH4
CP8
CH8
CL4
CL8
, t
, t
, t
, t
fC8i
fC4o
fC8o
fC16o
Min
120
220
110
120
220
110
110
111
110
20
10
10
50
50
50
60
55
55
55
20
30
55
27
27
0
0
Typ
122
122
244
122
122
244
122
122
122
122
61
61
61
61
61
61
61
30
40
61
30
30
2
2
‡
Advance Information
Max
230
124
270
135
145
270
135
135
133
135
90
90
70
70
75
80
67
67
67
45
50
67
33
33
3
6
7
7
7
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
Notes
L
=30pF