MT90870AG Zarlink, MT90870AG Datasheet - Page 73

• Manufacturer Part Number: MT90870AG
• Description: Switch Fabric 12K x 12K/8K x 4K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90870AG

• Package: 272BGA
• Number Of Ports: 32
• Fabric Size: 12K x 12K|8K x 4K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 1.8|3.3 V

Backplane and Local Clock Timing
10
12
13
14
15
16
17
18
19
11
1
2
3
4
5
6
7
8
9
Backplane Frame Pulse Width
Backplane Frame Pulse Setup Time
before C8i clock
Backplane Frame Pulse Hold Time
from C8i clock
C8i Clock Period
C8i Clock Pulse Width High
C8i Clock Pulse Width Low
C8i Clock
C8i Cycle to Cycle Variation
Local Frame Boundary Offset
FP8o Width
FP8o Output Delay
from edge to Local Frame Boundary
FP8o Output Delay
from Local Frame Boundary to Edge
C8o Clock Period
C8o Clock Pulse Width High
C8o Clock Pulse Width Low
C8o Clock
FP16o Width
FP16o Output Delay
from Falling edge to Local Frame
Boundary
FP16o Output Delay
from Local Frame Boundary to Rising
edge
Rise/Fall Time
Rise/Fall Time
Characteristic
rising
rising
edge
edge
Zarlink Semiconductor Inc.
MT90870
73
t
t
rLC8o
rBC8i
t
t
t
t
t
t
t
BFPW244
BFPW122
t
t
t
BFPS244
BFPS122
BFPH244
BFPH122
t
t
t
t
t
t
t
t
t
FODF16
FODR16
GFPH8
BGFPW
t
GFPS8
BGFPH
GFPW8
BGFPS
t
t
LFBOS
LFPW8
FODF8
FODR8
FPW16
t
t
t
Sym.
t
CVC8i
BCP8
BCH8
LCH8
BCL8
LCP8
LCL8
, t
, t
fBC8i
fLC8o
o
o
Min. Typ. Max. Units
210
120
117
117
117
-29
10
10
50
50
56
56
59
59
56
59
62
30
5
5
5
5
5
5
0
3
244
122
122
122
122
122
61
61
2
350
220
220
110
110
110
110
110
110
124
127
127
127
-36
7.5
70
70
68
56
61
61
68
61
66
33
3
3
7
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data Sheet
C
C
C
Notes
L
L
L
=60pF
=60pF
=60pF