MT90868 Zarlink Semiconductor, Inc., MT90868 Datasheet - Page 52

• 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
52
AC Electrical Characteristics
10 Backplane Serial Output Delay for Bit 3 and Bit
1
2
3
4
5
6
7
8
9
testing.
32.768Mb/s
32.768Mb/s
BSTo0 - 63
BSTi0 - 63
Input data sampling point for Bit 0 and Bit 4
Input data sampling point for Bit 1 and Bit 5
Input data sampling point for Bit 2 and Bit 6
Input data sampling point for Bit 3 and Bit 7
Backplane Serial Input Set-up Time
Backplane Serial Input Hold Time
Backplane Serial Output Delay for Bit 0 and Bit
4
Backplane Serial Output Delay for Bit 1 and Bit
5
Backplane Serial Output Delay for Bit 2 and Bit
6
7
FP8i
C8i
Ch511
Ch511
Bit2
Characteristic
Bit2
DD_CORE
Figure 20 - Backplane Data Timing Diagram (32Mb/s Mode)
Ch511
Ch511
Bit1
Bit1
at 1.8V and V
Ch511
Ch511
†
Bit0
Bit0
- Backplane Data Timing for the 32Mb/s mode
DD_IO
t
SOD6
t
Bit7
Ch0
SOD7
Ch0
Bit7
t
IDS6
t
IDS7
at 3.3V and are for design aid only: not guaranteed and not subject to production
t
SIS
t
SOD5
t
SIH
t
IDS5
Ch0
Bit6
Ch0
Bit6
t
t
t
t
t
t
t
t
Sym
t
t
t
t
t
t
t
t
SOD0
SOD4
SOD1
SOD5
SOD2
SOD6
SOD3
SOD7
t
t
IDS0
IDS4
IDS1
IDS5
IDS2
IDS6
IDS3
IDS7
SIH
SIS
t
t
SOD4
IDS4
Ch0
Bit5
Ch0
Bit5
111.5
80.5
50.5
19.5
Min
5
5
Ch0
Ch0
Bit7
Bit4
Ch0
Bit4
114.5
Typ
83.6
53.3
22.8
106
t
SOD2
t
SOD3
Bit3
Ch0
Bit3
Ch0
‡
t
t
t
IDS2
IDS2
IDS3
Advance Information
t
SOD1
117.5
t
IDS1
Max
86.5
56.5
25.5
116
Bit2
Ch0
86
55
25
Ch0
Bit2
t
SOD0
t
IDS0
Bit1
Ch0
Units
Bit1
Ch0
Bit1
Ch0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
C
Ch0
Bit0
Ch0
Bit0
L
Notes
=30pF
V
V
V
TT
TT
TT
V
TT