mt90868ag2 Zarlink Semiconductor, mt90868ag2 Datasheet - Page 62

• Manufacturer Part Number: mt90868ag2
• Description: 32,768 X 8,192 Channels High Bandwidth Digital Switch With Up To 128 Streams On Backplane And 128 Streams On Local And Data Rates From 8 To 32 Mbps
• Manufacturer: Zarlink Semiconductor

† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25
testing.
62
AC Electrical Characteristics
10 Backplane Serial Output Delay for Bit 3 and Bit
1
2
3
4
5
6
7
8
9
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
C, V
Bit2
Characteristic
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
Zarlink Semiconductor Inc.
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
IDS0
IDS4
IDS1
IDS5
IDS2
IDS6
IDS3
IDS7
t
SIS
SIH
t
t
SOD4
IDS4
Ch0
Bit5
Ch0
Bit5
113.5
82.6
52.3
21.8
Min
3.5
1.5
99
69
38
8
Bit7
Bit4
Ch0
Ch0
Ch0
Bit4
114.5
103.5
Typ
83.6
53.3
22.8
73.5
42.5
12.5
t
SOD2
t
Ch0
SOD3
Bit3
Ch0
Bit3
‡
t
t
t
IDS2
IDS2
IDS3
t
SOD1
115.5
t
Max
84.6
54.3
23.8
IDS1
108
Bit2
Ch0
78
47
17
Ch0
Bit2
t
SOD0
t
IDS0
Ch0
Units
Bit1
Ch0
Bit1
Bit1
Ch0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data Sheet
C
Bit0
Ch0
Ch0
Bit0
L
Notes
=30pF
V
V
V
TT
TT
TT
V
TT