mt90868ag2 Zarlink Semiconductor, mt90868ag2 Datasheet - Page 60

• 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.
60
AC Electrical Characteristics
See Figure 19 in the next page for the 16Mb/s mode backplane data timing diagram.
1
2
3
4
5
6
Input data sampling point for Bit 0, Bit 2,
Bit 4 and Bit 6
Input data sampling point for Bit 1, Bit 3,
Bit 5 and Bit 7
Backplane Serial Input Set-up Time
Backplane Serial Input Hold Time
Backplane Serial Output Delay for Bit 0,
Bit 2, Bit 4 and Bit 6
Backplane Serial Output Delay for Bit 1,
Bit 3, Bit 5 and Bit 7
°
Characteristic
C, V
DD_CORE
at 1.8V and V
†
- Backplane Data Timing for the 16Mb/s mode
DD_IO
Zarlink Semiconductor Inc.
at 3.3V and are for design aid only: not guaranteed and not subject to production
t
t
t
t
t
t
t
t
Sym
t
t
t
t
t
t
t
t
SOD0
SOD2
SOD4
SOD6
SOD1
SOD3
SOD5
SOD7
t
IDS0
IDS2
IDS4
IDS6
IDS1
IDS3
IDS5
IDS7
t
SIS
SIH
Min
106
3.5
1.5
45
68
7
Typ
73.5
12.5
107
46
‡
Max
108
47
79
18
Units
ns
ns
ns
ns
ns
ns
Data Sheet
C
L
Notes
=30pF