MT90863 Mitel Networks Corporation, MT90863 Datasheet - Page 28

• Manufacturer Part Number: MT90863
• Description: 3V Rate Conversion Digital Switch
• Manufacturer: Mitel Networks Corporation

MT90863
AC Electrical Characteristics - Serial Streams for Backplane and Local Interfaces
Note:
28
1
2
3
4
5
1. High Impedance is measured by pulling to the appropriate rail with R
STio/STi Set-up Time
STio/STi Hold Time
STo Delay - Active to Active
STo delay
Output Driver Enable (ODE)
Delay
STo/STio (8Mb/s)
STo/STio (2Mb/s)
STi/STio (8Mb/s)
STi/STio (2Mb/s)
STio (4Mb/s)
STio (4Mb/s)
16.384MHz
4.096MHz
Characteristic
output
output
output
input
input
input
C16i
C4o
F0o
- High-Z to Active
F0i
- Active to High-Z
Figure 11 - ST-BUS Timing for Stream rate of 2.048, 4.096 or 8.192 Mb/s
Bit 1, Ch 127
Bit 1, Ch 127
Bit 0, Ch63
Bit 0, Ch 63
Bit 0, Ch 31
t
FPoS
Bit 0, Ch 127
t
DC4o
Bit 0, Ch 31
Bit 0, Ch 127
Sym
t
t
ODE
t
t
t
SOD
SIS
SIH
ZD
t
FPiS
t
FPiW
t
FPiH
t
t
t
FPoW
SOD8
SOD2
Bit 7, Ch 0
Min
t
t
SOD4
SIS8
Bit 7, Ch 0
Bit 7, Ch 0
t
FPoH
t
t
CP
Typ
C4L
Bit 7, Ch 0
10
20
40
40
40
t
L
SIS4
t
, with timing corrected to cancel time taken to discharge C
t
SIH8
r
Bit 6, Ch 0
Bit 6, Ch 0
Max
t
CH
Bit 7, Ch 0
t
SIH4
t
Bit 5, Ch 0
C4P
t
Units
C4H
Bit 5, Ch 0
Bit 6, Ch 0
Bit 7, Ch 0
t
ns
ns
ns
ns
ns
SIS2
t
CL
Bit 6, Ch 0
t
C
R
f
L
L
Bit 4, Ch 0
=200pF
=1K, C
Advance Information
t
Bit 4, Ch 0
SIH2
t
r
Test Conditions
t
L
f
=200pF, See Note 1
Bit 6, Ch 0
V
V
V
V
V
V
V
V
V
V
V
V
TT
HM
LM
TT
TT
TT
TT
TT
TT
TT
TT
TT
L
.