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