MT90826
Data Sheet
AC Electrical Characteristics - Serial Streams for ST-BUS
Characteristic
Sym.
Min. Typ. Max. Units Test Conditions
1
2
3
4
Input Data Sample Point (Data rate of
16 Mbps)
Input Data Sample Point (Data rate of
8 Mbps)
Input Data Sample Point (Data rate of
4 Mbps)
Input Data Sample Point (Data rate of
2 Mbps)
tIDS_16
30
ns
ns
ns
ns
tIDS_8
tIDS_4
tIDS_2
91
183
366
5
6
7
8
STi Set-up Time (Data rate of 16 Mbps)
STi Hold Time (Date rate of 16 Mbps)
STi Set-up Time (Date rate of 2, 4 or 8 Mbps)
STi Hold Time (Date rate of 2, 4 or 8 Mbps)
tSIS_16
tSIH_16
tSIS
0
8
0
8
ns
ns
ns
ns
tSIH
9
STo Delay - Active to Active
tSOD
tODE
8
30
43
35
ns
ns
ns
CL=30pF
11
CL=200pF
10 Output Driver Enable (ODE) Delay
RL=1K, CL=200pF,
See Note 1
RL=1K, CL=200pF,
See Note 1
11 STo delay - Active to High-Z
- High-Z to Active
tDZ,
tZD
35
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
tFPW
F0i
VTT
tFPS
tFPH
t
IDS_16
tCP
tCH
tr
tCL
VHM
VTT
VLM
CLK
(16.384 MHz)
tf
tSOD
STo
Ch0
Bit6
Ch0
Bit5
Ch0
Bit3
Ch0
Bit2
Ch255
Bit1
Ch255
Bit0
Ch0
Bit7
Ch0
Ch0
VTT
Bit4
Bit1
(16 Mbps)
tSIH_16
tSIS_16
STi
Ch0
Bit6
Ch0
Bit5
Ch0
Bit3
Ch0
Bit2
Ch255
Bit1
Ch255
Ch0
Bit7
Ch0
Bit4
Ch0
Bit1
VTT
Bit0
(16 Mbps)
Figure 8 - ST-BUS Timing for Stream rate of 16.384 Mbps
37
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
