參數(shù)資料
型號(hào): MT90826
廠商: Mitel Networks Corporation
英文描述: Quad Digital Switch(四數(shù)字開(kāi)關(guān))
中文描述: 四數(shù)字交換機(jī)(四數(shù)字開(kāi)關(guān))
文件頁(yè)數(shù): 23/30頁(yè)
文件大?。?/td> 131K
代理商: MT90826
MT90826
23
Note:1. High Impedance is measured by pulling to the appropriate rail with R
L
, with timing corrected to cancel time taken to discharge C
L
.
Figure 7 - ST-BUS Timing for Stream rate of 16.384 Mb/s
AC Electrical Characteristics - Frame Pulse and CLK
Characteristic
Sym
Min
Typ
Max
Units
CLK
1
2
3
4
5
6
7
8
9
Frame pulse width
Frame Pulse Setup time before CLK falling
Frame Pulse Hold Time from CLK falling
CLK Period
CLK Pulse Width High
CLK Pulse Width Low
Frame pulse width
Frame Pulse Setup time before CLK falling
Frame Pulse Hold Time from CLK falling
10 CLK Period
11 CLK Pulse Width High
12 CLK Pulse Width Low
13 Clock Rise/Fall Time
t
FPW
t
FPS
t
FPH
t
CP
t
CH
t
CL
t
FPW8
t
FPS8
t
FPH8
t
CP8
t
CH8
t
CL8
t
r
, t
f
55
5
10
55
20
20
115
5
10
110
50
50
0
65
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
16.384MHz
70
40
40
145
8.192MHz
150
75
75
+10
AC Electrical Characteristics - Serial Streams for ST-BUS
Characteristic
Sym
Min
Typ
Max
Units
Test Conditions
1
2
3
4
5
Input Data Sample Point
STi Set-up Time (Data rate of 16Mb/s)
STi Hold Time (Date rate of 16Mb/s)
STi Set-up Time (Date rate of 2, 4 or 8Mb/s)
STi Hold Time (Date rate of 2, 4 or 8Mb/s)
t
IDS
t
SIS_16
t
SIH_16
t
SIS
t
SIH
14
0
8
0
8
15
16
ns
ns
ns
ns
ns
6
STo Delay - Active to Active
t
SOD
8
11
30
43
35
ns
C
L
=30pF
C
L
=200pF
R
L
=1K, C
L
=200pF,
See Note 1
R
L
=1K, C
L
=200pF,
See Note 1
7
Output Driver Enable (ODE) Delay
t
ODE
ns
8
STo delay - Active to High-Z
- High-Z to Active
t
DZ,
t
ZD
35
ns
V
TT
V
TT
F0i
CLK
(16.384MHz)
t
FPW
STo
(16Mb/s)
STi
(16Mb/s)
t
FPH
t
SOD
t
SIH_16
t
CH
t
CL
t
FPS
t
CP
t
SIS_16
V
V
LM
V
TT
V
TT
t
r
t
f
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch255
Bit0
Ch255
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit1
Ch0
Bit5
Ch0
Bit6
Ch0
Bit7
Ch255
Bit0
Ch255
Bit1
Ch0
Bit2
Ch0
Bit3
Ch0
Bit4
Ch0
Bit1
t
IDS
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