參數(shù)資料
型號: MT8910-1
廠商: Mitel Networks Corporation
英文描述: CMOS ST-BUS⑩ FAMILY Digital Subscriber Line Interface Circuit
中文描述: 意法半導(dǎo)體的CMOS總線⑩家庭數(shù)字用戶線接口電路
文件頁數(shù): 25/26頁
文件大小: 419K
代理商: MT8910-1
Preliminary Information
MT8910-1
9-27
Figure 17 - ST-BUS Timing NT Mode
Timing is over recommended temperature & power supply voltages.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
Notes
1)
The C4b pulse width low will vary by ±48ns during a phase-correction cycle.
2)
These timing parameters are mode independent (NT or LT).
3)
Tested at 5.0V, 25°C only.
AC Electrical Characteristics
-
ST-BUS Timing NT Mode (Ref. Figure 17)
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
F0b Output Pulse Width
t
FPW
t
CFD
t
P4o
t
C4H
t
C4L
t
C4T
t
SFD
t
SFW
t
DFD
t
DFW
1
cycles
C
L
=150 pF, C4b cycles
150 pF (see Note 3)
2
F0b Output Delay
60
ns
3
C4b Output Clock Period
244
ns
150 pF
4
C4b Pulse Width High
88
ns
150 pF
5
C4b Pulse Width Low
137
ns
150 pF (see Note 1)
6
C4b Transition Time
15
ns
150 pF
7
SFb Output Delay
60
ns
C
L
=150 pF (see Note 3)
C
L
=150 pF, C4b cycles
C
L
=150 pF (see Notes 2 & 3)
C
L
=150 pF, C4b cycles (see
Note 2)
8
SFb Output Pulse Width
1
cycles
9
F0od Delay
60
ns
10
F0od Pulse Width
1
cycles
11
Serial Input Setup Time
t
SIS
t
SIH
t
DAA
t
DZA
t
DAZ
30
ns
C
L
=150 pF (see Note 2)
C
L
=150 pF (see Note 2)
150 pF load (see Notes 2 & 3)
150 pF load (see Notes 2 & 3)
150 pF load (see Notes 2 & 3)
12
Serial Input Hold Time
50
ns
13
Serial Output Delay
Act to Act
High Z to Act
Act to High Z
120
120
120
ns
ns
ns
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
V
OH
V
OL
V
IH
V
IL
V
OH
V
OL
F0b
C4b
SFb
F0od
DSTi/
CDSTi
DSTo/
CDSTo
BIT 0, CHANNEL 31
BIT 7, CHANNEL 0
t
FPW
t
CFD
t
CFD
t
C4H
t
SFD
t
C4L
t
C4T
t
DFD
t
DFD
t
SIS
t
SIH
t
DZA
t
DAA
t
DAZ
t
P4o
t
SFW
t
DFW
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