參數(shù)資料
型號: MT9041B
廠商: Mitel Networks Corporation
英文描述: T1/E1 System Synchronizer(T1/E1系統(tǒng)同步裝置(由一個(gè)數(shù)字鎖相環(huán)組成))
中文描述: T1/E1的系統(tǒng)同步(T1/E1的系統(tǒng)同步裝置(由一個(gè)數(shù)字鎖相環(huán)組成))
文件頁數(shù): 11/20頁
文件大?。?/td> 87K
代理商: MT9041B
MT9041B
11
See "Notes" following AC Electrical Characteristics tables.
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
* Timing for input and output signals is based on the worst Chislehurst of the combination of TTL and CMOS thresholds.
* See Figure 10.
Figure 10 - Timing Parameter Measurement Voltage Levels
AC Electrical Characteristics - Performance
Characteristics
Sym
Min
Max
Units
Conditions/Notes
1
Freerun Mode accuracy with OSCi at: 0ppm
-0
+0
ppm
2-5
2
±
32ppm
±
100ppm
-32
+32
ppm
2-5
3
-100
+100
ppm
2-5
4
Capture range with OSCi at: 0ppm
-230
+230
ppm
1,3-5,37
5
±
32ppm
±
100ppm
-198
+198
ppm
1,3-5, 37
6
-130
+130
ppm
1,3-5,37
7
Phase lock time
30
s
1, 3-11
8
Output phase continuity with:
9
mode switch to Normal
200
ns
1-11
10
mode switch to Freerun
200
ns
1, 3-11
11
Output phase slope
45
us/s
1-11, 24
AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels* -
Voltages are
with respect to ground (VSS) unless otherwise stated
Characteristics
Sym
Schmitt
TTL
CMOS
Units
1
Threshold Voltage
V
T
V
HM
V
LM
1.5
1.5
0.5V
DD
0.7V
DD
0.3V
DD
V
2
Rise and Fall Threshold Voltage High
2.3
2.0
V
3
Rise and Fall Threshold Voltage Low
0.8
0.8
V
t
IRF,
t
ORF
Timing Reference Points
ALL SIGNALS
V
HM
V
T
V
LM
t
IRF,
t
ORF
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