參數(shù)資料
型號： ZL30101QDC
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 通信及網(wǎng)絡(luò)
英文描述： T1/E1 Stratum 3 System Synchronizer
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP64
封裝： 10 X 10 MM, 1 MM HEIGHT, MS-026ACD, TQFP-64
文件頁數(shù)： 31/34頁
文件大?。?/td> 534K
代理商： ZL30101QDC
ZL30101
Data Sheet
31
Zarlink Semiconductor Inc.
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
7.2 Performance Characteristics
* Supply voltage and operating temperature are as per Recommended Operating Conditions.
AC Electrical Characteristics* - OSCi 20 MHz Master Clock Input
Characteristics
Sym.
Min.
Max.
Units
Notes
1
Oscillator tolerance
-4.6
4.6
ppm
2
Duty cycle
40
60
%
3
Rise time
10
ns
4
Fall time
10
ns
Performance Characteristics* - Functional
Characteristics
Min.
Max.
Units
Notes
1
Holdover accuracy
0.01
ppm
2
Holdover stability
0
ppm
Determined by stability of the
20 MHz master clock oscillator
3
Freerun accuracy
0
ppm
Determined by accuracy of the
20 MHz master clock oscillator
4
Capture range
-12
+12
ppm
The 20 MHz master clock oscillator set
at 0 ppm
5
Reference Out of Range
Threshold (including hysteresis)
-9.2
-12
+9.2
+12
ppm
The 20 MHz master clock oscillator set
at 0 ppm
Lock Time
7
1.8 Hz loop filter
40
s
±
12 ppm frequency offset, BW_SEL=0
8
58 Hz and 922 Hz loop filter
1
s
±
12 ppm frequency offset, BW_SEL=1
Output Phase Continuity (MTIE)
9
Reference switching
13
ns
10
Switching from Normal mode to
Holdover mode
0
ns
11
Switching from Holdover mode
to Normal mode
13
ns
Output Phase Slope
12
1.8 Hz Filter
61
μ
s/s
BW_SEL=0
13
58 Hz and 922 Hz Filter
9.5
ms/s
BW_SEL=1
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