參數資料
型號: ZL50015GAC
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 路由/交換
英文描述: Enhanced 1 K Digital Switch with Stratum 4E DPLL
中文描述: TELECOM, DIGITAL TIME SWITCH, PBGA256
封裝: 17 X 17 MM, 1.61 MM HEIGHT, PLASTIC, MS-034, BGA-256
文件頁數: 117/122頁
文件大小: 926K
代理商: ZL50015GAC
ZL50015
Data Sheet
117
Zarlink Semiconductor Inc.
Characteristics are over recommended operating conditions unless otherwise stated.
See “Performance Characteristics Notes” on page 119.
DPLL Performance Characteristics
- Accuracy & Switching
Characteristics
Min.
Max.
Units
Conditions/
Notes
1
Freerun Accuracy
-0.003
0
ppm
1,5,7
2
Initial Holdover Frequency Stability
-0.03
0.03
ppm
1,4,8
3
Pull-in/Hold-in Range (Stratum 4E)
-260
260
ppm
1,3,7,9
4
Reference Far Hysteresis Limit (Stratum 4E)
-82.5
82.5
ppm
1,3,7,9,12
5
Reference Near Hysteresis Limit (Stratum 4E)
-64.5
64.5
ppm
6
Reference Far Hysteresis Limit (Relaxed Stratum 4E)
-248
248
ppm
1,3,7,9,13
7
Reference Near Hysteresis Limit (Relaxed Stratum 4E)
Output phase continuity for reference switch
1
-242
242
ppm
8
1. Reference switching to normal, holdover, or freerun mode
2. -32 to +32 ppm locking
31
ns
11
9
Normal output phase alignment speed (phase slope)
Normal phase lock time
2
56
μ
s/s
10
10
75
s
1,3,7,9,10
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