zl50015qcc1 Zarlink Semiconductor, zl50015qcc1 Datasheet - Page 117

• Manufacturer Part Number: zl50015qcc1
• Description: Enhanced 1 K Digital Switch With Stratum 4e Dpll
• Manufacturer: Zarlink Semiconductor

† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 119.
DPLL Performance Characteristics† - Accuracy & Switching
1. Reference switching to normal, holdover, or freerun mode
2. -32 to +32 ppm locking
10
1
2
3
4
5
6
7
8
9
Freerun Accuracy
Initial Holdover Frequency Stability
Pull-in/Hold-in Range (Stratum 4E)
Reference Far Hysteresis Limit (Stratum 4E)
Reference Near Hysteresis Limit (Stratum 4E)
Reference Far Hysteresis Limit (Relaxed Stratum 4E)
Reference Near Hysteresis Limit (Relaxed Stratum 4E)
Output phase continuity for reference switch
Normal output phase alignment speed (phase slope)
Normal phase lock time
Characteristics
2
Zarlink Semiconductor Inc.
ZL50015
1
117
-0.003
-0.03
-82.5
-64.5
-260
Min.
-248
-242
Max.
0.03
82.5
64.5
260
248
242
31
56
75
0
Units
ppm
ppm
ppm
ppm
ppm
ppm
ppm
µs/s
ns
s
Conditions/
Data Sheet
1,3,7,9,12
1,3,7,9,13
1,3,7,9,10
Notes‡
1,3,7,9
1,4,8
1,5,7
10
11