ZL50018 ZARLINK [Zarlink Semiconductor Inc], ZL50018 Datasheet - Page 131

• Manufacturer Part Number: ZL50018
• Description: 2 K Digital Switch with Enhanced Stratum 3 DPLL
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 133
DPLL Performance Characteristics
1. Reference switching to normal, holdover, or freerun mode
2. -4.6 to +4.6 ppm locking
1
2
3
4
5
6
7
8
9
Freerun Mode accuracy
Initial Holdover Frequency Stability
Pull-in/Hold-in range (Stratum 3)
Reference Far Hysteresis Limit (Stratum 3)
Reference Near Hysteresis Limit (Stratum 3)
Output phase continuity for reference switch
Normal output phase alignment speed (phase slope)
Normal Phase lock time
Fast phase lock time
Characteristics
2
†
- Accuracy & Switching
Zarlink Semiconductor Inc.
ZL50018
1
131
-0.003
-0.03
-11.4
Min.
-9.8
-20
Max.
0.03
11.4
9.8
20
31
56
60
0
1
Units
ppm
ppm
ppm
ppm
ppm
µs/s
ns
s
s
Conditions/Notes
1,3,7,9,10,11,12
1,3,7,9,10,12
1,3,7,9,15
1,3,7,9
1,5,7
1,4,8
Data Sheet
15
10
‡