zl50021 Zarlink Semiconductor, zl50021 Datasheet - Page 132

• Manufacturer Part Number: zl50021
• Description: Enhanced 4 K Digital Switch With Stratum 3 Dpll
• Manufacturer: Zarlink Semiconductor

† Characteristics are over recommended operating conditions unless otherwise stated.
‡ See “Performance Characteristics Notes” on page 133
DPLL Performance Characteristics
† Characteristics are over recommended operating conditions unless otherwise stated.
‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* 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
1
2
3
4
5
6
7
8
9
Jitter at CKo0 and CKo3 (4.096 MHz)
Jitter at CKo1 and CKo3 (8.192 MHz)
Jitter at CKo2 and CKo3 (16.384 MHz)
Jitter at CKo3 (4.096, 8.192, 16.384, or 32.768 MHz)
Jitter at CKo4 (1.544 MHz or 2.048 MHz)
Jitter at CKo5 (19.44 MHz)
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
1.544 MHz
2.048 MHz
unfiltered jitter
500 Hz - 1.3 MHz jitter
65 kHz - 1.3 MHz jitter
12 kHz - 1.3 MHz jitter
Characteristics
Characteristics
2
†
†
- Output Jitter Generation (Unfiltered except for CKo5)
- Accuracy & Switching
Zarlink Semiconductor Inc.
ZL50021
1
132
-0.003
-0.03
-11.4
Min.
-9.8
-20
Typ.
1060
810
800
710
670
630
770
540
460
510
‡
Max.
0.03
11.4
9.8
20
31
56
60
0
1
Units
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
ps-pp
Units
ppm
ppm
ppm
ppm
ppm
µs/s
ns
s
s
Conditions/Notes*
Conditions/Notes‡
1,3,7,9,10,11,12
1,3,7,9,10,12
1,3,7,9,15
1-6,16
1,3,7,9
1,4,8
1,5,7
Data Sheet
14
10