ZL30402
Data Sheet
AC Electrical Characteristics - Input to Output Phase Alignment (after RefAlign change from 1 to 0)*
Characteristics
Symbol
Min.
Max.
Units
Notes
1
2
8 kHz ref pulse width high
tR8H
tR8D
100
-15
100
210
100
192
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
F8o to 8 kHz ref input delay
115
220
202
Note 1
3
1.544 MHz ref pulse width high
1.544 MHz ref input to F8o delay
2.048 MHz ref pulse width high
2.048 MHz ref input to F8o delay
19.44 MHz ref pulse width high
F8o to 19.44 MHz ref input delay
19.44 MHz ref input to C19o delay
Reference input rise and fall time
tR1.5H
tR1.5D
tR2H
4
5
6
tR2D
7
tR19H
tR19D
tR19C19D
tIR, tIF
8
5
14
4
9
-4
10
10
* Supply voltage and operating temperature are as per Recommended Operating Conditions
Note 1: For 8 kHz reference alignment refer to Application Note ZL-27 "Phase Alignment between 8 kHz Output and 8 kHz Input Reference on
ZL30402"
t
R8H
t
R8D
PRI/SEC
8 kHz
VT
t
R1.5H
tc = 125 s
µ
t
R1.5D
PRI/SEC
VT
VT
1.544 MHz
t
R2H
tc = 647.67 ns
tc = 488.28 ns
t
R2D
PRI/SEC
2.048 MHz
t
R19D
t
R19H
PRI/SEC
VT
VT
19.44 MHz
tc = 51.44 ns
tc = 51.44 ns
t
R19C19D
C19o
F8o
VT
tc = 125 s
µ
Note: Delay time measurements are done with jitter free input reference signals
Figure 16 - Input Reference to Output Clock Phase Alignment
38
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
