Datasheet

AC TIMING
(Figure 4-1, Figure 4-2, Figure 4-3, Figure 4-4, and Figure 4-5)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Capture Range on CLKIN (Note 1) ±10,000 ppm
Lock Range on CLKIN (Note 1) ±10,000 ppm
CLKIN Duty Cycle (Note 1) 35 65 %
SYNCIN Setup to CLKIN Rising t
SU
(Note 1) 46 ns
SYNCIN Hold After CLKIN Rising t
HI
(Note 1) 30 ns
SYNCIN Pulse Width t
PW
(Note 1) 76
CLKIN
period
ns
3.3V (Note 1) -15 0 +41
CLKOUT1 Delay from CLKIN Rising t
D
5V (Note 1) -15 0 +22
ns
CLKOUT1 Duty Cycle C
D
(Note 1) 50 %
SYNCOUT Delay from CLKOUT2 t
DF
(Note 1) -5 30 ns
SYNCOUT Pulse Width t
SPW
(Note 1)
CLKOUT
1 period
ns
CLKOUT1 Delay from CLKOUT2
Rising
t
DH
3.3V (Note 1) -15 0 +15 ns
3.3V (Note 1) 60
Rise/Fall Time on CLKIN, SYNCIN t
RF
5V (Note 1) 40
ns
3.3V (Note 1) 75
Rise/Fall Time on CLKOUT1,
SYNCOUT, CLKOUT2 (Note 4)
t
RF
5V (Note 1) 40
ns
Note 1:
Guaranteed by design.
Note 2:
100pF load on all outputs.
Note 3:
0V < V
IN
< V
DD
.
Note 4:
100pF load on CLKOUT1, SYNCOUT, CLKOUT2.
Figure 4-1. DS21600/DS21602 High-to-Low Frequency Conversion Frame-Sync
Alignment
8 of 12
CLKIN
(
2.048MHz
)
t
SU
t
HI
SYNCIN
t
PW
CLKOUT1
t
D
t
DH
(
1.544MHz
)
CLKOUT2
(
6.176MHz
)
t
DF
SYNCOUT
t
SPW