CDC5801A Datasheet, PDF (8/18 Pages) Texas Instruments – LOW JITTER CLOCK MULTIPLIER AND DIVIDER WITH PROGRAMMABLE AND PHASE ALIGNMENT

CDC5801A
LOW JITTER CLOCK MULTIPLIER AND DIVIDER WITH
PROGRAMMABLE DELAY AND PHASE ALIGNMENT
SCAS813A − AUGUST 2005 − REVISED DECEMBER 2005
jitter specification over recommended operating free-air temperature range and V_CC (unless
otherwise noted) (continued)
PARAMETER
CLKOUT
t(jitter)
(Multiplication with phase alignment and
programmable delay features selected.
See Figure 2.)
500 MHz
MULT0:1 = 11
(Divider
ratio = 4)
12.5 MHz
15.5 MHz
t(jitter)
(Divider mode with
phase aligner not active:
DLYCTRL =LEADLAG =
0 or 1. See Figure 2.)
MULT0:1 = 10
(Divider
ratio = 3)
25 MHz
31 MHz
50 MHz
MULT0:1 = 00
(Divider
ratio = 2)
62.5 MHz
t(jitter)
(Divider mode with
phase alignment and
programmable delay
features selected. See
Figure 2.)
MULT0:1 = 11
(Divider
ratio = 4)
12.5 MHz
15.5 MHz
MULT0:1 = 10
(Divider
ratio = 3)
25 MHz
31 MHz
TEST CONDITIONS
Period RMS (1Σ jitter, full frequency band)
Period p-p
Phase jitter (accumulated, 12 kHz to 20 MHz)
Phase jitter (accumulated, 50 kHz to 80 MHz)
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Phase jitter (accumulated, 12 kHz to 20 MHz)
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Phase jitter (accumulated, 12 kHz to 20 MHz)
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
Period RMS (1Σ jitter, full frequency band)
Period p-p
Cycle-to-cycle (+)
Cycle-to-cycle (−)
MIN TYP†
2.9
24
9
9
20
20
12
75
55
55
8
50
38
38
7.5
50
35
35
5.5
30
23
23
8
40
12
30
30
5.5
28
9
24
24
12.5
80
55
55
8.5
55
38
38
10
60
35
35
7
40
23
23
MAX
UNIT
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
ps
8
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