XRK32308 Datasheet, PDF (9/14 Pages) Exar Corporation – 3.3V ZERO DELAY BUFFER

PRELIMINARY
XRK32308
REV. P1.0.2
3.3V ZERO DELAY BUFFER
TABLE 10: SWITCHING CHARACTERISTICS FOR XRK32308 INDUSTRIAL TEMPERATURE DEVICES[8]
PARAMETER
NAME
Cycle to Cycle Jitter^[7]
(-1, -1H, -4, -5H)
t_J
Cycle to Cycle Jitter^[7]
(-2, -3)
TEST CONDITIONS
MIN
Measured at 66.67MHz, loaded outputs,
-
15-pF load
Measured at 66.67MHz, loaded outputs,
-
30-pF load
Measured at 120MHz, loaded outputs,
-
15-pF load
Measured at 66.67MHz, loaded outputs,
-
30-pF load
Measured at 66.67MHz, loaded outputs,
-
15 pF load
TYP
MAX UNIT
75
200
ps
-
200
ps
-
100
ps
-
400
ps
-
400
ps
t_LOCK
PLL Lock Time^[7]
Stable power suppy, valid clocks
presented on REF and FB pins
-
-
1.0
ms
FIGURE 3. SWITCHING WAVEFORMS
1.4V
Duty Cycle Timing
t₁
t₂
1.4V
1.4V
Output-Output Skew
OUTPUT ^1.4V
OUTPUT
t₅
1.4V
Device-Device Skew
FB, Device 1
V_DD/2
FB, Device 2
t₇
V_DD/2
All Outputs Rise/Fall Time
OUTPUT 2.0V
0.8V
t₃
2.0V
0.8V
t₄
Input-Output Skew
INPUT ^VDD/2
FB
t₆
V_DD/2
3.3V
0V
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