PRELIMINARY
REV. P1.0.1
XRK32309
LOW-COST 3.3V ZERO DELAY BUFFER
T
ABLE
11: S
WITCHING
C
HARACTERISTICS FOR
XRK32309SI-1H I
NDUSTRIAL
T
EMPERATURE
D
EVICES[7]
P
ARAMETER
t
J
t
LOCK
N
AME
Cycle to Cycle Jitter
[6]
PLL Lock Time
[6]
T
EST
C
ONDITIONS
Measured at 66.67MHz, loaded outputs
Stable power suppy, valid clock
presented on REF pin
M
IN
-
-
T
YP
-
-
M
AX
200
1.0
U
NIT
ps
ms
F
IGURE
4. S
WITCHING
W
AVEFORMS
All Outputs Rise/Fall Time
Duty Cycle Timing
t
1
t
2
1.4V
1.4V
1.4V
OUTPUT
2.0V
0.8V
t
3
2.0V
0.8V
t
4
3.3V
0V
Output-Output Skew
Input-Output Propagation Delay
OUTPUT
OUTPUT
1.4V
1.4V
t
5
INPUT
OUTPUT
V
DD
/2
V
DD
/2
t
6
Device-Device Skew
FB, Device 1
FB, Device 2
V
DD
/2
V
DD
/2
t
7
F
IGURE
5. T
EST
C
IRCUIT
Test Circuit #1
V
DD
0.1µF
Outputs
QAx/QBx
C
LOAD
V
DD
0.1µF
GND
GND
0.1µF
GND
GND
V
DD
0.1µF
Test Circuit #2
V
DD
Outputs
1KΩ
10pF
1KΩ
For parameters t
8
(output slew rate) on -1H devices.
9
EXAR [ EXAR CORPORATION ]
