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XRK32309 Datasheet, PDF (8/13 Pages) Exar Corporation – LOW-COST 3.3V ZERO DELAY BUFFER
XRK32309
PRELIMINARY
LOW-COST 3.3V ZERO DELAY BUFFER
REV. P1.0.1
TABLE 10: SWITCHING CHARACTERISTICS FOR XRK32309SI-1 INDUSTRIAL TEMPERATURE DEVICES[7]
PARAMETER
NAME
TEST CONDITIONS
MIN
TYP
MAX UNIT
t1
Output Frequency
30-pF load
10-pF load
DC
Duty Cycle[6] = t2 ÷ t1
Measured at 1.4V, FOUT=66.67MHz
t3
Rise Time[6]
Measured between 0.8V and 2.0V
t4
Fall Time[6]
Measured between 0.8V and 2.0V
t5
Output to Output Skew[6] All outputs equally loaded
t6A
Delay, REF Rising Edge to Measured at VDD/2
FB Rising Edge[6]
10
-
100 MHz
10
120 MHz
40.0 50.0 60.0
%
-
-
2.50 ns
-
-
2.50 ns
-
-
250
ps
-
0
±350 ps
t6B
Delay, REF Rising Edge to Measured at VDD/2. Measured in PLL
1
5
8.7
ns
FB Rising Edge[6]
Bypass Mode
t7
Device to Device Skew[6] Measured at VDD/2 on the FB pins of
devices
-
0
700
ps
tJ
Cycle to Cycle Jitter[6]
Measured at 66.67MHz, loaded outputs
-
tLOCK
PLL Lock Time[6]
Stable power suppy, valid clock
-
presented on REF pin
-
200
ps
-
1.0
ms
TABLE 11: SWITCHING CHARACTERISTICS FOR XRK32309SI-1H INDUSTRIAL TEMPERATURE DEVICES[7]
PARAMETER
NAME
TEST CONDITIONS
MIN
TYP
MAX UNIT
t1
Output Frequency
30-pF load
10-pF load
10
-
100 MHz
10
120 MHz
Measured at 1.4V, FOUT=66.67MHz
DC
Duty Cycle[6] = t2 ÷ t1
Measured at 1.4V, FOUT<50.0MHz
t3
Rise Time[6]
Measured between 0.8V and 2.0V
40.0 50.0 60.0
%
45.0 50.0 55.0
%
-
-
1.50 ns
t4
Fall Time[6]
Measured between 0.8V and 2.0V
-
-
1.50 ns
t5
Output to Output Skew[6] All outputs equally loaded
-
-
250
ps
t6A
Delay, REF Rising Edge to Measured at VDD/2
FB Rising Edge[6]
-
0
±350 ps
t6B
Delay, REF Rising Edge to Measured at VDD/2. Measured in PLL
1
5
8.7
ns
FB Rising Edge[6]
Bypass Mode
t7
Device to Device Skew[6] Measured at VDD/2 on the FB pins of
devices
-
0
700
ps
t8
Output Slew Rate[6]
Measured between 0.8V and 2.0V using
1
-
-
v/ns
Test Circuit #2
8