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ICS83904-02 Datasheet, PDF (7/15 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-4 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
ICS83904-02
LOW SKEW, 1-TO-4, CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
TABLE 6E. AC CHARACTERISTICS, VDD = 2.5V ± 5%, VDDO = 1.8V±0.2V, TA = 0°C TO 70°C
Symbol Parameter
Test Conditions
Minimum Typical Maximum Units
fMAX
tpLH
tsk(o)
w/external XTAL
Output Frequency
w/external CLK
Propagation Delay, Low-to-High;
NOTE 1
Output Skew; NOTE 2
12
38.88 MHz
200
MHz
1.7
2.5
3.3
ns
40
ps
tsk(pp) Part-to-Part Skew; NOTE 2, 3
700
ps
tjit(Ø)
RMS Phase Jitter, Random;
NOTE 2, 4
25MHz, Integration Range:
100Hz - 1MHz
0.19
ps
tR / tF
Output Rise/Fall Time
20% to 80%
100
odc
Output
Duty Cycle
w/external XTAL
w/external CLK
ƒ< 150MHz
45
46
1000
ps
55
%
54
%
tEN
Output Enable Time; NOTE 5
10
ns
tDIS
Output Disable Time; NOTE 5
10
ns
NOTE 1: Measured from V /2 of the input to V /2 of the output.
DD
DDO
NOTE 2: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 3: Defined as skew between outputs on different devices operating a the same supply voltages and
with equal load conditions. Using the same type of input on each device, the output is measured at VDDO/2.
NOTE 4: Phase jitter is dependent on the input source used.
NOTE 5: These parameters are guaranteed by characterization. Not tested in production.
IDT™ / ICS™ LVCMOS/LVTTL FANOUT BUFFER
7
ICS83904AG-02 REV. A SEPTEMBER 12, 2007