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PDF PI6C49X0204B-A Data sheet ( Hoja de datos )
| Número de pieza | PI6C49X0204B-A | |
| Descripción | 1-TO-4 LVCMOS/LVTTL Fanout Buffer | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6C49X0204B-A
Low Skew, 1-TO-4 LVCMOS/LVTTL
Fanout Buffer
Features
ÎÎFour LVCMOS / LVTTL outputs
ÎÎLVCMOS / LVTTL clock input
ÎÎCLK can accept the following input levels: LVCMOS, LVTTL
ÎÎMaximum output frequency: 200MHz
ÎÎAdditive phase jitter, RMS: 0.06ps (typical) @ 3.3V
ÎÎOutput skew: 45ps (maximum) @ 3.3V
ÎÎPart-to-part skew: 500ps (maximum)
ÎÎSmall 8 lead SOIC package saves board space
ÎÎ3.3V core supply, 3.3V or 2.5V output supply
ÎÎ0°C to 70°C ambient operating temperature
Description
The PI6C49X0204B-A is a low skew, 1-to-4 Fanout Buffer.
Guaranteed output and part-to-part skew characteristics make the
PI6C49X0204B-A ideal for those clock distribution applications
demanding well defined performance and repeatability.
Block Diagram
Pin Assignment
CLK Pulldown
Q0
VDDO
1
8 Q3
Q1
VDD 2
7 Q2
CLK 3
6 Q1
Q2
GND
4
5 Q0
Q3
13-0148
1 www.pericom.com PI6C49X0204B-A Rev A 12/05/13
1 page  
PI6C49X0204B-A
Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer
AC CHARACTERISTICS, VDD = 3.3V ± 5%, TA = 0°C to 70°C
Symbol
Parameter
Conditions
Min. Typ. Max. Units
fMAX
tpLH
tsk(o)
Output Frequency
Propagation Delay, Low-to-High;
NOTE 1
Output Skew; NOTE 2
VDDO = 3.3V
VDDO = 2.5V
VDDO = 3.3V, IJ
200MHz
VDDO = 2.5V, IJ
200MHz
200 MHz
200
1.9 2.35 2.8
2.3 3.3
ns
25 100 ps
tsk(pp)
Part-to-Part Skew; NOTE 3
250 500
ps
VDDO = 3.3V
280
800
tR
Output Rise Time NOTE 4
VDDO = 2.5V
280
ps
850
VDDO = 3.3V
280
800
tF
Output Fall Time NOTE 4
VDDO = 2.5V
280
ps
850
VDDO = 3.3V, IJ
133MHz
45
55 %
odc Output Duty Cycle
VDDO = 3.3V, 133MHz
< IJ 200MHz
VDDO = 2.5V, IJ
133MHz
40
45
60 %
55 %
VDDO = 2.5V, 133MHz
< IJ 200MHz
40
60 %
tjit Additive RMS Jitter
156.25MHz (@12kHz to
20MHz)
125MHz (@12kHz to
20MHz)
0.06
0.04
ps
ps
Parameters measured at f MAX unless otherwise noted.
NOTE 1: Measured from VDD /2 of the input to VDDO /2 of the output.
NOTE 2: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO /2.
NOTE 3: Defined as skew between outputs on different devices operating at the same supply voltages and with equal load
conditions. Using the same type of inputs on each device, the outputs are measured at VDDO /2.
NOTE 4: Defined from 20% to 80%
13-0148
5 www.pericom.com PI6C49X0204B-A Rev A 12/05/13
5 Page | ||
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