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PDF PI6C49X0202 Data sheet ( Hoja de datos )
| Número de pieza | PI6C49X0202 | |
| Descripción | 1-To-2 LVCMOS / LVTTL Fanout Buffer | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6C49X0202
Low Skew, 1-To-2 LVCMOS / LVTTL Fanout Buffer
Features
ÎÎ2 LVCMOS / LVTTL outputs
ÎÎLVCMOS / LVTTL clock input accepts LVCMOS or LVTTL
input levels
ÎÎMaximum output frequency: 250MHz
ÎÎOutput skew: 25ps (typical)
ÎÎPart-to-part skew: 250ps (typical)
ÎÎSmall 8 lead SOIC package saves board space
ÎÎFull 3.3V, 2.5V operation modes
ÎÎ-40°C to 85°C ambient operating temperature
ÎÎLead-Free package fully RoHS compliant
Description
The PI6C49X0202 is a low skew, 1-to-2 LVCMOS/LVTTL
High Performance Fanout Buffer. The PI6C49X0202 has a
single ended clock input. The single ended clock input accepts
LVCMOS or LVTTL input levels. The PI6C49X0202 features a
pair of LVCMOS/LVTTL outputs. Guaranteed output and part-to-
part skew characteristics make the PI6C49X0202 ideal for clock
distribution applications demanding well defined performance
and repeatibility.
Block Diagram
Pin Assignment
CLK
VDDO
1
8 Q0
Q0
VDD
2
7 GND
CLK 3
6 VDDO
Q1
GND
4
5 Q1
15-0055
1 www.pericom.com PI6C49X0202 RevC 04/29/15
1 page  
PI6C49X0202
Low Skew, 1-To-2 LVCMOS / LVTTL Fanout Buffer
AC CHARACTERISTICS, VDD = 3.3V ± 5%, TA = -40°C to 85°C
Symbol
Parameter
Conditions
Min. Typ. Max. Units
fMAX Output Frequency
VDDO = 3.3V
VDDO = 2.5V
4
4
250 MHz
250
tpLH
Propagation Delay, Low-to-High;
NOTE 1
VDDO = 3.3V, IJ
250MHz
VDDO = 2.5V, IJ
250MHz
1.4
1.5
2.2
ns
3.0
tsk(o)
Output Skew; NOTE 2
25 80 ps
tsk(pp)
Part-to-Part Skew; NOTE 3
250 800
ps
VDDO = 3.3V
100 300 400
tR
Output Rise Time NOTE 4
VDDO = 2.5V
100 350 500
ps
VDDO = 3.3V
100 300 400
tF
Output Fall Time NOTE 4
VDDO = 2.5V
100 350 500
ps
IJ 133MHz
48
52 %
odc
Output Duty Cycle NOTE 5
133MHz < IJ 200MHz 47
53 %
200MHz < IJ 250MHz 47
53 %
tjit Additive RMS Jitter
156.25MHz (@12kHz to
20MHz)
125MHz (@12kHz to
20MHz)
0.1
0.07
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%
NOTE 5: Measured at VDDO /2
15-0055
5 www.pericom.com PI6C49X0202 RevC 04/29/15
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PI6C49X0202.PDF ] | |
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