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PDF PI6C5916004 Data sheet ( Hoja de datos )
| Número de pieza | PI6C5916004 | |
| Descripción | 6 GHz 1:4 LVPECL Fanout Buffer | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6C5916004
6 GHz 1:4 LVPECL Fanout Buffer with Internal Termination
Features
ÎÎInput Clock Frequency up to 6 GHz Typical
ÎÎ4 pairs of differential LVPECL outputs
ÎÎLow additive jitter, < 0.05ps (max)
ÎÎInput CLK accepts: LVPECL, LVDS, CML, SSTL input level
ÎÎOutput to Output skew: <20ps
ÎÎOperating Temperature: -40oC to 85oC
ÎÎPower supply: 3.3V ±10% or 2.5V ±5%
ÎÎPackaging (Pb-free & Green)
ÎÎ16-pin TQFN available
Description
The PI6C5916004 is a high-performance low-skew 1-to-4 LVPECL
fanout buffer. The CLK inputs accept LVPECL, LVDS, CML and
SSTL signals. PI6C5916004 is ideal for clock distribution applica-
tions such as providing fanout for low noise Pericom oscillators.
Block Diagram
Pin Configuration
REF_IN+
VTH
REF_IN-
EN
D
Q
LE
Q0+
Q0- 16 15 14 13
Q1+
Q1-
Q1+ 1
12 REF_IN+
Q2+
Q2-
Q1- 2
Q3+ Q2+ 3
Q3- Q2- 4
11 VTH
10 VREF-AC
9 REF_IN-
5678
14-0181
1
PI6C5916004 Rev C
10/27/2014
1 page  
Phase Noise Plots
PI6C5916004
6 GHz 1:4 LVPECL Fanout Buffer with Internal Termination
Configuration Test Load Board Termination for LVPECL Outputs
14-0181
5
PI6C5916004 Rev C
10/27/2014
5 Page 
PI6C5916004
6 GHz 1:4 LVPECL Fanout Buffer with Internal Termination
Thermal calculation example
To calculate Tj and Tc of PI6CV304 in an SOIC-8 package:
Step 1: Go to Pericom web to find Ja=157 C/W, Jc=42 C/W
http://www.pericom.com/support/packaging/packaging-me-
chanicals-and-thermal-characteristics/
Step 2: Go to device datasheet to find Idd=40mA max.
Step 3: P_total= 3.3Vx40mA=0.132W
Step 4: If Ta=85C
Tj= 85 + Ja xP_total= 85+25.9 = 105.7C
Tc= Tj + Jc xP_total= 105.7- 5.54 = 100.1C
Note:
The above calculation is directly using Idd current without sub-
tracting the load power, so it is a conservative estimation. For
more precise thermal calculation, use P_unload or P_chip from
device Iee or GND current to calculate Tj, especially for LVPECL
buffer ICs that have a 150ohm pull-down and equivalent 100ohm
differential RX load.
14-0181
11
PI6C5916004 Rev C
10/27/2014
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet PI6C5916004.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI6C5916004 | 6 GHz 1:4 LVPECL Fanout Buffer | Pericom Semiconductor |
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