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PDF PI6C49X0201 Data sheet ( Hoja de datos )
| Número de pieza | PI6C49X0201 | |
| Descripción | 1-To-1 Differential-to-LVCMOS/LVTTL Translator | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6C49X0201
1-To-1 Differential-to-LVCMOS/LVTTL Translator
Features
ÎÎOne LVCMOS/LVTTL output
ÎÎDifferential CLK/nCLK input pair
ÎÎCLK/nCLK pair can accept the following differential input
levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
ÎÎOutput frequency: 360MHz
ÎÎPart-to-part skew: 500ps (maximum)
ÎÎAdditive phase jitter, RMS: 0.09ps (typical), 3.3V output
ÎÎFull 3.3V and 2.5V operating supply
ÎÎ-40°C to 85°C ambient operating temperature
Description
The PI6C49X0201 is a 1-to-1 Differential-to-LVCMOS/LVTTL
Translator High Performance Buffer. The differential input is
highly flexible and can accept LVPECL, LVDS, LVHSTL, SSTL,
and HCSL. The small 8-lead SOIC footprint makes this device
ideal for use in applications with limited board space.
Block Diagram
Pin Assignment
CLK Pulldown
nCLK Pullup
nc 1
8 VDD
Q0
CLK 2
7 Q0
nCLK
3
6 nc
nc 4
5 GND
13-0112
1 www.pericom.com PI6C49X0201 Rev A
07/16/13
1 page  
PI6C49X0201
1-TO-1 Differential- To-LVCMOS/LVTTL Translator
Application Information
Wiring the differential input to accept single ended levels
Figure 1 shows how the differential input can be wired to accept single ended levels. The reference voltage V_REF = VDD/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit should be located as close as possible to the input pin. The ratio of
R1 and R2 might need to be adjusted to postion the V_REF in the center of the input voltage swing. For example, if the input clock
swing is only 2.5V and VDD = 3.3V, V_REF should be 1.25V and R1/R2 = 0.609.
Single Ended
Clock Input
VDD
R1
1K
CLK
C1
0.1µ
R2
1K
nCLK
Figure 1. Single-ended input to Differential input device
Thermal Information
Symbol
ΘJA
ΘJC
Description
Junction-to-ambient thermal resistance
Junction-to-case thermal resistance
Condition
Still air
157 °C/W
42 °C/W
13-0112
5 www.pericom.com PI6C49X0201 Rev A
07/16/13
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PI6C49X0201.PDF ] | |
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