ICS853031 datasheet(13/19 Pages) ICST

Il numero della parte	ICS853031

Spiegazioni elettronici	LOW SKEW, 1-TO-9 DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER

PDF	19 Pages

Scroll/Zoom	100%

Produttore elettronici	ICST [Integrated Circuit Systems]

Homepage	http://www.icst.com

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13 / 19 page

853031AY

www.icst.com/products/hiperclocks.html

REV. B SEPTEMBER 16, 2004

Integrated

Circuit

Systems, Inc.

ICS853031

LOW SKEW, 1-TO-9

DIFFERENTIAL-TO-2.5V/3.3V LVPECL/ECL FANOUT BUFFER

APPLICATION SCHEMATIC EXAMPLE

82.5

nQ8

Zo = 50 Ohm

(U1-32)

Zo = 50 Ohm

3.3V

VCCO

0.1uF

(U1-17)

Zo = 50 Ohm

R10

VCC = 3.3V

CLK_SEL

Optional

Y-Termination

Zo = 50 Ohm

0.1uF

LVPECL

(U1-9)

133

0.1uF

133

R11

VCCO = 3.3V

82.5

(U1-25)

nQ0

VCCO = 3.3V

VCC = 3.3V

(U1-24)

(U1-16)

0.1uF

Zo = 50 Ohm

ICS853031

VCC

CLK

nCLK

CLK_SEL

PCLK

nPCLK

VEE

CLK_EN

VCCO

nQ5

nQ4

nQ3

VCCO

Figure 7 shows an example of ICS853031 application schematic.

In this example, the device is operated at V

CC=3.3V. The

decoupling capacitor should be located as close as possible to

the power pin. The input is driven by a 3.3V LVPECL driver. Only

two terminations examples are shown in this schematic. For

more termination approaches, please refer to the LVPECL Ter-

mination Application Note.

FIGURE 7. ICS853031 SCHEMATIC EXAMPLE

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