ICS853001 データシートの表示（PDF） - Integrated Circuit Systems

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ICS853001

1:1, DIFFERENTIAL LVPECL-TO-2.5V, 3.3V, 5V LVPECL/ECL BUFFER

Integrated Circuit Systems 

Integrated

Circuit

Systems, Inc.

ICS853001

1:1, DIFFERENTIAL LVPECL-TO-

2.5V, 3.3V, 5V LVPECL/ECL BUFFER

APPLICATION INFORMATION

WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LVCMOS LEVELS

Figure 1A shows an example of the differential input that can

be wired to accept single ended LVCMOS levels. The reference

voltage level VBB generated from the device is connected to

the negative input. The C1 capacitor should be located as close

as possible to the input pin.

VCC

Single Ended Clock Input

V_REF

C1

0.1u

R1

1K

PCLK

nPCLK

R2

1K

FIGURE 1A. SINGLE ENDED LVCMOS SIGNAL DRIVING DIFFERENTIAL INPUT

WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LVPECL LEVELS

Figure 1B shows an example of the differential input that can voltage level VBB generated from the device is connected to

be wired to accept single ended LVPECL levels. The reference the negative input.

C1

0.1u

CLK_IN

VCC

PCLK

VBB

nPCLK

853001AG

FIGURE 1B. SINGLE ENDED LVPECL SIGNAL DRIVING DIFFERENTIAL INPUT

www.icst.com/products/hiperclocks.html

7

REV. A JANUARY 29, 2005

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