HD74CDC857 Datasheet, PDF(5/12 Page) Hitachi Semiconductor – 3.3/2.5-V Phase-lock Loop Clock Driver

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HD74CDC857 Datasheet, PDF (5/12 Pages) Hitachi Semiconductor – 3.3/2.5-V Phase-lock Loop Clock Driver

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VTR

VCP

CLK

VID

Crossing point

Figure 1-1 Differential input levels

HD74CDC857

VDDQ

GND

VDDQ

Vref*4

GND

Figure 1-2 Single input levels

CLK

Vref

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