MB88151A データシートの表示（PDF） - Cypress Semiconductor

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MB88151A

Spread Spectrum Clock Generator

Cypress Semiconductor 

MB88151A

17. Oscillation Circuit

The figure below shows the connection example about general resonator. The oscillation circuit has the built-in resistance (Rf). The

value of capacity (C1 and C2) is required adjusting to the most suitable value of individual resonator.

The most suitable value is different by individual resonator. Please refer to the resonator manufacturer which you use for the most

suitable value.

Input the clock to XIN pin, and do not connect anything with XOUT pin if you use the external clock (you do not use the resonator).

■ When using the resonator

XIN Pin

Rf (1 MΩ)

MB88151A LSI Internal

XOUT Pin

MB88151A LSI External

C1

C2

■ When using an external clock

XIN Pin

Rf (1 MΩ)

MB88151A LSI Internal

XOUT Pin

External clock

MB88151A LSI External

OPEN

Note : Note that a jitter characteristic of an input clock may cause an affect a cycle-cycle jitter characteristic.

Document Number: 002-08311 Rev. *B

Page 20 of 26

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