W158 데이터 시트보기 (PDF) - SpectraLinear Inc

부품명

상세내역

일치하는 목록

W158

Spread Spectrum System Frequency Synthesizer

SpectraLinear Inc 

W158

IOAPIC Clock Outputs, IOAPIC0:2 (Lump Capacitance Test Load = 20 pF)

Parameter

Description

Test Condition/Comments

Min Typ Max

f

Frequency

Note 39

16.67

tR

Output Rise Edge Rate Measured from 0.4V to 2.0V

1

4

tF

Output Fall Edge Rate

Measured from 2.0V to 0.4V

1

4

tD

Duty Cycle

Measured on rising and falling edge at 1.25V 45

55

fST

Frequency Stabilization Assumes full supply voltage reached within

3

from Power-up (cold start) 1 ms from power-up. Short cycles exist prior to

frequency stabilization.

Zo

AC Output Impedance

Average value during switching transition. Used

20

for determining series termination value.

Note:

39. IOAPIC clock is CPU/8 for CPU = 133 MHz and CPU/6 for CPU = 100 MHz.

Unit

MHz

V/ns

V/ns

%

ms

:

Rev 1.0, November 21, 2006

Page 11 of 12

Share Link: