MC145170D2 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC145170D2

PLL Frequency Synthesizer with Serial Interface

Freescale Semiconductor 

Electrical Characteristics

2.1 Switching Waveforms

tf

tr

90%

CLK 50%

10%

90%

Dout

50%

10%

tw

tw

1/fclk

tPLH

tPHL

tTLH

tTHL

Figure 2.

VDD

ENB

50%

VSS

tPZL

Dout

50%

tPZH

Dout

50%

tPLZ

10%

tPHZ

90%

Figure 3.

VDD

VSS

High Impedance

VDD

VSS

High Impedance

Valid

Din

50%

tsu

th

CLK

50%

Figure 4.

VDD

ENB

50%

VSS

tsu

VDD

CLK

VSS

50%

First CLK

tw(H)

VDD

VSS

th

trec

VDD

Last CLK

VSS

Figure 5.

Device

Under

Test

Test Point

CL*

* Includes all probe and fixture capacitance.

Figure 6. Test Circuit

Device

Under

Test

Test Point

7.5 kΩ

CL*

Connect to VDD

when testing tPLZ

AND tPZL. Connect

to VSS when testing

tPHZ and tPZH.

*Includes all probe and fixture capacitance.

Figure 7. Test Circuit

MC145170-2 Technical Data, Rev. 5

6

Freescale Semiconductor

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