PCK2021DGG Ver la hoja de datos (PDF) - Philips Electronics

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PCK2021DGG

CK00 (100/133 MHz) spread spectrum differential system clock generator

Philips Electronics 

Philips Semiconductors

CK00 (100/133 MHz) spread spectrum differential

system clock generator

PWRDWN

HOST CLK

(INTERNAL)

PCICLK

(INTERNAL)

PWRDWN

HOST CLK

(EXTERNAL)

PCICLK

(EXTERNAL)

OSC & VCO

USB (48 MHz)

ÁÁÁÁ

Figure 5. Power management

CRYSTAL

14.318 MHz

VDD

HOST

DUT

HOST_BAR

CL

RS

RS = 33.2 Ω

RS

CL

RP = 50 Ω

RP = 50 Ω

Figure 6. HOST CLOCK measurements

SW00671

3.3V CLOCKING

INTERFACE

2.4 V

1.5 V

0.4 V

tPERIOD

DUTY CYCLE

tHIGH

tRISE

tFALL

tLOW

Figure 7. 3.3 V clock waveforms

SW00943

Product data

PCK2021

SW00669

2001 Oct 11

12

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