Philips Semiconductors
CK408 (66/100/133/200 MHz) spread
spectrum differential system clock generator
Product data
PCK2023
VDD
PULSE
GENERATOR
VI
RT
D.U.T.
VO
CL
S1
2<VDD
Open
VSS
500Ω
500Ω
PWRDWN
CPUCLK
(INTERNAL)
PCICLK
(INTERNAL)
PWRDWN
CPUCLK
(EXTERNAL)
PCICLK
(EXTERNAL)
OSC & VCO
USB (48 MHz)
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2<VDD
VSS
VDD = VDDQ2 or VDDQ3, DEPENDS ON THE OUTPUT
CL includes jig and probe capacitance
Figure 19. Load circuitry for switching times
ÁÁÁÁÁÁ
Figure 20. Power management
SW00572
SW00573
2001 Sep 07
26