PCK2023DGG Philips Semiconductors, PCK2023DGG Datasheet - Page 25

• Manufacturer Part Number: PCK2023DGG
• Description: CK408 66/100/133/200 MHz spread spectrum differential system clock generator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC WAVEFORMS
V
V
V
V
output load.
2001 Sep 07
CK408 (66/100/133/200 MHz) spread
spectrum differential system clock generator
M
X
Y
OL
MEASUREMENT
= V
= V
@133MHz
MEASUREMENT
= 1.25 V @ V
COMPONENT
and V
@66MHz
COMPONENT
CPUCLK
POINTS
POINTS
3v66
OL
OH
+ 0.3 V
– 0.3 V
OH
are the typical output voltage drop that occur with the
V
V
Figure 17. 3.3 V clock waveforms
DDL
OL
OL
= 0.4V
= 0.4V
T
V
V
HPOFFSET
OH
OH
and 1.5 V @ V
V
V
Figure 16. Host clock
SS
SS
1.25V
= 2.0V
= 2.4V
2.5VOLT MEASURE POINTS
3.3VOLT MEASURE POINTS
1.5V
CPU leads 3V66
DD3
V
V
1.25V
1.5V
IL
IL
V
V
= 0.7V
= 0.7V
IH
V
V
IH
DDQ2
DDQ3
= 1.7V
= 2.0V
MEASUREMENT
MEASUREMENT
V
V
V
V
SYSTEM
SYSTEM
DDQ2
SS
DDQ3
SS
SW00569
POINTS
POINTS
SW00570
25
OUTPUT
LOW-to-OFF
OFF-to-LOW
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
SEL1,
SEL0
GND
V
V
V
V
V
OL
OH
DD
SS
I
Figure 18. State enable and disable times
Outputs
enabled
V
t
t
PLZ
PHZ
M
V
X
V
Y
Outputs
disabled
t
PZL
t
PZH
PCK2023
Product data
V
M
V
M
SW00571
Outputs
enabled