參數(shù)資料
型號: PCK2014ADL
廠商: NXP SEMICONDUCTORS
元件分類: XO, clock
英文描述: CK98 100/133 MHz spread spectrum system clock generator
中文描述: 133 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封裝: 7.50 MM, PLASTIC, SSOP-56
文件頁數(shù): 12/16頁
文件大?。?/td> 105K
代理商: PCK2014ADL
Philips Semiconductors
Product specification
PCK2014A
CK98 (100/133 MHz) spread spectrum
system clock generator
2001 Apr 02
12
AC WAVEFORMS
V
M
= 1.25 V @ V
DDQ2
and 1.5 V @ V
DDQ3
V
X
= V
OL
+ 0.3 V
V
Y
= V
OH
–0.3 V
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
CPUCLK
@133MHz
1.5V
1.25V
V
DDQ2
V
SS
V
DDQ3
V
SS
T
HPOFFSET
SW00354
3v66
@66MHz
CPU leads 3V66
Figure 1. CPUCLK to 3V66 offset
1.5V
1.5V
PCICLK
@ 33MHz
V
DDQ3
V
SS
V
DDQ3
V
SS
T
HPOFFSET
SW00356
3V66 leads PCICLK
3V66
@ 66MHz
Figure 2. 3V66 to PCI offset
CPUCLK
@ 133MHz
1.25V
1.25V
IOAPIC
@ 16.6MHz
V
DDQ2
V
SS
V
DDQ2
V
SS
T
HPOFFSET
SW00357
CPUCLK leads IOAPIC
Figure 3. CPU to IOAPIC offset
T
DUTY CYCLE
T
HKH
T
RISE
T
FALL
T
HKL
T
PKP
T
PKH
T
RISE
T
FALL
T
PKL
2.5V CLOCKING
INTERFACE
3.3V CLOCKING
INTERFACE
(TTL)
2.0
1.25
0.4
2.4
1.5
0.4
SW00242
Figure 4. 2.5V/3.3V clock waveforms
V
DDQ2
2.5 V MEASUREMENT POINTS
V
OH
= 2.0 V
1.25 V
V
OL
= 0.4 V
V
SS
SYSTEM
MEASUREMENT
POINTS
V
DDQ3
3.3 V MEASUREMENT POINTS
V
OH
= 2.4 V
1.5 V
V
OL
= 0.4 V
V
SS
COMPONENT
MEASUREMENT
POINTS
SYSTEM
MEASUREMENT
POINTS
COMPONENT
MEASUREMENT
POINTS
SW00822
Figure 5. Component versus system measure points
t
PLZ
t
PZL
V
I
SEL133/100,
SEL1, SEL0
GND
V
DD
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
V
SS
outputs
enabled
outputs
enabled
outputs
disabled
t
PHZ
V
M
V
M
V
M
t
PZH
V
X
V
Y
SW00454
Figure 6. 3-State enable and disable times
相關(guān)PDF資料
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PCK2020 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CK00 100/133MHz spread spectrum differential system clock generator
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