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PCK2020DL Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer PCK2020DL
Beschreibung CK00 100/133MHz spread spectrum differential system clock generator
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 16 Seiten
PCK2020DL Datasheet, Funktion
INTEGRATED CIRCUITS
PCK2020
CK00 (100/133MHz) spread spectrum
differential system clock generator
Product specification
Supersedes data of 2000 Jul 25
2000 Nov 13
Philips
Semiconductors






PCK2020DL Datasheet, Funktion
Philips Semiconductors
CK00 (100/133MHz) spread spectrum
differential system clock generator
Product specification
PCK2020
HOST SWING SELECT FUNCTIONS – TABLE 1
MULTSEL0
MULTSEL1
BOARD
IMPEDANCE
IREF
0
0
60
RREF = 475 1%
IREF = –2.32 mA
0
0
50
RREF = 475 1%
IREF = –2.32 mA
0
1
60
RREF = 475 1%
IREF = –2.32 mA
0
1
50
RREF = 475 1%
IREF = –2.32 mA
1
0
60
RREF = 475 1%
IREF = –2.32 mA
1
0
50
RREF = 475 1%
IREF = –2.32 mA
1
1
60
RREF = 475 1%
IREF = –2.32 mA
1
1
50
RREF = 475 1%
IREF = –2.32 mA
0
0
30
RREF = 221 1%
IREF = –5 mA
0
0
25
RREF = 221 1%
IREF = –5 mA
0
1
30
RREF = 221 1%
IREF = –5 mA
0
1
25
RREF = 221 1%
IREF = –5 mA
1
0
30
RREF = 221 1%
IREF = –5 mA
1
0
25
RREF = 221 1%
IREF = –5 mA
1
1
30
RREF = 221 1%
IREF = –5 mA
1
1
25
RREF = 221 1%
IREF = –5 mA
NOTE:
1. In Table 1, the outputs are optimized for the configurations in bold.
IOH
IOH = 5*IREF
IOH = 5*IREF
IOH = 6*IREF
IOH = 6REF
IOH = 4*IREF
IOH = 4*IREF
IOH = 7*IREF
IOH = 7*IREF
IOH = 5*IREF
IOH = 5*IREF
IOH = 6*IREF
IOH = 6*IREF
IOH = 4*IREF
IOH = 4*IREF
IOH = 7*IREF
IOH = 7*IREF
VOH @ IREF = 2.32 mA
0.71 V
0.59 V
0.85 V
0.71 V
0.56 V
0.47 V
0.99 V
0.82 V
0.75 V
0.62 V
0.90 V
0.75 V
0.60 V
0.50 V
1.05 V
0.84 V
IOUT
IOUT
CONDITIONS
VDD = 3.3 V
VDD = 3.3 V ±5%
CONFIGURATION
All combinations,
see Table 1
All combinations,
see Table 1
LOAD
Nominal test load for given configuration
Nominal test load for given configuration
MIN.
–7% of IOH
See Table 1
–12% of IOH
See Table 1
MAX.
+7% of IOH
See Table 1
+12% of IOH
See Table 1
2000 Nov 13
6

6 Page









PCK2020DL pdf, datenblatt
Philips Semiconductors
CK00 (100/133MHz) spread spectrum
differential system clock generator
Product specification
PCK2020
AC WAVEFORMS
VM = 1.25 V @ VDDL and 1.5 V @ VDD3
VX = VOL + 0.3 V
VY = VOH –0.3 V
VOL and VOH are the typical output voltage drop that occur with the
output load.
CPUCLK
@133MHz
1.25V
3v66
@66MHz
1.5V
THPOFFSET
CPU leads 3V66
Figure 1. Host clock
VDDQ2
VSS
VDDQ3
VSS
SW00569
COMPONENT
MEASUREMENT
2.5VOLT MEASURE POINTS
POINTS
VOH = 2.0V
VDDQ2
VIH = 1.7V
1.25V
VOL = 0.4V
VIL = 0.7V
VSS
COMPONENT
MEASUREMENT
3.3VOLT MEASURE POINTS
POINTS
VOH = 2.4V
VDDQ3
VIH = 2.0V
1.5V
VOL = 0.4V
VIL = 0.7V
VSS
SYSTEM
MEASUREMENT
POINTS
SYSTEM
MEASUREMENT
POINTS
SW00570
Figure 2. 3.3 V clock waveforms
VI
SEL1,
SEL0
GND
VM
VDD
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
tPLZ
VX
tPHZ
tPZL
VM
tPZH
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
VY
VSS
Outputs
enabled
Outputs
disabled
VM
Outputs
enabled
SW00571
Figure 3. State enable and disable times
2000 Nov 13
12

12 Page





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