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PCK2021DL Datasheet(PDF) 8 Page - NXP Semiconductors

Part # PCK2021DL
Description  CK00 100/133 MHz spread spectrum differential system clock generator
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCK2021DL Datasheet(HTML) 8 Page - NXP Semiconductors

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Philips Semiconductors
Product data
PCK2021
CK00 (100/133 MHz) spread spectrum differential
system clock generator
2001 Oct 11
8
AC ELECTRICAL CHARACTERISTICS
VDD3 = 3.3 V ±5%; fcrystal = 14.31818 MHz
Host clock outputs
Tamb = 0 to +70 °C; see Figure 1 for waveforms and Figure 6 for test setup.
LIMITS
SYMBOL
PARAMETER
133 MHz MODE
100 MHz MODE
UNITS
NOTES
MIN
MAX
MIN
MAX
tPERIOD
HOST CLK average period
7.5
7.65
10.0
10.2
ns
11, 14, 19
Abs Min Period
Absolute minimum host clock period
7.35
N/A
9.85
N/A
ns
11, 14, 19
tRISE
HOST CLK rise time
175
700
175
700
ns
11, 15, 19
tFALL
HOST CLK fall time
175
700
175
700
ps
11, 15, 19
tJITTER
HOST_CLK cycle-to-cycle jitter
150
150
ps
11, 12, 14, 19
DUTY CYCLE
Output duty cycle
45
55
45
55
%
11, 14, 19
tSKEW
HOST CLK pin-to-pin skew
150
110
ps
11, 14, 19
Vcrossover
45% VOH
55% VOH
45% VOH
55% VOH
V
11, 14, 19
REFER TO NOTES ON PAGE 10.
USB clock output, 48MHz
Tamb = 0 to +70 °C; lump capacitance test load = 20 pF
LIMITS
SYMBOL
PARAMETER
48 MHz MODE
UNITS
NOTES
MIN
MAX
f
Frequency, actual
48.000
MHz
4
fD
Deviation from 48 MHz
–0
+167
ppm
4
tRISE
3V48MHZCLK rise time
1.0
4.0
ns
8, 19
tFALL
3V48MHZCLK fall time
1.0
4.0
ns
8, 19
tJITTER
Cycle-to-cycle jitter
450
ps
17, 19
DUTY CYCLE
Output duty cycle
45
55
%
17, 19
REFER TO NOTES ON PAGE 10.
PCI Outputs
Tamb = 0 to +70 °C
SYMBOL
PARAMETER
LIMITS
UNITS
NOTES
SYMBOL
PARAMETER
MIN
MAX
UNITS
NOTES
tPERIOD
Period
30.0
N/A
ns
2, 3, 9, 19
tHIGH
High time
12.0
N/A
ns
5, 10, 19
tLOW
Low time
12.0
N/A
ns
6, 10, 19
tRISE
Rise time
0.5
2.0
ns
8, 19
tFALL
Fall time
0.5
2.0
ns
17, 19
DUTY CYCLE
Duty cycle
45
55
%
17, 19
tJITTER
Cycle-to-cycle jitter
200
ps
17, 19
tSKEW
Pin-to-pin skew
150
ps
2
REFER TO NOTES ON PAGE 10.


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