PCK2020 查看數據表（PDF） - Philips Electronics
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PCK2020 Datasheet PDF : 16 Pages
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Philips Semiconductors
CK00 (100/133MHz) spread spectrum
differential system clock generator
Product specification
PCK2020
AC CHARACTERISTICS
VDD3 = 3.3 V –5%; fcrystal = 14.31818 MHz
HOST CLOCK OUTPUTS (SEE FIGURE 1 FOR WAVEFORMS AND FIGURE 6 FOR TEST SETUP)
SYMBOL
PARAMETER
LIMITS
Tamb = 0°C to +70°C
133 MHz MODE
100 MHZ MODE
UNITS NOTES
MIN
MAX
MIN
MAX
TPKP
HOST CLK period
7.5
AbsMinPeriod Absolute Minimum Host CLK Period
7.35
7.65
N/A
10.0
9.85
10.2
ns
11, 14, 20
N/A
ns
11, 14, 20
TRISE
HOST CLK rise time
175
700
175
700
ps
11, 15, 20
TFALL
HOST CLK fall time
175
700
175
700
ps
11, 15, 20
TJITTER
HOST CLK cycle-to-cycle jitter
200
200
ps 11, 12, 14, 20
DUTY CYCLE
Output duty cycle
45
55
45
55
%
11, 14, 20
TSKEW
Rise/Fall Matching
HOST CLK pin-to-pin skew
Rise and fall time matching
150
35%
150
35%
ps
11, 14, 20
11, 16, 20
Vcrossover
45% VOH
60% VOH
45% VOH
60% VOH
V
11, 14, 20
MREF OUTPUTS
SYMBOL
PARAMETER
TPKP
TPKH
TPKL
TRISE
TFALL
TJITTER
DUTY CYCLE
3V66 OUTPUTS
MREF period
MREF HIGH time
MREF LOW time
MREF rise time
MREF fall time
Cycle-to-cycle jitter
Output Duty Cycle
SYMBOL
PARAMETER
TPKP
TPKH
TPKL
TRISE
TFALL
TJITTER
DUTY CYCLE
TSKEW
3V66 period
3V66 HIGH time
3V66 LOW time
3V66 rise time
3V66 fall time
Cycle-to-cycle jitter
Output Duty Cycle
Pin-to-pin skew
LIMITS
Tamb = 0°C to +70°C
133 MHz MODE
100 MHz MODE
MIN
MAX
MIN
MAX
15.0
15.3
20.0
20.4
5.25
N/A
7.5
N/A
5.05
N/A
7.3
N/A
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
250
250
45
55
45
55
UNITS NOTES
ns
2, 9, 20
ns
5, 10, 20
ns
6, 10, 20
ns
8, 20
ns
8, 20
ps
18, 20
%
18, 20
LIMITS
Tamb = 0°C to +70°C
133 MHz MODE
100 MHz MODE
MIN
MAX
MIN
MAX
15.0
16.0
15.0
16.0
5.25
N/A
5.25
N/A
5.05
N/A
5.05
N/A
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
300
300
45
55
45
55
250
250
UNIT
NOTES
ns
2, 4, 9, 20
ns
5, 10, 20
ns
6, 10, 20
ns
8, 20
ns
8, 20
ps
18, 20
%
18, 20
ps
20
2000 Nov 13
9
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