PCK2022RA Datasheet, PDF (8/14 Pages) NXP Semiconductors – CK00 (100/133 MHz) spread spectrum differential system clock generator

Philips Semiconductors
CK00 (100/133 MHz) spread spectrum differential
system clock generator
Product data
PCK2022RA
AC ELECTRICAL CHARACTERISTICS
V_DD3 = 3.3 V ±5%; f_crystal = 14.31818 MHz
Host clock outputs
T_amb = 0 to +70 °C; see Figure 1 for waveforms and Figure 6 for test setup.
LIMITS
SYMBOL
PARAMETER
133 MHz MODE
100 MHz MODE
MIN
MAX
MIN
MAX
t_PKP
HOST CLK average period
7.5
7.65
10.0
10.2
Abs Min Period Absolute minimum host clock period
7.35
N/A
9.85
N/A
t_RISE
t_FALL
t_JITTER
DUTY CYCLE
HOST CLK rise time
HOST CLK fall time
HOST_CLK cycle-to-cycle jitter
Output duty cycle
175
700
175
700
175
700
175
700
—
150
—
150
45
55
45
55
t_SKEW
Rise/Fall Match-
ing
HOST CLK pin-to-pin skew
Rise and Fall time matching
—
150
—
150
—
20%
—
20%
V_crossover
REFER TO NOTES ON PAGE 9.
40% V_OH 55% V_OH 40% V_OH 55% V_OH
UNITS
NOTES
ns
11, 14, 20
ns
11, 14, 20
ns
11, 15, 20
ps
11, 15, 20
ps 11, 12, 14, 20
%
11, 14, 20
ps
11, 14, 20
11, 16, 20
V
11, 14, 20
IOCLK outputs
T_amb = 0 to +70 °C
SYMBOL
PARAMETER
t_PKP
IOCLK period
t_PKH
IOCLK HIGH time
t_PKL
IOCLK LOW time
t_RISE
IOCLK rise time
t_FALL
IOCLK fall time
t_JITTER
Cycle-to-cycle jitter
DUTY CYCLE Output duty cycle
REFER TO NOTES ON PAGE 9.
LIMITS
33 MHz MODE
66 MHz MODE
MIN
MAX
MIN
MAX
30.0
N/A
15.0
N/A
12.0
N/A
6.0
N/A
12.0
N/A
6.0
N/A
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
—
200
—
200
45
55
45
55
UNITS
NOTES
ns
2, 3, 9, 20
ns
5, 10, 20
ns
6, 10, 20
ns
8, 20
ns
8, 20
ps
18, 20
%
18, 20
USB clock output, 48MHz
T_amb = 0 to +70 °C; lump capacitance test load = 20 pF
SYMBOL
PARAMETER
f
Frequency, actual
f_D
t_HKL
t_RISE
t_FALL
t_JITTER
DUTY CYCLE
Deviation from 48 MHz
3V48MHZCLK LOW time
3V48MHZCLK rise time
3V48MHZCLK fall time
Cycle-to-cycle jitter
Output duty cycle
REFER TO NOTES ON PAGE 9.
LIMITS
48 MHz MODE
MIN
MAX
48.08
+167
5.05
N/A
1.0
4.0
1.0
4.0
—
250
45
55
UNITS
MHz
ppm
ns
ns
ns
ps
%
NOTES
4
4
20
8, 20
8, 20
18, 20
18, 20
2003 Jul 31
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