9FGV0641 Datasheet, PDF (8/15 Pages) Integrated Device Technology – 54mW typical power consumption

9FGV0641 DATASHEET
Electrical Characteristics–REF
TA = T_AMB; Supply Voltages per normal operation conditions, See Test Loads for Loading Conditions
PARAMETER
SYMBOL
CONDITIONS
MIN
Long Accuracy
ppm
see Tperiod min-max values
Clock period
T_period
25 MHz output
Rise/Fall Slew Rate
t_rf1
Byte 3 = 1F, 20% to 80% of VDDREF
0.6
Rise/Fall Slew Rate
t_rf1
Byte 3 = 5F, 20% to 80% of VDDREF
0.9
Rise/Fall Slew Rate
t_rf1
Byte 3 = 9F, 20% to 80% of VDDREF
1.1
Rise/Fall Slew Rate
t_rf1
Byte 3 = DF, 20% to 80% of VDDREF
1.1
Duty Cycle
d_t1X
V_T = VDD/2 V
45
Duty Cycle Distortion
d_tcd
V_T = VDD/2 V
0
Jitter, cycle to cycle
t_jcyc-cyc
V_T = VDD/2 V
Noise floor
t_jdBc1k
1kHz offset
Noise floor
t_jdBc10k
10kHz offset to Nyquist
TYP
0
40
1
1.4
1.7
1.8
49.1
2
19.1
-129.8
-143.6
MAX
1.6
2.2
2.7
2.9
55
4
250
-105
-115
Jitter, phase
t_jphREF
12kHz to 5MHz
0.63
1.5
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is trimmed to 25.00 MHz}
3 _{Default SMBus Value}
4 _{When driven by a crystal.}
5 _{When driven by an external oscillator via the X1 pin, X2 should be floating.}
UNITS
ppm
ns
V/ns
V/ns
V/ns
V/ns
%
%
ps
dBc
dBc
ps
(rms)
Notes
1,2
2
1
1,3
1
1
1,4
1,5
1,4
1,4
1,4
1,4
Clock Periods–Differential Outputs with Spread Spectrum Disabled
SSC OFF
DIF
Center
Freq.
MHz
100.00
Measurement Window
1 Clock
1us
0.1s
0.1s
0.1s
-c2c jitter
-SSC
- ppm
AbsPer ^{Short-Term Long-Term}
Min
Average Average
Min
Min
0 ppm
Period
Nominal
+ ppm
Long-Term
Average
Max
9.94900
9.99900 10.00000 10.00100
1us
+SSC
Short-Term
Average
Max
1 Clock
+c2c jitter Units Notes
AbsPer
Max
10.05100 ns 1,2
Clock Periods–Differential Outputs with Spread Spectrum Enabled
SSC ON
DIF
Center
Freq.
MHz
99.75
Measurement Window
1 Clock
1us
0.1s
0.1s
0.1s
-c2c jitter
AbsPer
-SSC
Short-Term
- ppm
Long-Term
Min
Average Average
Min
Min
0 ppm
Period
Nominal
+ ppm
Long-Term
Average
Max
9.94906 9.99906 10.02406 10.02506 10.02607
1us
+SSC
Short-Term
Average
Max
10.05107
1 Clock
+c2c jitter Units Notes
AbsPer
Max
10.10107 ns 1,2
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy specifications are guaranteed with the assumption that the crystal input is tuned to exactly 14.31818MHz.}
Clock Periods–Single-ended Outputs
SSC OFF
Center
Freq.
MHz
1 Clock
1us
Measurement Window
0.1s
0.1s
0.1s
-SSC
- ppm
-c2c jitter
AbsPer
Short-Term
Average
Long-Term
Average
Min
Min
Min
0 ppm
Period
Nominal
+ ppm
Long-Term
Average
Max
REF
25.000 39.79880
39.99880 40.00000 40.00120
1us
1 Clock
+SSC
Short-Term
Average
Max
+c2c jitter Units Notes
AbsPer
Max
40.20120 ns 1,2
6-O/P 1.8V PCIE GEN 1-2-3 CLOCK GENERATOR W/ZO=100OHMS
8
REVISION A 10/01/14