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| IDT8N4S270 Datasheet, PDF (6/18 Pages) Integrated Device Technology – Fourth generation FemtoClock | |||
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IDT8N4S270 Data Sheet
LVDS FREQUENCY-PROGRAMMABLE CRYSTAL OSCILLATOR
AC Electrical Characteristics
Table 5. AC Characteristics, VDD = 3.3V ± 5% or 2.5V ± 5%, TA = -40°C to 85°C
Symbol Parameter
Test Conditions
Minimum
fOUT
Output Frequency
15.476
975
fI
Initial Accuracy
Measured @ 25°C
Option code = A or B
fS
Temperature Stability
Option code = E or F
Option code = K or L
fA
Aging
Frequency drift over 10 year life
Frequency drift over 15 year life
Option code A, B (10 year life)
fT
Total Stability
Option code E, F (10 year life)
Option code K, L (10 year life)
tjit(cc)
Cycle-to-Cycle Jitter; NOTE 1
tjit(per) RMS Period Jitter; NOTE 1
RMS Phase Jitter (Random);ï
Fractional PLL feedback andï
fXTAL=100.000MHz (2xxx order ï
codes), NOTE 2, 3
17MHz ï£ï fOUT ï£ï 1300MHz,
Integration Range: 12kHz-20MHz
500MHz ï£ï fOUT ï£ï 1300MHz,
Integration Range: 12kHz-20MHz
125MHz ï£ï fOUT ï¼ï 500MHz,
Integration Range: 12kHz-20MHz
tjit(Ã)
RMS Phase Jitter (Random);ï
Integer PLL feedback andï
fXTAL=100.00MHz (1xxx order
codes), NOTE 2, 3
17MHz ï£ï fOUT ï¼ï 125MHz,
Integration Range: 12kHz-20MHz
fOUT ï½ï 156.25MHz,
Integration Range: 12kHz-20MHz
fOUT ï½ï 231.25MHz,
Integration Range: 12kHz-20MHz
fOUT ï½ï 156.25MHz,
Integration Range: 1kHz-40MHz
fOUT ï½ï 231.25MHz,
Integration Range: 1kHz-40MHz
RMS Phase Jitter (Random)ï
Fractional PLL feedback andï
fXTAL=114.285MHz (0xxx order
codes), NOTE 2, 3
17MHz ï£ï fOUT ï£ï 1300 MHz,
Integration Range: 12kHz-20MHz
ïN(100)
Single-side Band Phase Noise, ï
100Hz from Carrier
231.25MHz
ïN(1k)
Single-side Band Phase Noise, ï
1kHz from Carrier
231.25MHz
ïN(10k)
Single-side Band Phase Noise, ï
10kHz from Carrier
231.25MHz
ïN(100k)
Single-side Band Phase Noise, ï
100kHz from Carrier
231.25MHz
ïN(1M)
Single-side Band Phase Noise, ï
1MHz from Carrier
231.25MHz
Typical
3
0.497
0.232
0.250
0.275
0.242
0.476
0.275
0.504
0.474
-88
-110
-123
-125
-137
Maximum
866.67
1,300
±10
±100
±50
±20
±3
±5
±113
±63
±33
20
5
Units
MHz
MHz
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ps
ps
0.882
ps
0.322
ps
0.450
ps
0.405
ps
0.311
ps
0.680
ps
0.359
ps
0.700
ps
0.986
ps
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
IDT8N4S270CCD REVISION A AUGUST 31, 2012
6
©2012 Integrated Device Technology, Inc.
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