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
fOUT
fI
Parameter
Test Conditions
Minimum
15.476
975
Typical
Maximum
Units
MHz
MHz
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ps
866.67
1,300
10
Output Frequency
Initial Accuracy
Measured @ 25°C
Option code = A or B
100
50
fS
fA
fT
Temperature Stability
Aging
Option code = E or F
Option code = K or L
20
Frequency drift over 10 year life
Frequency drift over 15 year life
Option code A, B (10 year life)
Option code E, F (10 year life)
Option code K, L (10 year life)
3
5
113
63
Total Stability
33
tjit(cc)
Cycle-to-Cycle Jitter; NOTE 1
RMS Period Jitter; NOTE 1
20
tjit(per)
3
5
ps
RMS Phase Jitter (Random);
Fractional PLL feedback and
fXTAL=100.000MHz (2xxx order Integration Range: 12kHz-20MHz
17MHz fOUT 1300MHz,
0.497
0.882
ps
codes), NOTE 2, 3
500MHz fOUT 1300MHz,
Integration Range: 12kHz-20MHz
0.232
0.250
0.275
0.242
0.476
0.275
0.504
0.322
0.450
0.405
0.311
0.680
0.359
0.700
ps
ps
ps
ps
ps
ps
ps
125MHz fOUT 500MHz,
Integration Range: 12kHz-20MHz
17MHz fOUT 125MHz,
Integration Range: 12kHz-20MHz
RMS Phase Jitter (Random);
Integer PLL feedback and
fXTAL=100.00MHz (1xxx order
codes), NOTE 2, 3
fOUT 156.25MHz,
Integration Range: 12kHz-20MHz
tjit(Ø)
fOUT 231.25MHz,
Integration Range: 12kHz-20MHz
fOUT 156.25MHz,
Integration Range: 1kHz-40MHz
fOUT 231.25MHz,
Integration Range: 1kHz-40MHz
RMS Phase Jitter (Random)
Fractional PLL feedback and
fXTAL=114.285MHz (0xxx order Integration Range: 12kHz-20MHz
17MHz fOUT 1300 MHz,
0.474
0.986
ps
codes), NOTE 2, 3
Single-side Band Phase Noise,
231.25MHz
N(100)
N(1k)
-88
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
100Hz from Carrier
Single-side Band Phase Noise,
231.25MHz
-110
-123
-125
-137
1kHz from Carrier
Single-side Band Phase Noise,
231.25MHz
N(10k)
N(100k)
N(1M)
10kHz from Carrier
Single-side Band Phase Noise,
231.25MHz
100kHz from Carrier
Single-side Band Phase Noise,
231.25MHz
1MHz from Carrier
IDT8N4S270CCD REVISION A AUGUST 31, 2012
6
©2012 Integrated Device Technology, Inc.