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參數資料
| 型號： | S1577AAAB-139.2640(T) |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | VCXO, CLOCK, 139.264 MHz, LVPECL OUTPUT |
| 封裝： | GREEN, CERAMIC PACKAGE-6 |
| 文件頁數： | 2/7頁 |
| 文件大小： | 1049K |
| 代理商： | S1577AAAB-139.2640(T) |
2
DS 234 Rev C | 06/19/06
S1577 Series
3.3V PECL High-Frequency
Voltage-Controlled Crystal Oscillator (VCXO)
Pericom Semiconductor Corporation 1-800-435-2336 http://www.pericom.com/saronix
All specifications are subject to change without notice.
Frequency Modulation (Control Voltage) Function
Parameter
Min.
Typ.
Max.
Units
Notes
Absolute pull range (APR)
±50
ppM
See #1 below
Control voltage range
0.3
3.0
VDC
As rated
Center control voltage
1.32
1.65
1.98
V
For RMT nominal frequency FN
Monotonic linearity
10
%
Positive transfer slope
Input impedance
50
kΩ
Control voltage pin
Modulation bandwidth
10
kHz
-3dB
Notes:
1. APR is relative to the nominal output frequency FN (as specified); APR is inclusive (net) of frequency deviation due to stability.
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output frequency (FN)
19.44
670
MHz
As specified
Supply voltage
3.14
3.3
3.46
V
Supply current
85
110
mA
Frequency stability
±20 to ±50
ppM
See Note 1 below
Operating temperature
-40
+85
°C
As specified
Output logic 0, VOL
VCC - 1.620
V
0 to +85C
Output logic 0, VOL
VCC - 1.555
V
-40 to +0C
Output logic 1, VOH
VCC - 1.025
V
0 to +85C
Output logic 1, VOH
VCC - 1.085
V
-40 to +0C
Output load
50 to VCC - 2V
output requires termination
Duty cycle
45
55
%
measured 50% of waveform
Rise and fall time
850
ps
measured 20/80% of waveform
Jitter, phase
3
ps RMS (1-σ)
12kHz to 40MHz frequency band
Jitter, accumulated
10
ps RMS (1-σ)
20,000 adjacent periods
Spurious or
Subharmonies
-50
dBc
FN ≤ 350 MHz
-40
dBc
FN > 350 MHz
Notes:
1.
As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, shock and vibra-
tion. Stability is inclusive of 5 years aging at 40°C average effective ambient temperature for ordering options A, B, D, E.
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