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參數資料
| 型號： | SEL3814E77.7600 |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 77.76 MHz, PECL OUTPUT |
| 封裝： | GREEN PACKAGE-4 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 1554K |
| 代理商： | SEL3814E77.7600 |
2
DS 225 Rev B | 03/30/05
SEL381 Series
3.3V PECL High Frequency
Crystal Clock Oscillator (XO)
Pericom Semiconductor Corporation 1-800-435-2336 http://www.pericom.com/saronix
All specifications are subject to change without notice.
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output frequency
25
670
MHz
As specified
Supply voltage
2.97
3.3
3.63
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 +85°C
Output logic 0, VOL
VCC – 1.555
V
-40 to 0°C
Output logic 1, VOH
VCC – 1.025
V
0 to +85°C
Output logic 1, VOH
VCC – 1.085
V
-40 to 0°C
Output load
50Ω 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
Jitter, total
40
ps
pk-pk
100,000 random periods
Notes:
1. As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration
tolerance (25°C), aging (5 years at 40°C average effective ambient temperature), shock and vibration.
Output Enable / Disable Function (SEL3813 and SEL 3814)
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (OE pin),
Output Enable
VOH
V
or open
Input voltage (OE pin),
Output Disable
VOL
V
Outputs disabled to Hi-Z
Output Enable / Disable Function (SEL3811 and SEL 3812)
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (OE pin),
Output Enable
VOL
V
or open
Input voltage (OE pin),
Output Disable
VOH
V
Outputs disabled to Hi-Z
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