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參數資料
| 型號： | S1633B-20T |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 20 MHz, CMOS/LSTTL OUTPUT |
| 文件頁數： | 2/6頁 |
| 文件大?。?/td> | 720K |
| 代理商： | S1633B-20T |
2
DS 246 Rev A | 04/13/05
S1633 Series
3.3V CMOS Low Jitter
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
1.8432
125
MHz
As specified
Supply voltage
+3.135
+3.3
+3.465
V
Supply current, output enabled
15
mA
1.8432 to <40 MHz
12
40 to 50 MHz
25
>50 to <60 MHz
40
60 to <80 MHz
55
mA
80 to 125 MHz
Supply current, standby mode
10
A
Output Hi-Z
Frequency stability
±25 to ±50
ppM
See Note 1 below
Operating temperature
-40
+85
°C
As specified
Output logic 0, VOL
10% VDD
V
Output logic 1, VOH
90% VDD
V
Output load
15 pF (max) or 10 LSTTL
Duty cycle (1.8432 to 79.9999 MHz)
45
55
%
-40 to +85°C measured 50%VDD
Duty cycle (80 to 125 MHz)
45
55
%
-20 to +70°C measured 50%VDD
Duty cycle (80 to 125 MHz)
40
60
%
-40 to +85°C measured 50%VDD
Rise and fall
time
<40 MHz
7
ns
measured 20/80% of waveform
40 to <80 MHz
5
80 to 125 MHz
3
Jitter,
Phase
up to <80 MHz
1.5
ps RMS
(1-σ)
10kHz to 20 MHz frequency band
80 to 125 MHz
1
Jitter,
Accumulated
up to <80 MHz
5
ps RMS
(1-σ)
20.000 adjacent periods
80 to 125 MHz
3
Jitter,
Total
up to <80 MHz
50
ps
pk-pk
100.000 random periods
80 to 125 MHz
30
Notes:
1.
As specified. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C),
aging (1 year at 25°C average effective ambient temperature), shock and vibration.
Output Enable / Disable Function
Parameter
Min.
Typ.
Max.
Units
Notes
Input Voltage (pin 1), Output
Enable
2.2
V
or open
Input voltage (pin 1), Output
Disable (low power standby)
0.8
V
Output is Hi-Z
Internal pullup resistance
50
kΩ
Output disable delay
100
ns
Output enable delay
10
ms
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