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參數(shù)資料
| 型號： | VCC4-H3C-FREQ |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.3456 MHz - 75 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 180K |
| 代理商： | VCC4-H3C-FREQ |
VCC4 Data sheet
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
Table 3. Electrical Performance, 2.5V option
Parameter
Symbol
Min
Typical
Maximum
Units
Frequency
fO
0.3456
75.000
MHz
Operating Supply Voltage
1
VDD
2.25
2.5
2.75
V
Absolute Maximum Voltage
-0.5
5.0
V
Supply Current, Output Enabled
< 1.5 MHz
1.500 to 20 MHz
20.01 to 50 MHz
50.00 to 75 MHz
IDD
5.0
7.0
15.0
20.0
mA
Supply Current, Out disabled
IDD
30
uA
Output Logic Levels
Output Logic High
2
Output Logic Low
2
Output Logic High Drive
Output Logic Low Drive
Output Logic High Drive
3
Output Logic Low Drive
3
VOH
VOL
IOH
IOL
IOH
IOL
0.9*VDD
4
8
0.1*VDD
V
mA
Output Rise/Fall Time
2
< 20.000 MHz
20.01 to 50.00 MHz
50.01 to 75.00 MHz
tR/tF
10
6
3
ns
Duty Cycle
4 (ordering option)
SYM
45/55
%
Operating temperature (ordering option)
-10/70 or –40/85
°C
Stability
5 (ordering option)
±20, ±25, ±50, ±100
ppm
RMS Jitter, 12kHz to 20 MHz
0.5
1
ps
Period Jitter
RMS
Peak to Peak
3.0
21
ps
Output Enable/Disable
6
Output Enabled
Output Disabled
1.75
0.5
V
Internal Enable Pull-Up resistor
6
100
Kohm
Start-up time
8
ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
2. Figure 5 defines these parameters. Figure 6 illustrates the operating conditions under which these parameters are tested and
specified.
3. Overtone designs, output frequencies>35MHz.
4. Symmetry is measured defined as On Time/Period.
5. Includes calibration tolerance, operating temperature, supply voltage variations, and shock and vibration (not under operation).
50 and 100ppm options include aging.
6. Output will be enabled if enable/disable is left open.
Figure 5. Output Waveform
Figure 6. Typical Output Test Conditions (25
±5°C)
+
-
+
-
IC
VC
3
2
. 1
F
.01
F
1 5pF
4
1
IDD
V DD
VOH
50%
VOL
tF
tR
Period
On Time
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