VCA1 [VECTRON]
3.3, 5.0 volt CMOS Oscillator; 3.3 ， 5.0伏的CMOS振荡器
| 型号： | VCA1 |
| 厂家： | 
Vectron International, Inc |
| 描述： | 3.3, 5.0 volt CMOS Oscillator |
| 文件： | 总6页 (文件大小：93K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
VCA1 series
3.3, 5.0 volt CMOS Oscillator
Features
• CMOS output
• Output frequencies to 160 MHz
• Tri-state output for board test and debug
• 0/70 or –40/85 °C operating temperature
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Applications
The VCA1 Crystal Oscillator
• SONET/SDH/DWDM
• Ethernet, Gigabit Ethernet
• Storage Area Network
• Digital Video
• Broadband Access
• Microprocessors/DSP/FPGA
Description
Vectron’s VCA1 Crystal Oscillator (XO) is quartz
stabilized square wave generator with a CMOS
output, operating off a 3.3 or 5.0 volt supply.
fo
Output
Buffer /
Disable
The VCA1 uses fundamental or 3rd overtone
crystals, for output frequencies < 80MHz,
resulting in low jitter performance, typically 0.5ps
rms in the 12 kHz to 20MHz band.
Vectron International 267 Lowell Road, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
Performance Characteristics
Table 1. Electrical Performance, 5V option
Parameter
Symbol
fO
VDD
Min
0.032768
4.5
Typical
Maximum
160.000
5.5
Units
MHz
V
V
mA
Frequency
Operating Supply Voltage 1
Absolute Maximum Supply Voltage
Supply Current, Output Enabled
0.032768 to 2.0 MHz
2.01 to 30 MHz
5.0
-0.7
7.0
IDD
10
15
40
50
30.01 to 50 MHz
50.01 to 160.00 MHz
Output Logic Levels
Output Logic High2
VOH
VOL
0.9*VDD
V
V
Output Logic Low2
0.1*VDD
Output Rise/Fall Time2
tR/tF
ns
0.032768 to 2.00 MHz
2.01 to 20.00 MHz
10
8
20.01 to 160.00 MHz
5
Duty Cycle3 (ordering option)
Operating Temperature (ordering option)
SYM
TOP
40/60 or 45/55
0/70 or -40/85
%
°C
Storage Temperature
TSTOR
-55
125
°C
ppm
V
Stability4 (ordering option)
±20, ±25, ±32, ±50, ±100
∆F/T
E/D
Output Enable/Disable5
Output Enabled
Output Disabled
Start-up time
4.0
0.8
10
TSU
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 1 defines these parameters. Figure 2 illustrates the operating conditions under which these parameters are tested and
specified.
3. Symmetry is measured defined as On Time/Period.
4. Includes calibration tolerance, operating temperature, supply voltage variations, aging and shock and vibration (not under
operation).
5. Output will be enabled if enable/disable is left open.
tF
tR
IDD
VOH
50%
4
1
+
-
3
.1µF
.01µF
2
VDD
VOL
IC
VC
On Time
15pF
+
-
Period
Figure 1. Output Waveform
Figure 2. Typical Output Test Conditions (25±5°C)
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1
e-mail: vectron@vectron.com
VCA1 Data Sheet
Table 2. Electrical Performance, 3.3V option
Parameter
Symbol
fO
VDD
Min
0.032768
2.97
Typical
Maximum
160.000
3.63
Units
MHz
V
V
mA
Frequency
Operating Supply Voltage 1
Absolute Maximum Operating Voltage
Supply Current, Output Enabled
0.032786 to 2.0 MHz
3.3
-0.5
5.0
IDD
8
2.01 to 30 MHz
30.01 to 50 MHz
50.01 to 160 MHz
10
20
35
Output Logic Levels
Output Logic High2
VOH
VOL
tR/tF
0.9*VDD
V
V
ns
Output Logic Low2
0.1*VDD
Output Rise/Fall Time2
0.032768 to 2.00 MHz
2.01 to 20.00 MHz
12
10
6
20.01 to 160.00 MHz
Duty Cycle3 (ordering option)
Operating Temperature (ordering option)
SYM
TOP
40/60 or 45/55
0/70 or –40/85
%
°C
Storage Temperature
TSTOR
-55
125
°C
ppm
V
Stability4 (ordering option)
±20, ±25, ±32, ±50, ±100
∆F/T
E/D
Output Enable/Disable5
Output Enabled
Output Disabled
Start-up time
2.0
0.5
10
TSU
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 3 defines these parameters. Figure 4 illustrates the operating conditions under which these parameters are tested and
specified. For Fo>90MHz, rise and fall time is measured 20 to 80%.
3. Symmetry is measured defined as On Time/Period.
4. Includes calibration tolerance, operating temperature, supply voltage variations, aging and shock and vibration (not under
operation).
5. Output will be enabled if enable/disable is left open.
tF
tR
IDD
VOH
50%
4
1
+
-
3
.1µF
.01µF
2
VDD
VOL
IC
VC
On Time
15pF
+
-
Period
Figure 3. Output Waveform
Figure 4. Typical Output Test Conditions (25±5°C)
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
VCA1 Data Sheet
Enable/Disable Functional Description
Under normal operation the Enable/Disable is left open or set to a logic high state. When the E/D is set to
a logic low, the oscillator stops and the output is in a high impedance state. This helps reduce power
consumption as well as facilitating board testing and troubleshooting.
Tri-state Functional Description
Under normal operation the tri-state is left open or set to a logic high state. When the tri-state is set to a
logic low, the oscillator remains active but the output buffer is in a high impedance state. This helps
facilitate board testing and troubleshooting.
Table 3. Outline Diagrams and Pin Out
Pin #
Symbol
E/D or NC
GND
Function
Tri-state, Enable/Disable or NC
Electrical and Case Ground
Output Frequency
1
2
3
4
fO
VDD
Supply Voltage
Figure 5, Package drawing
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
VCA1 Data Sheet
Reliability
The VCA1 qualification tests have included:
Table 4. Environnemental Compliance
Parameter
Conditions
MIL-STD-883 Method 2022
MIL-STD-883 Method 2007
MIL-STD-883 Method 1010
MIL-STD-883 Method 1014
MIL-STD-883 Method 2015
Mechanical Shock
Mechanical Vibration
Temperature Cycle
Gross and Fine Leak
Resistance to Solvents
Handling Precautions
Although ESD protection circuitry has been designed into the the VCA1, proper precautions should be
taken when handling and mounting. VI employs a Human Body Model and a Charged-Device Model
(CDM) for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on
the circuit parameters used to define the model. Although no industry wide standard has been adopted
for the CDM, a standard HBM of resistance = 1.5kohms and capacitance = 100pF is widely used and
therefore can be used for comparison purposes.
Table 5. ESD Ratings
Model
Human Body Model
Charged Device Model
Minimum
1000
1500
Conditions
MIL-STD-883 Method 3115
JESD 22-C101
Suggested IR profile
Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow
conditions, Table 6 shows max temperatures and lower temperatures. A peak temperature of 240°C
minimum should be used to reflow the lead solder.
Table 6. Reflow Profile (IPC/JEDEC J-STD-020B)
Parameter
Symbol
Value
Preheat Time
t S
150 sec Min, 200 sec Max
Ramp Up
R UP
t L
3 oC/sec Max
60 sec Min, 150 sec Max
480 sec Max
Time Above 217 oC
Time To Peak Temperature
Time At 260 oC (max)
Time At 240 °C (max)
Ramp Down
t AMB-P
t P
10 sec Max
tp2
60 sec Max
6 oC/sec Max
R DN
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
VCA1 Data Sheet
Ordering Information:
VCA1 -
-
B
3
B
25M00
Product Family
Output Frequency
Crystal Oscillator
In MHZ
Full Size 14 Pin DIP
Voltage Options
Electrical Options
A: +5.0 Vdc +/-10%, 15pF
B: +3.3 Vdc +/-10%, 15pF
C: +3.0 Vdc +/-5%, 15pF
E: +5.0 Vdc +/-10%, 50pF
F: +3.3Vdc +/-5%, 50pF
3: Tri-state, 45/55% Duty
Stability Options
The following codes are not
A: ±100ppm, 0 to 70°C
C: ±100ppm, -40 to 85°C
B: ±50ppm, 0 to 70°C
D: ±50ppm, -40 to 85°C
E: ±25ppm, 0 to 70°C
F: ±25ppm, -40 to 85°C
G: ±20ppm*, 0 to 70°C
*Aging not included.
recommended for new designs
0: No tri-state, 40/60% Duty
1: Tri-state, 40/60% Duty
2: No tri-state, 45/55%Duty
5: Enable, 40/60% Duty
6: Enable, 45/55% Duty
Note: Not all combinations are available.
Tri-state with a 45/55% is the most common Electrical code and is recommended for most applications.
Devices will be shipped in Anti Static Tubes
For Additional Information, Please Contact:
USA: Vectron International • 267 Lowell Road, Hudson, NH 03051
• Tel: 1-88-VECTRON-1 • Fax: 1-888-FAX-VECTRON
EUROPE: Landstrasse, D-74924, Neckarbischofsheim, Germany •
Tel: 49 (0) 7268 8010 • Fax: 49 (0) 7268 801281
ASIA: Vectron Asia Pacific Sales 1F~2F. No.8 Workshop No.308 Fenju Rd.,
WaiGaoQiao Free Trade Zone, Pudong New Area Shanghai, China 200131
•Tel: 8621 50480777 • Fax: 8621 50481881
www.vectron.com
July 24, 2006
Vectron International 267 Lowell Rd, Hudson NH 03051
Tel: 1-88-VECTRON-1
e-mail vectron@vectron.com
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