Moisture Sensitivity Level (MSL) – This product is Hermetically Sealed and not Moisture
Sensitive - MSL = N/A: Not Applicable
FEATURES:
• 3.2 x 2.5 x 0.9mm miniature package
• Low current consumption 1.5mA for 19.68MHz
• Vc function corresponds to PLL circuits
• Suitable for RoHS reflow profile
APPLICATIONS:
• Cellular and cordless phones
• Standard OSC for exact equipment
• Mobile com munication equipment
• Porta ble radio equipment and music player.
• PLL
STANDARD SPECIFICATIONS:
Parameters
Frequency Range
Standard Frequencies:
Operating Temperature:
Storage Temperature:
Frequency Stability
∆f/f0
vs
Tolerance (@+25°C) at shipping:
Tolerance (@+25°C) after reflow:
Temperature (ref. to +25°C):
Supply Voltage Change (Vdd±5%):
Load Change (ZL±10%):
Supply Voltage (Vdd):
Aging (first year @+25°C):
Supply Current (Icc):
Voltage Control Function
(for ASVTX-11)
Control Voltage (Vcc):
Frequency Tuning Range:
Frequency Tuning Transition:
Input Impedance:
Output
Voltage:
Load:
Waveform:
Phase Noise:
0.8
Minimum
Typical
Maximum
Units
MHz
MHz
°C
°C
ppm
ppm
Notes
10
40
10, 13, 14.4, 16.3676, 19.2, 19.8, 20,
24.5535, 26, 33.6, 38.4, 39, 40
-30
+75
-40
+85
-0.5
-1.5
-2.5
-0.2
-0.2
+3.135
-1.0
+3.3
+0.5
+1.5
+2.5
+0.2
+0.2
+3.465
+1.0
1.5
2.0
2.5
+2.5
See option (Tabel 1)
V
ppm
mA
mA
mA
Vdc
ppm
kΩ
See option
~19.68MHz
~32.00MHz
~40.00MHz
+0.5
±8
Positive
500
+1.5
650
(Left blank if standard)
10k
Ω//10pF
Clipped Sine Wave
-135
Vp-p
dBc
@1kHz
ABRACON IS
ISO9001:2008
CE RTIFIED
CE RTIFIED
Revised: 08.12.14-M
30332 E speranza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-800
| www.abracon.com
1
Visit www.abracon.com for Terms & Conditions of Sale
SMD VC/TCXO
ASTX-11, ASVTX-11
OPTIONS & PART IDENTIFICATION:
ESD Sensitive
Pb
RoHS/RoHS II compliant
3 .2 X 2 .5 X 0 .9m m
ASVTX-11 or ASTX-11 -
Vdd (V)
Blank: 3.3V±5%
A: 3.0V±5%
B: 2.8V±5%
C: 2.5V±5%
-
MHz -
-
Packaging
Blank: Bulk
T: 1000pcs/reel
T3: 3000pcs/reel
Frequency in MHz
Please specify the
frequency in MHz.
e.g. 19.200MHz
Table 1: Frequency Stability vs Operating Temperature
±1.5ppm ±2ppm
±2.5ppm
0°C ~ +50°C
D15
D20
D25
-10°C ~ +60°C
E15
E20
E25
-20°C ~ +70°C
F15
F20
F25
-30°C ~ +70°C
G15
G20
G25
-30°C ~ +75°C
H15
H20
Std.(Blank)
-40°C ~ +85°C
I15
I20
I25
±3ppm
D30
E30
F30
G30
H30
I30
±4ppm
D40
E40
F40
G40
H40
I40
±5ppm
D50
E50
F50
G50
H50
I50
OUTLINE DRAWING:
6-pad package (Date Code prior to March 2014):
Note 1: It is not recommended that paths go underneath the
oscillator. If needed, please use multi-layer PCB board or resist
coating.
Note 2: Recommend using an approximately 0.01µF bypass
capacitor between Pin 3 and 6.
Pin
1
2
3
4
5
6
Dimensions: Inches (mm)
ABRACON IS
ISO9001:2008
CE RTIFIED
CE RTIFIED
Function
ASVTX-11
ASTX-11
Vc
GND
N.C.
GND
Output
N.C.
Vdd
Revised: 08.12.14-M
30332 E speranza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-800
| www.abracon.com
1
Visit www.abracon.com for Terms & Conditions of Sale
SMD VC/TCXO
ASTX-11, ASVTX-11
OUTLINE DRAWING:
4-pad package (Date Code March 2014 and later):
ESD Sensitive
Pb
RoHS/RoHS II compliant
3 .2 X 2 .5 X 0 .9m m
Due to material availability, 1 or 2 side
pads may appear on the side of the
package The variation in no way
affects the electrical performance of the
product
.
Pin
1
2
3
4
Function
ASVTX-11
ASTX-11
Vc
GND
GND
Output
Vdd
Recommended Land Pattern
1
Note 1: It is not recommended that paths go underneath the oscillator. If needed, please use
multi-layer PCB board or resist coating.
Note 2: Recommend using an approximately 0.01µF bypass capacitor between Pin 2 and 4.
Dimensions: mm
ABRACON IS
ISO9001:2008
CE RTIFIED
CE RTIFIED
Revised: 08.12.14-M
30332 E speranza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-800
| www.abracon.com
1
Visit www.abracon.com for Terms & Conditions of Sale
SMD VC/TCXO
ASTX-11, ASVTX-11
REFLOW PROFILE:
ESD Sensitive
Pb
RoHS/RoHS II compliant
3 .2 X 2 .5 X 0 .9m m
TAPE & REEL:
T: 1000pcs/reel
T3: 3000pcs/reel
Dimensions: mm
ATTENTION:
Abracon Corporation’s products are COTS – Commercial-Off-The-Shelf products; suitable for Commercial, Industrial and, where designated, Automotive Applications.
Abracon’s products are not specifically designed for Military, Aviation, Aerospace, Life-dependant Medical applications or any application requiring high reliability where component
failure could result in loss of life and/or property. For applications requiring high reliability and/or presenting an extreme operating environment, written consent and authorization from
Abracon Corporation is required. Please contact Abracon Corporation for more information.
ABRACON IS
ISO9001:2008
CE RTIFIED
CE RTIFIED
Revised: 08.12.14-M
30332 E speranza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-800
| www.abracon.com
1
Visit www.abracon.com for Terms & Conditions of Sale
中风发生时，一切都是以秒来计算的。延误治疗可能导致大脑重大损伤。伦敦大学医学院的一位博士Alistair McEwan已经获得行为医学研究所(Action Medical Research)的同意，为急救人员开发一种无线诊断系统来减少时间延误。感谢抗血栓药物，一些病人在病情发作的三个小时之内可以完全恢复。但出血也会导致中风。医生在治疗之前需要确定发病原因，因为不适当的服用抗血栓药物会加重损害。...[详细]
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