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参数资料
| 型号： | 1.8MHZCFPS-68IB |
| 厂商： | IQD FREQUENCY PRODUCTS LTD |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 1.8 MHz, CMOS OUTPUT |
| 封装： | ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, SMD, 4 PIN |
| 文件页数： | 1/2页 |
| 文件大小： | 458K |
| 代理商： | 1.8MHZCFPS-68IB |
CLOCK
OSCILLA
TORS
IQD Frequency Products Ltd, Station Road, Crewkerne, Somerset TA18 8AR, United Kingdom
Tel: +44 (1460) 270200; Fax: +44 (1460) 72578;
Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com
CFPS-67, -68, -69 SMD CLOCK OSCILLATORS
ISSUE 4; 1 NOVEMBER 2008 - RoHS 2002/95/EC
Description
Low current surface mount oscillators in a ceramic package
with a hermetically sealed metal lid available in a range of
voltages
Package Outline
5 x 3.2mm
Frequency Range
1.8MHz to 50MHz
Output Compatibility & Load
Tri-state CMOS
Drive Capability 15pF max
Frequency Stabilities
±25ppm, ±50ppm, ±100ppm (inclusive of supply voltage and
output load variations over the operating temperature range)
Operating Temperature Ranges
–10 to 70°C (CFPS-67, -68, -69)
–40 to 85°C (CFPS-67I, -68I, -69I)
Storage Temperature Range
–55 to 125°C
Tri-state Operation
Logic ‘1’ (> 70% Vs) to pad 1 enables oscillator output
Logic ‘0’ (< 30% Vs) to pad 1 disables oscillator output;
when the oscillator output goes to the high impedance state
No connection to pad 1 enables oscillator output
Supply Voltage
2.5V CFPS-67
2.8V CFPS-68
3.3V CFPS-69
Standby Current
1A max
Environmental
Shock: MIL-STD-202F, Method 213B (1000G, 0.5ms 1/2 sine
wave)
Vibration: MIL-STD-202F, Method 204D, Test condition
D 20G (10-2000Hz, 4 hrs X, Y & Z axes, total 12 hrs)
Marking Includes
Model Number + Frequency
Packaging
Bulk or Tape and Reel
Minimum Order Information Required
Frequency + Model Number + Operating Temperature Code
(if applicable) + Frequency Stability
Outline (mm)
1.0
3.2±0.2
0.95
0.15
5.0±0.2
Solder pad layout
Pad Connections
1. Enable/Disable
2. GND
3. Output
4. +Vs
1
3
4
2
1.5
1.0
1.4
1.1
2.54
Output Waveform
t
90%Vs
10%Vs
tr
tf
T
Duty cycle = t x 100(%)
T
50%Vs
Test Circuit
Oscilloscope
Oscillator
2
1
Frequency
Counter
A
Power
Supply
V
15pF *
* Inclusive of jigging and equipment capacitance
+Vs
3
4
0.1 F
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