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參數(shù)資料
| 型號(hào)： | LFFREQ3IQXO-149IC |
| 廠商： | IQD FREQUENCY PRODUCTS LTD |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 30 MHz - 49.999 MHz, HCMOS/TTL OUTPUT |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 44K |
| 代理商： | LFFREQ3IQXO-149IC |
LEADED
SPXOs
IQXO-149 Commercial Oscillator
ISSUE 13; 1 SEPTEMBER 2001
Delivery Options
I
Please contact our sales office for current leadtimes
Output Compatibility
I
Tri-state HCMOS/TTL
I
Drive Capability: 50pF or 10TTL (<70.0MHz)
30pF (70.0 to 160.0MHz)
Package Outline
I
14-pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seal. Available
over 0 to 70°C (IQXO-149) or -40 to 85°C
(IQXO-149I)
Standard Frequency Stabilities
I
±25ppm, ±50ppm, ±100ppm
(over operating temperature range)
Operating Temperature Ranges
I
0 to 70°C (IQXO-149)
I
–40 to 85°C (IQXO-149I)
Storage Temperature Range
I
–55 to 125°C
Environmental Specification
I
Terminal Strength: 0.91kg max. Force perpendicular to
top & bottom
I
Hermetic Seal: not to exceed 1x10-8 mBar litres of
Helium leakage
I
Solderability: MIL-STD-202E, Method 208C
I
Vibration: 10 to 55Hz 0.76mm displacement, sweep 60
seconds, duration 2 hours
I
Rapid Change of Temperature over Operating
Temperature Range: 10 cycles
I
Shock: 981m/s2 for 6ms, three shocks in each direction
along the three mutually perpendicular planes
Tri-state Operation
I
Logic ‘0’ to pin 1 disables oscillator output; when
disabled the oscillator output goes to the high
impedance state
I
No connection or Logic ‘1’ to pin enables oscillator
output
I
Maximum ‘pull-down’ resistance required to disable
output = 20k
I
Disable current 50A typical
Outline in mm
Output Waveform - HCMOS/TTL
Pin connections
1. N/C or Enable/Disable
7. GND
8. Output
14. +Vs
5.1
m
a
x
4.0
m
in
0.8
m
a
x
0.45
7.6
2
13
.08
m
a
x
15.24
21.0 max
17
14
8
tr
tf
t
T
90%Vs
10%Vs
50%Vs
0V
+Vs
2.4V
0.4V
Duty cycle = t x 100(%)
T
1.4V
Marking
I
Model number + Operating Temperature Code
(if applicable)
I
Frequency Stability Code
I
Frequency
I
Date Code (Year/Week)
Minimum Order Information Required
I
Frequency + Model Number + Operating Temperature (if
applicable) + Frequency Stability
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