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參數(shù)資料
| 型號： | QEN49-EHFREQDT25SS/T |
| 廠商： | TEMEX COMPONENTS |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 14 MHz - 70 MHz, ACMOS OUTPUT |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 21K |
| 代理商： | QEN49-EHFREQDT25SS/T |
QEN 49/55-EH
14 MHz - 70 MHz
70 MHz - 160 MHz
Input current
<20 mA up to 40 MHz
<50 mA +0.2 F (MHz)
(without load)
<40 mA up to 70 MHz
@ 25° C, Vcc = 5 V
Output levels
Low < 0.5 V
Low < 0.44 V
(max. load)
High > 4.5 V
High > 3.7 V
Max. output
10-TTL or 25 pF
±24 mA up to 85° C
±15 mA from +85° C to +125° C
Rise/fall time
<10 ns from 20 MHz
<2 ns
(max. load)
FULL MILITARY DIL XO
QEN 49/55-EH
3-16
Vol. 2
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
Frequency range
14 MHz to 160 MHz
Applications
Test equipment
Military airborne
Space applications
Features
Temperature ranges:
up to -55° C to +125° C
Frequency stability:
±25 to ±100 ppm
Supply voltage:
+5 V or -5.2 V
Current consumption:
20 mA to 50 mA+0.2xF (MHz)
Load (EH version):
See table 1
Duty cycle:
50/50 ± 20 %
Option screening:
B or S
Ageing (45°C/1st year) :
≤ ± 5 ppm
Description
These high performance DIL clock oscillators are designed for high
vibration and extended temperature range up to -55° C to +125° C.
For the same military temperature ranges, our QEN49/55-EH uses
ACMOS active circuit technology with a high performance crystal
resonator mounted on 3 points. It allows an upper frequency of 60 MHz,
as opposed to the classic HCMOS types, which are limited to much
lower frequencies.
FULL MILITARY DIL XO
Table 1:
Other temperature ranges and stability available
Minimum ordering information requirement
(See Table 1 for available combinations)
(See page 3-19 for package drawing)
Example: QEN 55 - EH
70 MHz AY50 SB / T
Package
55 = DIL 4 pins
49 = DIL 14 pins
Output
EH = ACMOS output
Temperature range
DT = -40° C ~ +85° C
AY = -55° C ~ +125° C
(3)
Thermal stability
± 25 ppm
± 50 ppm
± 100 ppm
Screening option: SB / SS
Tinned pins: T
/
Note:
1. Options with the same marker may not be combined with
each other.
2. Frequency
stability
inclusive
of
25°
C
calibration,
temperature, Vcc and load change.
3. Temperature range feasible up to 70 MHz for EH version.
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