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参数资料
| 型号： | QEN49-CHIFREQ2AY50SB/T |
| 厂商： | RAKON LIMITED |
| 元件分类： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 40 MHz - 70 MHz, ACMOS OUTPUT |
| 文件页数： | 1/1页 |
| 文件大小： | 23K |
| 代理商： | QEN49-CHIFREQ2AY50SB/T |
CRYSTAL OSCILLATOR - XO
QEN 49/55-BH/CH
3-15
Vol. 2
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
FULL MILITARY DIL XO
Option
QEN 49/55-BH
QEN 49/55-CH
Enable / disable on pin 1
Tri-state on pin 1
Version BH
Version CH
±25 ppm
±50 ppm
±25 ppm
±50 ppm
“1”on pin 1 =
3.5 kHz - 14 MHz
Yes
disable on pin 8
enable on pin 8
14 MHz - 40 MHz
Yes
“0”on pin 1 =
40 MHz - 70 MHz
Yes
enable on pin 8
High Z on pin 8
Frequency range
3.5 KHz to 70 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
Current consumption:
10 to 50 mA
Load (BH version):
25pF/3TTL-gates
Load (CH version):
15pF-25pF/10TTL-gates
Option duty cycle:
(BH version up to 14 MHz):
50/50 ± 5 %
(BH/CH version from 14 MHz):
50/50 ± 10 %
Option
Enable/Disable: Up to 14 MHz:
Version BH
Option tristate output:
Version CH
Option external trimmer:
3 to 20 pF
up to 30 MHz on pin 1
Option screening:
B or S
Ageing (45°C/1st year) :
≤ ± 5 ppm
Attention: should pin 1 not be used, please always tie to Vcc
Minimum ordering information requirement
(See Table 1 for available combinations)
(See page 3-19 for package drawing)
Example: QEN 55 - BHR 16 MHz AY50 SB / T
Package
55 = DIL 4 pins
49 = DIL 14 pins
Option
R = 50/50 ± 10 % (or ± 5 %)
I = enable/disable
*
J = tristate
*
T = trimmer
*
Temperature range
DT = -40° C ~ +85° C
AY = -55° C ~ +125° C
∞
Frequency 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.
/
Table 1:
Other temperature ranges
and stability available
These high performance DIL clock oscillators are designed for high vibration
and extended temperature range up to -55° C to +125° C.
The QEN55-BH/CH utilize HCMOS active circuit technology up to 40 MHz and
an ACMOS technology up to 70 MHz. The crystal resonator is mounted on
3 points on a true hybrid alumina substrate with gold printed circuit path
and is well suited for military and avionics applications. The same perfor-
mances are presented for higher environmental severity in a 14 pins DIL
package under the designation QEN49-BH/CH.
In the overlapping range between 14 MHz and 40 MHz, the choice depends
on the other available options such as duty cycle tolerance and the tristate
output.
Lead time between input signal and output reaction
≤ 20 ns
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