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參數(shù)資料
| 型號： | QT21T6M-FREQ4 |
| 廠商： | Q-TECH CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 72 MHz - 100 MHz, TTL OUTPUT |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 124K |
| 代理商： | QT21T6M-FREQ4 |
Screened
Phase Noise
Factory Options
Output Logic
* Output logic can drive up to 200 pF load with typical
6
ns rise & fall time (tr, tf).
T
C
HC
AC
L
E
EH
EF
PE
Z
TTL
CMOS
High Speed CMOS
Advanced CMOS
Low Voltage, 3.3 V
10 K ECL
10 KH ECL
100 K/300 K ECL
+ 5V ECL (PECL)
Special CMOS*
D = Tristate Output
(add "D" as a suffix to the above listed options)
Electrical Specifications
ITEM
TTL
CMOS
HC/ACMOS***
ECL
SUPPLY
VOLTAGE
5 V ± 10%
5.0 TO 15.0 V
5 V ± 10%**
-5.2 V std. for 10 K/10 KH output
-4.5 V std. for 100 K/300 K output
SUPPLY
CURRENT
(Typical)
66 to 100 MHz: 80 mA
50 to 66 MHz: 40 mA
27 to 50 MHz: 25 mA
6.5 to 27 MHz: 12 mA
.01 Hz to 6.5 MHz: 20 mA
2 to 4 mA @ 5 V and 6 MHz
Special supply voltage or
current available.
Ultra low current for battery
operation also available.
HC = 6 mA @ 10 MHz
AC = 20 mA @ 35 MHz
Special supply voltage or current
available.
Ultra low current for battery
operation also available.
35 mA (typ) for 10K
LOAD
> 30 to 65 MHz: 6 TTL
< 30 MHz: 10 TTL
Typical 10 k ohm shunted with
15 pf. capacitor
Typical ± 2 mA drive.
Can drive 1 TTL load.
Standard ECL, designed for 20
ECL Loads.
SYMMETRY*
≥ 8 MHz: 60/40%
< 8 MHz: 45/55%
4 to 15 MHz: 60/40%
< 4 MHz: 45/55%
≥ 10 MHz: 60/40%
< 10 MHz: 45/55%
60/40%
* Optional symmetry selections are 45/55 or 47.5/52.5 Custom symmetry is also available upon request.
** Parts are available with supply range of 2.5 to 6 Volts.
*** Low voltage logic avaliable, Vcc = 3.3 V ± 10%, Current = 12 mA @ 40 MHz, Drive capability = 15 pf
Page 2 of 3
Standard
07-Mar-2007
mhtml:file://Y:\CPL\03062007\QTEC\QT21.mht
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