參數(shù)資料
型號(hào)： T3254-40M
廠商： VALPEY FISHER CORP
元件分類： XO, clock
英文描述： CRYSTAL OSCILLATOR, CLOCK, 40 MHz, HCMOS OUTPUT
文件頁(yè)數(shù)： 2/3頁(yè)
文件大?。?/td> 0K
代理商： T3254-40M
T1250, T1254, T1256, T1258, T4001 thru T4009,
T3250, T3254, T3256, T3258, T4301 thru T4309
5X7 mm Surface Mount
Extended Temperature/COTS 20KHz to 100MHz
ELECTRICAL SPECIFICATIONS
Frequency
20 KHz to 100MHz
Frequency Stability
Includes calibration at 25°C, operating
temperature, change of input voltage, change of
load, shock and vibration.
MIN
TYP
MAX
UNITS
Input Voltage, VDD
4.5
5.0
5.5
volts
Input Current
40
mA
Output
All units, full range
Loads
3 TLL loads, or 10LSTTL loads, or 15 pf CMOS
Rise and Fall Time
TTL and LSTTL from 0.4 to 2.4V
8
ns
CMOS, 15pf, from 0.4 to (VDD-0.4) V
8
ns
CMOS, 30pf, from 0.4 to (VDD-0.4) V
10
ns
Symmetry
TTL and LSTTL @ 1.4V
40/60
percent
CMOS @50% VDD
40/60
percent
Aging
First year
3
ppm
After first year
1
ppm/yr
ENVIRONMENTAL SPECIFICATIONS
Shock-1000 Gs, 0.35 ms, sine wave, 3 shocks in each plane
Vibration-10-2000 Hz of .06” d.a. or 20Gs, whichever is less
Humidity-Resistant to 85° R.H. at 85°C
Connections
Pad
Non-Tristate Models
Tristate Models
1.
Not Used
Floating or “1”: Oscillator runs Ground or
“0”: Disable or Tristate
2.
Ground and Case
3.
Output
4.
+5.0V, VDD
Valpey Fisher Corporation
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
2
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