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參數(shù)資料
| 型號： | M1290-FREQG |
| 廠商： | VALPEY FISHER CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 0.0625 MHz - 125 MHz, HCMOS/TTL OUTPUT |
| 封裝： | GULL WING, SMD, 4 PIN |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 284K |
| 代理商： | M1290-FREQG |
Valpey Fisher Corporation
75 South Street, Hopkinton, MA 01748 Tel. 1-800-XTALREP, 508-435-6831 FAX 508 4355289
2
FULL
SIZE
HALF
SIZE
M1280’s
H1280’s
M1290’s,”Hard-Zero”
M3290’s or Tristate for 3290’s
PIN
1
NOT
USED
Floating or “1”: Oscillator runs
Ground or “0”: Hard “0” for
M1290’s or Tristate for 3290’s
PIN
7
4
Ground and Case
PIN
8
5
Output
PIN
14
8
5V, VDD
FIXED OUTPUT
TRISTATE
HARD
ZERO
40/60
Symmetry
45/55
Symmetry
40/60
Symmetry
45/55
Symmetry
40/60
Symmetry
Frequency
Stability
1280
1286
3290
3296
M1290
+/-100ppm
1281
1991
3291
3991
M1291
+/-25ppm
1282
1992
3292
3992
M1292
+/-50ppm
1288
1998
3298
3998
M1298
+/-20ppm
1289
1999
3299
3999
M1299
+/-32ppm
ELECTRICAL SPECIFICATIONS
Frequency Range
Fixed Output
1 KHz to 175 MHz
Tristate 32.768 to 175 MHz
“Hard Zero”
62.5 KHz to 125 MHz
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
4.50
5.0
5.50
volts
Input Current,
1 KHz to 10 MHz
10.1 to 25 MHz
25.1 to 50 MHz
50.1 to 75 MHz
75.1 to 125 MHz
100.1 to 175 MHz
10
20
25
40
50
55
20
35
45
55
60
65
mA
Output Levels,
“0” Level, sinking 16 mA
“1” Level,
TTL
CMOS, souring 8 mA
2.4
VDD -.4
4.6
0.4
volts
Rise and Fall Times,
TTL, from 0.8 to 2.4V
HCMOS, 15 pf, 20 to 80%
1 KHz to 75 MHz
75.1 to 175 MHz
HCMOS, 30 pf, 20 to 80%
1 KHz to 125MHz
HCMOS, 50 pf, 20 to 80%
1KHz to 75 MHz
2.4
2.5
1.5
4.0
4
2
6
ns
Jitter, Positive Edge to
positive edge
50
Ps RMS
Symmetry
10 TTL, @ 1.4V
Depending on model
HCMOS, @ 50%
Depending on model
45/55
40/60
or 45/55
40/60
or 45/55
percent
Aging
First year
After first year
3
1
ppm
ppm/yr
Input Requirements for Pin 1.:
“1”: On – Pin 1 may float or 2.4V min., sourcing 400 microAmp
“0”: Disable or Tristate – Pin 1 requires 0.4V, sinking 400 microAmp
M1280 Series
Crystal Oscillators HCMOS/TTL 5V
Thru-Hole/Gull Wing; Commercial: 0° to 70°C
Fixed Frequency, 1 KHz to 175 MHz
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