SK2907 데이터 시트보기 (PDF) - NEL Frequency Controls
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SK2907 Datasheet PDF : 2 Pages
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CRYSTAL CLOCK OSCILLATORS
Data Sheet 9235A
HK-2900 Series Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Duty Cycle
Logic 0 (2)
Logic 1(2)
Rise & Fall Time
Jitter, RMS(3)
Enable Voltage(4)
Disable Voltage
Frequency Stability (1)
Symbol
Conditions
Min
-----
-----
250.0MHz
-----
@ 50% points
45/55%
VOL
-----
VCC-1.95V
VOH
-----
VCC-1.02V
tr,tf 20-80%VO with 50 ohm load to VCC-2V -----
-----
-----
-----
----
-----
dF/F
with VEE=0V
with VEE=0V
Overall conditions including:
0V
3.0V
-100ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
Typical
-----
-----
-----
-----
350 psec
-----
-----
-----
-----
General Characteristics
Parameter
Symbol
Conditions
Min
Supply Voltage
VCC
Supply Current
ICC
Output current
IO
Operating temperature TA
Storage temperature
TS
Input: Logic High (ECL) - Disables
-----
50 ohm termination
To 2.00V below VCC
Low level Output Current
------
-----
4.75V
0.0 mA
0.0 mA
0°C
-55°C
VEE or Open - Enables
Lead temperature
TL
Soldering, 10 sec.
-----
Load
50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required
Start-up time
tS
-----
-----
Environmental and Mechanical Characteristics
Typical
5.0V
-----
-----
-----
-----
-----
2 ms
Mechanical Shock
Thermal Shock
Vibration
Soldering Condition
Hermetic Seal
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-833, Method 1011, Condition A
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
300°C for 10 seconds
Leak rate less than 1 x 10 -8 atm.cc/sec of helium
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) VOL, VOH, referenced to ground
3) Jitter performance is frequency dependent. Please contact factory for full characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
4) Open to Enable pin also enables to output.
Rev. N
Max
500.0MHz
55/45%
VCC-1.60V
VCC-0.74V
600 psec
5 psec
1.0V
VCC
+100ppm
Max
5.25V
120 mA
±50.0 mA
70°C
125°C
300°C
10 ms
Creating a Part Number
HK - A290X - FREQ
Package Code
HK Leaded 8 pin (14pin)
SK 8 pin (14 pin) SMD Gull
Wing
Input Voltage
Code Specification
A 3.3V
5V
Tolerance/Performance
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
7 ±25ppm 0-70°C
9 Customer Specific
A ±20ppm 0-70°C
B ±50ppm -40 to +85°C
C ±100ppm -40 to +85°C
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email: nelsales@nelfc.com www.nelfc.com
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