EH1120ETTTS-125.000M Ecliptek, EH1120ETTTS-125.000M Datasheet - Page 3

• Manufacturer Part Number: EH1120ETTTS-125.000M
• Manufacturer: Ecliptek
• Type: Crystal Oscillatorr

Specifications of EH1120ETTTS-125.000M

• Symmetry Max: 55%
• Output Level: HCMOS/TTL
• Operating Supply Voltage (typ): 5
• Pin Count: 4
• Mounting Style: Through Hole
• Screening Level: Industrial
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 85C
• Frequency Stability: ±20
• Load Capacitance: 15pF
• Package / Case: Metal DIP
• Lead Free Status / RoHS Status: Compliant

Test Circuit for TTL Output
EH1120ETTTS-125.000M
Supply
Power
Note 1: An external 0.1µF low frequency tantalum bypass capacitor in parallel with a 0.01µF high frequency
Note 2: A low capacitance (<12pF), 10X attenuation factor, high impedance (>10Mohms), and high bandwidth
Note 3: Capacitance value C
Note 4: Resistance value R
Note 5: All diodes are MMBD7000, MMBD914, or equivalent.
www.ecliptek.com | Specification Subject to Change Without Notice | Rev C 11/13/2010 | Page 3 of 7
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+
Table 1: R
ceramic bypass capacitor close to the package ground and V
(>300MHz) passive probe is recommended.
Output Load
Drive Capability
10TTL
5TTL
2TTL
10LSTTL
1TTL
Voltage
Meter
Value Vs. Output Load Drive Capability
L
+
_
Resistance Value and C
L
L
is shown in Table 1. See applicable specification sheet for 'Load Drive Capability'.
+
includes sum of all probe and fixture capacitance.
R
(Ohms)
Current
L
Meter
1100
2000
2200
390
780
Value
(Note 1)
0.01µF
L
Capacitance
_
C
L
(pF)
Value
15
15
15
6
3
(Note 1)
No Connect
or Tri-State
0.1µF
Supply
Voltage
(V
DD
DD
)
pin is required.
Ground
Output
Oscilloscope
(Note 2)
Probe
C
(Note 3)
L
Frequency
Counter
R
(Note 4)
L
Supply
Power
+
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