EC28
Series
• HCMOS output
• 2.5V supply voltage
• 8 pin DIP package
• Stability to 20ppm
• Custom lead length,
gull wing options available
NOTES
EC28
H 5.6
L 13.2
W 13.2
OSCILLATOR
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ELECTRICAL SPECIFICATIONS
Frequency Range (F
O
)
Operating Temperature Range (OTR)
±100ppm, ±50ppm, or ±25ppm
±20ppm
Storage Temperature Range (STR)
Supply Voltage (V
DD
)
Input Current (I
DD
)
Frequency Tolerance / Stability
Output Voltage Logic High (V
OH
)
Output Voltage Logic Low (V
OL
)
Rise Time / Fall Time (T
R
/T
F
)
Duty Cycle (SYM)
Load Drive Capability (C
LOAD
)
Tri-State Input Voltage
V
IH
:No Connection
V
IH
:≥90% of V
DD
V
IL
:≤10% of V
DD
Aging (at 25°C)
Start Up Time (T
S
)
Period Jitter: Absolute
Period Jitter: One Sigma
MANUFACTURER
CATEGORY
SERIES
PACKAGE
1.544MHz to 33.000MHz
0°C to 70°C or -40°C to 85°C
0°C to 70°C
-55°C to 125°C
2.5V
DC
±5%
<24.000MHz
>24.000MHz
Inclusive of Operating Temperature
Range, Supply Voltage, and Load
10mA Maximum
20mA Maximum
±100ppm, ±50ppm, ±25ppm, or
±20ppm Maximum (0°C to 70°C Only)
90% of V
DD
Minimum I
OH
=-4mA
10% of V
DD
Maximum I
OL
=+4mA
20% to 80% of Waveform <24.000MHz
20% to 80% of Waveform >24.000MHz
at 50% of Waveform
6 nSeconds Maximum
4 nSeconds Maximum
50 ±10(%) (Standard) or 50 ±5(%) (Optional)
15pF HCMOS Load
Enables Output
Enables Output
Disables Output: High Impedance
±5ppm / year Maximum
10mSeconds Maximum
±100pSeconds Maximum
±25pSeconds Maximum
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EC28
8 pin DIP
2.5V
OS54
11/04
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
EC28 00 HS ET T TS -
30.000M
- G TR
FREQUENCY TOLERANCE / STABILITY
00=±100ppm Maximum (Standard)
45=±50ppm Maximum, 25=±25ppm Maximum
20=±20ppm Maximum
PACKAGE
HS=Half Size 8 Pin DIP
OPERATING TEMP. RANGE
Blank=0°C to 70°C (Standard), ET=-40°C to 85°C
DUTY CYCLE
Blank=50 ±10(%) (Standard), T=50 ±5(%)
PACKAGING OPTIONS
TR= Tape & Reel (only offered with
Half Size G and Half Size G2 Options)
AVAILABLE OPTIONS
Blank=None (Standard)
CLXXX=Custom Lead Length (See Page 133)
G=Half Size Gull Wing (See Page 132)
G2=Half Size Gull Wing (See Page 132)
FREQUENCY
OUTPUT CONTROL FUNCTION
Blank=None (No Connection on Pin 1)
TS=Tri-State Enable High
MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
Pin 1 Locator for Gull Wing
(1) For “G” Option
(2) For “G2” Option
Ø
Ø
Pin 1: No Connect or Tri-State
Pin 4: Case Ground
Pin 5: Output
Pin 8: Supply Voltage
MARKING SPECIFICATIONS
Line 1: ECLIPTEK
Line 2: EC28 TS
Output Control Function
Blank = None (No Connection on Pin 1)
TS = Tri-State Enable High
250 Pieces Per Reel
Compliant to EIA-481A
Series Designator
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Line 3: XX.XXX M
Frequency in MHz
(5 Digits Maximum + Decimal)
Characteristic
Fine Leak Test
Gross Leak Test
Mechanical Shock
Vibration
Lead Integrity
Solderability
Temperature Cycling
Resistance to Soldering Heat
Resistance to Solvents
Specification
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-202, Method 213, Condition C
MIL-STD-883, Method 2007, Condition A
MIL-STD-883, Method 2004
MIL-STD-883, Method 2002
MIL-STD-883, Method 1010
MIL-STD-883, Method 210
MIL-STD-883, Method 215
Line 4: XX Y ZZ
Week of Year
Last Digit of Year
Ecliptek Manufacturing Identifier
Note: Pin 1 shall be designated with a dot
MANUFACTURER
CATEGORY
SERIES
PACKAGE
VOLTAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
OSCILLATOR
EC28
8 pin DIP
2.5V
OS54
11/04
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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