EC2645TTS-24.5454M TR
EC26 45
Series
Quartz Crystal Clock Oscillators XO (SPXO) LVCMOS
(CMOS) 3.3Vdc 4 Pad 5.0mm x 7.0mm Ceramic
Surface Mount (SMD)
Frequency Tolerance/Stability
±50ppm Maximum
Operating Temperature Range
-10°C to +70°C
T TS -24.5454M TR
Packaging Options
Tape & Reel
Nominal Frequency
24.5454MHz
Pin 1 Connection
Tri-State (High Impedance)
Duty Cycle
50 ±5(%)
ELECTRICAL SPECIFICATIONS
Nominal Frequency
Frequency Tolerance/Stability
24.5454MHz
±50ppm Maximum (Inclusive of all conditions: Calibration Tolerance at 25°C, Frequency Stability over the
Operating Temperature Range, Supply Voltage Change, Ouput Load Change, First Year Aging at 25°C,
Shock, and Vibration)
±5ppm/year Maximum
-10°C to +70°C
3.3Vdc ±10%
10mA Maximum
90% of Vdd Minimum (IOH=-8mA)
10% of Vdd Maximum (IOL=+8mA)
5nSec Maximum (w/15pF Load), 7nSec Maximum (w/30pF Load) (Measured at 20% to 80% of waveform)
50 ±5(%) (Measured at 50% of waveform)
30pF Maximum
CMOS
Tri-State (High Impedance)
+0.7Vdd Minimum or No Connect to Enable Output, +0.3Vdd Maximum to Disable Output (High
Impedance)
10µA Maximum (Disabled Output: High Impedance)
1pSec Maximum (12kHz to 20MHz offset frequency)
10mSec Maximum
-55°C to +125°C
Aging at 25°C
Operating Temperature Range
Supply Voltage
Input Current
Output Voltage Logic High (Voh)
Output Voltage Logic Low (Vol)
Rise/Fall Time
Duty Cycle
Load Drive Capability
Output Logic Type
Pin 1 Connection
Tri-State Input Voltage (Vih and Vil)
Standby Current
RMS Phase Jitter
Start Up Time
Storage Temperature Range
ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
ESD Susceptibility
Fine Leak Test
Flammability
Gross Leak Test
Mechanical Shock
Moisture Resistance
Moisture Sensitivity
Resistance to Soldering Heat
Resistance to Solvents
Solderability
Temperature Cycling
Vibration
MIL-STD-883, Method 3015, Class 1, HBM: 1500V
MIL-STD-883, Method 1014, Condition A
UL94-V0
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 2002, Condition B
MIL-STD-883, Method 1004
J-STD-020, MSL 1
MIL-STD-202, Method 210, Condition K
MIL-STD-202, Method 215
MIL-STD-883, Method 2003
MIL-STD-883, Method 1010, Condition B
MIL-STD-883, Method 2007, Condition A
www.ecliptek.com | Specification Subject to Change Without Notice | Revision V 06/13/2012 | Page 1 of 7
EC2645TTS-24.5454M TR
MECHANICAL DIMENSIONS (all dimensions in millimeters)
PIN
CONNECTION
Tri-State
Ground/Case Ground
Output
Supply Voltage
7.00
±0.15
3
5.00
±0.15
MARKING
ORIENTATION
2
1.4 ±01
5.08
±0.15
4
2.60
±0.15
1
1.2 ±0.2
3.68
±0.15
1
2
3
4
LINE MARKING
1
2
3
ECLIPTEK
24.545M
XXXXX
XXXXX=Ecliptek
Manufacturing Identifier
1.6 +0.2/-0.5
Suggested Solder Pad Layout
All Dimensions in Millimeters
2.0 (X4)
2.2 (X4)
2.88
Solder Land
(X4)
1.81
All Tolerances are ±0.1
www.ecliptek.com | Specification Subject to Change Without Notice | Revision V 06/13/2012 | Page 2 of 7
EC2645TTS-24.5454M TR
OUTPUT WAVEFORM & TIMING DIAGRAM
TRI-STATE INPUT
V
IH
V
IL
CLOCK OUTPUT
V
OH
80% of Waveform
50% of Waveform
20% of Waveform
V
OL
OUTPUT DISABLE
(HIGH IMPEDANCE
STATE)
t
PLZ
Fall
Time
Rise
Time
T
W
T
Duty Cycle (%) = T
W
/T x 100
t
PZL
www.ecliptek.com | Specification Subject to Change Without Notice | Revision V 06/13/2012 | Page 3 of 7
EC2645TTS-24.5454M TR
Test Circuit for CMOS Output
Oscilloscope
Frequency
Counter
+
+
Power
Supply
_
+
Voltage
Meter
_
Current
Meter
_
Supply
Voltage
(V
DD
)
Probe
(Note 2)
Output
0.01µF
(Note 1)
0.1µF
(Note 1)
Ground
C
L
(Note 3)
No Connect
or Tri-State
Note 1: An external 0.1µF low frequency tantalum bypass capacitor in parallel with a 0.01µF high frequency
ceramic bypass capacitor close to the package ground and V
DD
pin is required.
Note 2: A low capacitance (<12pF), 10X attenuation factor, high impedance (>10Mohms), and high bandwidth
(>300MHz) passive probe is recommended.
Note 3: Capacitance value C
L
includes sum of all probe and fixture capacitance.
www.ecliptek.com | Specification Subject to Change Without Notice | Revision V 06/13/2012 | Page 4 of 7
EC2645TTS-24.5454M TR
Tape & Reel Dimensions
All Dimensions in Millimeters
Compliant to EIA-481
Quantity Per Reel: 1,000 units
4.00 ±0.10
2.00 ±0.10
0.60 MAX
0.10 MAX
DIA 1.50 +0.10/-0.00
7.50 ±0.10
MARKING
ORIENTATION
1.75 ±0.10
16.00 ±0.30
B0
DIA 1.50 MIN
8.00 ±0.10
A0
K0
Direction of Unreeling
1.50 MIN
DIA 40 MIN
Access Hole at
Slot Location
22.40 MAX
360 MAX
DIA 50 MIN
DIA 20.20 MIN
DIA 13.00 ±0.20
2.50 MIN Width
10 MIN Depth
Tape slot in Core
for Tape Start
16.4 +2.00/-0.00
www.ecliptek.com | Specification Subject to Change Without Notice | Revision V 06/13/2012 | Page 5 of 7
