3.3 or 5.
0V version
3.2 x 5 mm Footprint
ECS-3961/3963
Low current consumption
Pb Free/RoHS Compliant
SMD CLOCK OSCILLATOR
ECS-3961 (5V) and ECS-3963 (3.3V) miniature SMD
crystal controlled oscillators. Package is seam welded
with a metal lid.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECS-3961 (+5V) ECS-3963 (+3.3V)
PARAMETERS CONDITIONS UNITS
MIN TYP MAX MIN TYP MAX
Frequency Range 1.544 125.000 1.000 125.000 MHz
Standard -10 +70 -10 +70 °C
Operating Temperature
Extended (N Option) -40 +85 -40 +85 °C
Storage Temperature -55 +125 -55 +125 °C
Supply Voltage +4.5 +5.0 +5.5 +2.7 +3.3 +3.6 VDC
Option A ± 100 ± 100 ppm
Frequency Stability * Option B ± 50 ± 50 ppm
Option C ± 25 ± 25 ppm
1.544 to 9.999 MHz 15 8 mA
10.0 to 34.999 MHz 20 10 mA
Input Current
35.0 to 49.999 MHz 35 25 mA
50.0 to 125 MHz 40 35 mA
@ 50%Vcc level 40/60 40/60 %
Output Symmetry
@ 50%Vcc level (T Option) 45/55 45/55 %
Rise and Fall Times 10% Vdd to 90% level 5 5 ns
"0" level VOL 10% Vdd 10% Vdd VDC
"1" level VOH 90% Vdd 90%
90% VDD
Vdd VDC
Output Load HCMOS 30 15 pF
Startup time 10 10 ms
* Note: Inclusive of 25°C tolerance, operating temperature,input voltage change, load change, shock and vibration.
DIMENSIONS (mm)
Pin Connections
Pin #1 Tri-State **
Pin #2 Ground
Pin #3 Output
Pin #4 VDD
Tri-State Control Voltage
Pad 1 Pad 3
Open Oscillation
Figure 1) Top, Side and Bottom Figure 2) Suggested Land Pattern
70% Vdd Min. Oscillation
views
30% Vdd Max. No Oscillation
** Note: Internal pullup resistor from
pin 1 to 4 allows active output if pin
1 is left open.
PART NUMBERING GUIDE: Example ECS-3963-200-BN-TR
ECS - Series - Frequency Abbreviation - Stability Temperature Symmetry - Packaging
3961 = +5.0V 200 = 20.000 MHz A = ± 100 ppm Blank = -10 ~ +70°C Blank = 40/60 TR = Tape & Reel
3963 = +3.3V See Frequency B = ± 50 ppm M = -20 ~ +70°C T = 45/55 1K/Reel
Abbreviations C = ± 25 ppm N = -40 ~ +85°C
U = -55 ~ +125°C
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
