ECS-3961/3963 SMD Clock Oscillator ECS-3961 (5V) and ECS-3963 (3.3V) miniature SMD crystal controlled oscillators. Package is seam welded with a metal lid. Request a Sample OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECS-3961 (+5V) ECS-3963 (+3.3V) ECS-3961/3963 Parameters Conditions Units MIN TYP MAX MIN TYP MAX Frequency Range 1.544 125.000 1.000 125.000 MHz Operating Standard -10 +70 -10 +70 °C 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 ~ 9.999 MHz 15 8 mA • 3.3 or 5.0V v ersion 10.0 ~34.999 MHz 20 10 mA • 3.2 x 5 mm Footprint Input Current • Low Current 35.0 ~ 49.999 MHz 35 25 mA Consumption 50.0 ~ 125 MHz 40 35 mA • PbFree/RoHS Compliant @50% VCC Level 40/60 40/60 % Output Symmetry @50% VCC Level 45/55 45/55 % (T Option) 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% 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. Part Numbering Guide: Example ECS-3963-200-BN-TR ECS - Series - Frequency Abbreviations - Stability Tolerance - Temperature - Symmetry - Packaging ECS 3961 +5V 200 = 20 MHz A = ±100 ppm Blank = -10 ~ 70°C Blank = 40/60 TR = Tape & Reel 3 963 +3.3V B = ±50 ppm M = -20 ~ +70°C T = 45/55 1K/Reel C = ±25 ppm N = -40 ~ +85°C U = -55 ~ +125°C 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com

ECS-3961/3963 SMD Clock Oscillator Package Dimensions (mm) Figure 2) Land Pattern Figure 1) Top, Side, and Bottom views Pin Connections Tri-State Control Voltage #1 Tri-State** Pad 1 Pad 3 #2 Ground Open Oscillation #3 Output 70% VDD Min. Oscillation #4 VDD 30% VDD Max. No Oscillation ** Note: Internal pullup resistor from pin 1 to 4 allows active output if pin 1 is left open. Figure 3) Tape Specifications 15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com