ECS-3951M/3953M Series SMD Clock Oscillator The ECS-3951M (5V) and ECS 3953M (3.3V) Series are miniature, crystal controlled, low current clock oscillators in a ceramic SMD package. Package is seam welded with a metal lid. Request a Sample The low profile package is ideal for todays advanced portable PC and instrumentation designs. OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS ECS-3951M (5V) ECS-3953M (3.3V)* ECS-3951M/3953M Parameters Conditions Units MIN TYP MAX MIN TYP MAX Frequency Range 1.000 125.0 1.000 125.0 MHz Operating -10 +70 -10 +70 C Temperature Range Storage -55 +125 -55 +125 C Supply Voltage +4.5 +5.0 +5.5 +3.0 +3.3 +3.6 V DC Standard -100 40 +100 -100 40 +100 PPM Frequency Stability** Option (B) -50 +50 -50 +50 PPM Option (C) -25 +25 -25 +25 PPM 1.0 ~ 36.0 MHz 20 15 mA 36.1 ~ 70.0 MHz 55 25 mA 3.3 or 5.0V version Input Current Low Power Consumption 70.1 ~ 100.0 MHz 60 30 mA Standby function 100.1 ~ 125.0 MHz 65 30 mA Seam welded package VCC Level 40/60 60/40 40/60 60/40 % Tape & Reel (1,000 pcs) PbFree/RoHS Compliant Output Symmetry VCC Level 45/55 45/55 % (T Option) 1.0 ~ 70.0 MHz 15 5 nS Rise and Fall Times 70.1 ~ 125.0 MHz 5 5 nS Logic 0 Level VCC x 0.1V max. Logic 1 Level VCC x 0.9V min. Load HCMOS 30 15 pF 1.0 ~ 36.0 MHz 5 5 ms Start-Up Time 36.1 ~ 70.0 MHz 10 10 ms 70.1 ~ 125.0 MHz 15 15 ms VOL=0.5V/0.33 4 4 mA Output Current (IOL) (IOH) VOL=4.5V/2.97V -4 -4 mA Enable/Disable Time 100 100 ns *ECS-3953M is also compatible with a supply voltage of +3.0V DC 0.3V **Inclusive of 25C tolerance, operating temperature range, input voltage change, load change, aging shock and vibration. ***An internal pullup resistor from pin 1 to 4 allows active output if pin 1 is left open. Note: A 0.01 F bypass capacitor should be placed between VCC (Pin 4) and GND (Pin2) to minimize power line noise. Part Numbering Guide: Example ECS-3951M-500-B-TR ECS - Series - Frequency Abb reviation - Stability Tolerance - Temperature - Output Symmetry - Packaging TR = Blank = -10 ~ 70C ECS 3951M +5V A = 100 ppm Blank = 60/40 500 = 50 MHz Tape & Reel M = -20 ~ +70C T= 45/55 B = 50 ppm 3953M +3.3V N = -40 ~ +85C 1K/Reel C = 25 ppm U = -55 ~ +125C D = 20 ppm th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com ECS-3951M/3953M Series SMD Clock Oscillator Package Dimensions (mm) Figure 2) Land Pattern Figure 1) Top, Side, and Bottom views ECS-3951M/3953M Standby Control Voltage Pin Connections Pin 1 = Open*** 3 = Oscillation 1 Tri-State*** Pin 1 = 2.2V Min. 3 = Oscillation 2 Ground Pin 1 = 0.8V Max 3 = High Impedance 3 Output 4 VCC th 15351 West 109 Street Lenexa, KS 66219 Phone: 913.782.7787 Fax: 913.782.6991 www.ecsxtal.com