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| ECS-3951M-BN/3953M-BN SERIES SMD CLOCK OSCILLATORS The ECS-3951M-BN(5V) and ECS3953M-BN(3.3V) Series are miniature, crystal controlled, low current clock oscillators in a ceramic SMD package with an extended temperature range of -40 to +85C with a frequency stability of 50 ppm. FEATURES 3.3V or 5.0V Version Extended Temp Range Low Power Consumption Seam Welded Package Tape & Reel (1,000 pcs. STD) PART NUMBERING GUIDE SERIES ECS-3951M FREQUENCY (50.000 MHz) 500 STABILITY B = 50 ppm B TEMP RANGE N = -40 to +85C N Sample Part Number: ECS-3951M-500-BN PARAMETERS Frequency Range Temperature Range Supply Voltage Frequency Stability CONDITIONS Operating Storage Option (B) 1.8 ~ 36.0 MHz 36.1~ 70.0 MHz 70.1 ~ 100.0 MHz 100.1 ~ 125.0 MHz at 1/2 Vcc Level 1.8 ~ 70.0 MHz 70.1 ~ 125.0 MHz Vcc x 0.1V max. Vcc x 0.9V Min. HCMOS 1.8 ~ 36.0 MHz 36.0 ~ 70.0 MHz 70.0 ~ 125.0 MHz ECS-3951M-BN (5V) MIN TYP MAX 1.8 -40 -55 +4.5 +5.0 125.0 +85 +125 +5.5 50 20 55 60 65 40/60 60/40 15 5 ECS-3953M-BN(3.3V) * MIN TYP MAX 1.800 -40 -55 +3.0 +3.3 125.0 +85 +125 +3.6 50 15 25 30 35 40/60 60/40 5 5 UNITS MHz C C V DC ppm mA mA mA mA % ns ns Input Current Output Symmetry Rise and Fall Times Logic "0" Level Logic "1" Level Load Start-Up Time Enable/Disable Time 30 5 10 15 100 15 5 10 15 100 pF ms ms ms ns * ECS-3953M-BN is also compatible with a supply voltage of +3.0 V DC 0.3 V. ** Inclusive of 25C tolerance, operating temperature range, input voltage change, aging, shock and vibration. *** An internal pullup resistor from pin 1 to 4 allows active output if pin 1 is left open. ECS-3951M/3953M Standby Control Voltage Pin #1=Open #3=Oscillation PACKAGE DIMENSIONS (mm) Pin #1=+2.2V Min. Pin #1=+0.8V Max. #3=Oscillation #3=High Impedance Pin Connections #1 Tri-State *** #2 #3 #4 Gnd Output Vcc Figure 1) Top, Side, Bottom Views Figure 2) Land Pattern ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 * 913-782-7787 * 800-237-1041 * FAX 913-782-6991 * WWW.ECSXTAL.COM |
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