ECS-3963

ECS-3961/3963 SERIES SMD CLOCK OSCILLATOR The ECS-3961 (5V) and ECS-3963 (3V) is our smallest crystal controlled low-current clock oscillator. This subminiature, very low profile leadless ceramic package is ideal for todays SMD manufacturing environment. Package is seam welded with a metal lid. FEATURES • 3x5 mm footprint • SMD • 3 & 5V versions • Seam welded package • Tape and Reel (1,000 pcs) • PbFree/RoHS Compliant PART NUMBERING GUIDE “EXAMPLE” M ANUFACTURER ECS – SERIES 3961 – FREQUENCY (14.4 MHz) 144 – (STABILITY TOLERANCE (A=±100 PPM) A Sample Part Number: ECS-3961-144-A OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PARAMETERS FREQUENCY RANGE FREQUENCY STABILITY** OPERATING TEMPERATURE STORAGE TEMPERATURE INPUT VOLTAGE VCC INPUT CURRENT OUTPUT SYMMETRY RISE AND FALL TIMES LOGIC “0” LEVEL LOGIC “1” LEVEL LOAD START-UP 2.5 ~ 35.0 MHz 35.0 ~ 50.0 MHz 1.8 ~ 36.0 MHz @ 1/2 VCC Level VCC x 0.1V max. VCC x 0.9V max. 15 10 15 10 pF ms Option (A) Option (B) Option (C)** CONDITIONS MIN 2.500 -100 -50 -25 -10 -55 +4.5 E CS-3961 (5V) TYP MAX 35.000 +100 +50 +25 +70 +125 +5.5 15 60/40 10 MIN 2.500 -100 -50 -25 -10 -55 +2.7 ECS-3963 (3.0V) TYP MAX 66.666 +100 +50 +25 +70 +125 +3.3 10 15 20 60 10 UNITS MHz PPM PPM PPM ˚C ˚C V DC mA mA mA % ns +5 +3.0 40/60 50 ±4 40 50 ±4 * Inclusive of 25˚C tolerance, operating temperature range, input voltage change, load change, aging shock and vibration. ** Reduced operating temperature with option C (±25 PPM) -10˚ ~ +60˚C *** An internal pullup resistor from pin 1 to 4 allows active output if pin 1 is left open. PACKAGE DIMENSIONS (mm) 1.2 4 3 1 2 TR TF 3.2 ± 0.1 1 LEVEL E CS-3961 (5V) Standby Control Voltage PIN #1 = OPEN*** #3 = OUTPUT #3 = OUTPUT PIN #1 = +3.5V MIN #3 = NO OSCILLATION PIN #1 = 1.5V MAX 90% VCC 1.0 1/2 VCC 10% VCC 0 LEVEL 0 VDC t T 1 5.0 ± 0.12 2 1.0 ±0.1 4 3 2.54 E CS-3963 (3V) Standby Control Voltage PIN #1 = OPEN*** #3 = OUTPUT #3 = OUTPUT PIN #1 = +2.1V MIN #3 = NO OSCILLATION PIN #1 = 0.9V MAX P IN CONNECTIONS #1 TRI-STATE*** #2 GND #3 OUTPUT #4 VCC Figure 1) ECS-3961/3963 Series Top, Side and Bottom Views Test Point Figure 2) Output Waveform 2.5 VCC A #4 2.3 DC Power Supply STANDBY 0.01µF STANDBY SW 1.6 1.6 CL: Including fixture and probe capacitance. Figure 3) Test Curcuit O.9 1.5 V #1 GND #2 CL O.8 VCC #3 OUTPUT 1.5 Figure 4) Land Pattern ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM SMD OSCILLATORS 46 SMD OSCILLATORS