Ultra Miniature SMD HCMOS TCXO Model: FOX251 Series RoHS Compliant / Pb Free Page 1 of 1 • PART NUMBER SELECTION Model Number Part Number 830-Frequency-xxxxx 830A-Frequency-xxxxx 830B-Frequency-xxxxx Supply Voltage (Vdd) 3.3V±5% 2.8V±5% 2.5V±5% FOX251C FOX251D FOX251G • ELECTRICAL CHARACTERISTICS MAX (unless otherwise noted) PARAMETERS Frequency Range (MHz) Temperature Range Operating (Topr) Storage (Tstg) Supply Voltage (Vdd) Input Current (Idd) Standby Current Initial Frequency Tolerance @ 25ºC (after 2 reflows) Frequency Stability Over Temp Range Over Supply Voltage Change (Vdd±5%) Over Load Range (15pF ±10%) Rise Time (10% ~ 90% Vdd) (Tr) Fall Time (90% ~ 10% Vdd) (Tf) Symmetry (50% Vdd) Output Voltage (Vol) (Voh) Output Load (Cl) Aging per year Startup Time (Ts) Disable Time Enable Time Phase Noise @ 10kHz offset Reflow Soldering Temp Moisture Sensitivity Level (MSL) Termination Finish • INPUT CURRENT (Idd) (mA Max) 4 ~ 10MHz 2.5V 3.1 2.8V 3.4 3.3V 4.0 10+ ~ 20MHz 3.7 4.1 4.8 20+ ~ 30MHz 4.2 4.7 5.5 10.000MHz 20.000MHz 40.000MHz -30ºC ~ +75ºC -40ºC ~ +125ºC +2.5V ~ +3.3 Vdc ±5% See table below 10uA ±1.5 PPM ±2.5 PPM ±0.2 PPM ±0.2 PPM 5nS 5nS 45% ~ 55% 10%Vdd 90%Vdd Min 15pF ±1.0PPM 10mS 250nS 10mS -140dBc/Hz Typical 260ºC / 10 Seconds 1 Au #3 #4 T op V ie w 2.1 Ma x #2 #1 Dot de note s p in 1 . 0.95 Ma x B ottom V ie w #1 #2 0.65 #4 #3 0.95 0.1 R e c om m e nde d S o ld e r P a d L a y o u t 0.95 #4 #3 #1 #2 0.8 0.65 0.9 30+ ~ 40MHz 4.6 5.2 6.0 40+ ~ 54MHz 5.5 6.0 7.0 12.000MHz 24.000MHz 44.000MHz Does not imply a stocked part. 2 An internal pullup resistor from pin 1 to pin 4 allows active output if pin 1 is left open. Dimensional drawing is for reference to critical specifications defined by size measurements. Certain non-critical visual attributes, such as side castellations, reference pin shape etc. may vary. All specifications are subject to change without notice 1 2.6 Ma x 4.000 ~ 54.000 • STANDARD FREQUENCIES1 5.000MHz 16.000MHz 32.000MHz Rev. 2/22/2013 http://www.foxonline.com/need_a_sample.htm All dimensions are in millimeters. P in C o n n e c t io n s # 1 E /D #2 GND # 3 O u t pu t # 4 V DD • Enable / Disable Function OUTPUT (Pin 3) (Pin 1) ACTIVE OPEN 2 '1' Level Vih ≥ 70%Vdd ACTIVE '0' Level Vil ≤ 30%Vdd High Z F O X E l e c t r o n i c s 5 5 7 0 E n t e r p r i s e P a r k w a y F o r t M y e r s , F l o r i d a 3 3 9 0 5 U S A + 1 . 2 3 9 . 6 9 3 . 0 0 9 9 FA X + 1 . 2 3 9 . 6 9 3 . 1 5 5 4 w w w. f o x o n l i n e . c o m E M E A Te l : + 4 4 . 1 2 8 3 . 5 6 8 1 5 3 | C a n a d a + 1 . 8 8 8 . 4 3 8 . 2 3 6 9 | A s i a H o n g K o n g Te l : + 8 5 2 . 2 8 5 4 . 4 2 8 5 | J a p a n Te l : + 8 1 . 3 . 3 3 7 4 . 2 0 7 9 © 2 0 1 3 F O X E L E C T R O N I C S | A n I n t e g r a t e d D e v i c e Te c h n o l o g y, I n c . c o m p a n y | I S O 9 0 0 1 : 2 0 0 8 C e r t i f i e d 33