37 kt14 series smd crystal clock oscillators temperature compensated features 1) ultra low profile smd type (9.0x7.0x1.7mm) 2) fequency adjustment free after reflow soldering process 3) afc function available (option) 4) 2.8, 3.0, 3.3v drive available 5) 2000 pieces per reel 6) sold in increments of 2000 pieces how to order kt14 - e c t 28 l - 19.440m t 1 23456 7 8 1 type 2 frequency stability: d=2ppm, e=2.5ppm, k=5ppm 3 lower operating temp.: c=-30c; e=-20c, g=-10c 4 upper operating temp.: r=60c; t=70c; v=80c 5 supply voltage: 28=2.8v; 50=3.0v 6 afc function; v=with; n=without; l=with (trimmerless) 7 frequency: see table below. 8 packaging: t=tape and reel specifications parameters code specification unit remarks phs cellular 2.8v5% supply voltage vcc 2.8v5% 3.0v5% v 3.3v5% output frequency fout 19.200 13.000 14.400 mhz 14.850 16.800 19.200 19.440 19.680 19.800 operating temp. topr -10 ~ 60 -30 ~ 80 max. c storage temp. tstr -20 ~ 70 -40 ~ 85 c frequency stability ? f/fo 2.5 max. 2.0 max. ppm vs. temp. (after reflow) 2.5 max. 0.2 max. vs. load 0.3 max. vs. voltage aging rate aging 1.0 max. ppm/year 1 year output voltage vout 1.0 min. vp-p load 10k /10pf supply current icc 2.0 max. ma no load trimmer control range ? f/c 3.0 min. ppm voltage control range ? f/v ex: 8.0 ~ 15.0 ppm 1.5v1v, 2.51v harmonics -3.0 max. dbc dimensions recommended land pattern #3 pin (output) 1.40 1.40 3.68 1.60 1.60 4.60 #4 pin (v cc ) #2 pin (gnd) #4 pin (n.c. or v con ) pad no. function 1 nc or vcon 2 gnd/case gnd 3 output 4 +vcc peak: 230 5 c 15 sec. max. 180 c min. 40 sec. max. 150 10 c 50 60 sec. 60 sec. time (sec.) 100 150 180 200 250 temperature (c ) 0 recommended reflow profile (ir reflow) synchronized scope counter c1: probe capacitance (10pf) 43 12 10k 10% c1 oscillator a v power supply vcc vcon or n.c. test circuit (amplitude) test circuit (harmonics & frequency) spectrum analyzer 43 12 10k 10% 10pf 10% oscillator power supply vcc a v vcon or n.c. 9.0 0.3 freq. adj. #1 pin mark marking 7.0 0.3 5.08 0.15 (4.6) 1.2 0.1 1.2 0.1 1.4 0.5 1.7 max.
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