ecs-300c dual output cmos clock oscillator the ecs-300c utilizes a built in divider circuit to provide a second divided output. the cmos based oscillator features low current consumption in a standard 8-pin dip package. 1105 south ridgeview road z olathe, ks 66062 z phone: 913.782.7787 z fax: 913.782.6991 z www.ecsxtal.com parameters conditions ecs-300c min typ max operating conditions / el ectrical characteristics possible frequency divi sions by p art number units cmos voh vol primary output primary output all conditions v cc divided output divided output startup time output voltage input current frequency range operating temperature storage temperature input voltage frequency stability * output symmetry rise and fall times output load 12.000 0.048875 -55 -10 +3.0 v cc x 0.9 v cc x 0.1 mhz mhz c c vdc ppm ma % % ns vdc vdc pf ms 24.000 12.000 +70 +125 +5.5 100 20 60/40 52/48 48/52 40/60 15 50 1.5 dimensions (mm) * note: inclusive of 25c tolerance, operating temper ature,input voltage change, l oad change, shock and vibration. figure 1) top, side and end views figure 2) block diagram part numbering guide: example ECS-300C-120 output input pin connections standard frequencies ecs part number f o clock pin 1 f o/2 ? (divided output) pin 2 ? * 1 ? * 2 ? * 3 ? * 4 ? * 5 ? * 6 ? * 7 ? * 8 pin 2 (divided output) fo ? * 1 clock fo ? * 2 clock fo ? * 3 clock fo ? * 4 clock fo ? * 5 clock fo ? * 6 clock fo ? * 7 clock fo ? * clock fo clock fo clock fo clock fo clock fo clock fo clock fo clock fo clock l l pin 1 (primary output) #1 #2 #3 #4 #5 #6 #7 #8 ECS-300C-120 ecs-300c-160 ecs-300c-240 12.000 mhz 16.000 mhz 24.000 mhz 6.000 mhz 8.000 mhz 12.000 mhz 3.000 mhz 4.000 mhz 6.000 mhz 1.500 mhz 2.000 mhz 3.000 mhz 750 khz 1.000 mhz 1.500 mhz 750 khz 375 khz 187.5 khz 93.75 khz 500 khz 250 khz 125 khz 62.5 khz 375 khz 187.5 khz 93.75 khz 46.875 khz low current consumption built in divider circuit 8-pin dip package ecs - series - frequency abbreviation 300c 120 = 12.000 mhz st divider selection a l l l l l l l l l l l l l h h h h h h h h h h h h h h h h h h h b c x x output divided output standby ground v cc 12.000 mhz, 12.288 mhz, 12.800 mhz, 14.31818 mhz, 14.7456 mhz, 15.9744 mhz, 16.000 mhz, 16.384 mhz, 17.734476 mhz, 18.432 mhz, 19.6608 mhz, 20.000 mhz, and 24.000 mhz +5.0 a (divider selection) b (divider selection) c (divider selection) x h discontinued
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