techni cal data 2011, january, ver.01 timing circuit th e in556 n/d monolithic timing circuit is a highly stable controller capable of producing accurate time delays, or oscillati on. ? timing from microseconds through hours ? operates in both astable and monostable modes ? high current output can source or sink 200 ma in556 ordering information in556n plastic in556d soic t a = - 10 to 70 c for all packages logic diagram pin assignment
i n556 2011, january, ver.01 maximum ratings * symbol parameter value unit v cc supply voltage 18 v tstg storage temperature - 60 to +85 c * stresses bey ond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditio ns? is not implied. exposure to absolute - maximum - rated conditions for extended periods may affect device reliability. recommended operating conditions symbol parameter min max unit v cc supply voltage 4.5 16 v t a operating temperature, all package types - 10 +70 c electrical characteristics (t a =+25 c) symbol parameter test conditions guaranteed limits unit min max i cc supply current v cc =5.0 v, r l = v cc =15 v, r l = 12 30 ma timing error r=1.0 k ? to 100 k ? initial accuracy c = 0.1 f v cc =5.0 v and v cc =15 v 4 % v th threshold voltage v cc =5.0 v v cc =15 v 2.6 9 4.0 11 v v t trigger voltage v cc =5.0 v v cc =15 v 1.1 4.5 2.2 5.6 v i t trigger current v 06,08 =0 v, v cc =15 v - 2 a v r reset voltage v cc =15 v 0.4 1.0 v i r reset current v 04,10 =0 v, v cc =15 v - 0.6 ma i th threshold current (note 1) v 02,12 = 10 v, v cc =15 v 0.25 a i dis discharge leakage current v cc =15 v, v 01,13 =15 v 100 na v ref control voltage level v cc =15 v v cc =5.0 v 9.0 2.6 11 4.0 v v ol output voltage low (v cc =15 v) i sink =10 ma, i sink =50 ma, i sink =100 ma, v cc =5.0 v, i sink =5.0 ma 0.25 0.75 2.3 0.35 v v oh output voltage high i source =200 ma,v cc =15 v i source =100 ma, v cc =15 v i source =100 ma, v cc =5.0 v 12 12.75 2.75 v t olh rise time of output v cc =15 v 300 ns t ohl fall time of output v cc =15 v 300 ns note 1. this will determine th e maximum value of r a + r b for 15 v operation. the maximum total r=20 m ? .
i n556 2011, january, ver.01 n suffix plastic dip (ms - 001aa) symbol min max a 18.67 19.69 b 6.1 7.11 c 5.33 d 0.36 0.56 f 1.14 1.78 g h j 0 10 k 2.92 3.81 no tes : l 7.62 8.26 1. dimensions ?a?, ?b? do not include mold flash or protrusions. m 0.2 0.36 maximum mold flash or protrusions 0.25 mm (0.010) per side. n 0.38 d s uffix s oic (ms - 012ab) symbol min max a 8.55 8.75 b 3.8 4 c 1.35 1.75 d 0.33 0.51 f 0.4 1.27 g h j 0 8 no tes : k 0.1 0.25 1. dimensions a and b do not include mold flash or protrusion. m 0.19 0.25 2. maximum mold flash or protrusion 0.15 mm (0.006) per side p 5.8 6.2 for a; for b ? 0.25 mm (0.010) per s ide. r 0.25 0.5 dimens ion, mm 1.27 5.27 2.54 7.62 dimens ion, mm a b h c k c m j f m p g d r x 45 seating plane 0.25 (0.010) m t -t- 1 14 7 8 a b f g d l h se ati ng plane n k 0.25 (0.010) m t m j -t- c 1 14 7 8
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