technical data 2011 , april ver. 0 2 quadruple line drivers the IN1488 is a monolithic quadruple line driver designed to interface data terminal equipment with data communication equipment in co nformance with the specifications of eia standard rs - 232c. ? meets specifications of eia rs - 232c ? current limited output 10 ma typical ? power - off output impedance 300 ? min ? simple slew rate control by load capacitor ? flexible operating supply range ? input are ttl and dtl circuits compatible logic diagram pin 1 = v ee pin 14 = v s pin 7 = gnd IN1488 IN1488n dip - 14 IN1488d /dt so p - 14 pin assignment unction tafble inputs output a b y h h l l x h x l h x - dont care v ee v s ordering information device operating temper a ture range package shipping IN1488n = 0 + 70 ? dip - 14 tube IN1488d sop - 14 tube IN1488dt sop - 14 tape& reel n suffix plastic d suffix soic 1 14 1 14
IN1488 2011 , april ver. 0 2 maximum ratings * symbol parameter value unit v s supply voltage 15 v v ee supply voltage - 15 v v i input voltage range - 15 to 7 v v o output voltage range - 15 to 15 v p t continuous total dissipation at (or below) 25 ? c 1 w tstg storage temperature range - 65 to 150 ? c * stresses beyond 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 conditions 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 s supply voltage 15 v v ee supply voltage - 15 v v il low level input voltage 1.9 v v ih high level input voltage 0.8 v t a operating temperature, all package types - 10 70 ? c
IN1488 2011 , april ver. 0 2 dc electrical characteristics ( t a = - 10 0 c to 70 0 c) symbol parameter test conditions guaranteed limits unit min max v oh high - level output voltage v il =0.8v v s =9v v ee = - 9v 6 v r l =3k ? s =13.2v v ee =13.2v 9 v ol low - level output voltage v ih =1.9v v s =9v v ee = - 9v - 6 v r l =3k ? s =13.2v v ee = - 13.2v - 9 i ih high - level input current v i =5v v s =9v, v ee = - 9v 10 ? il low - level input current v i =0v v s =9v, v ee = - 9v - 1.6 ma i os * short - circuit output current at high level v i =0.8v v o =0v v s =9v, v ee = - 9v - 6 - 12 ma i os * short - circuit output current at low level v i =1.9v v o =0v v s =9v, v ee = - 9v 6 12 ma r o output resistance, power off v s =0v, v ee =0v v o = - 3v or 3v 300 ? s =9v, all inputs at 1.9v 20 all inputs at 0.8v 6 i oc + supply current v s =12v all inputs at 1.9v 25 ma from v s all inputs at 0.8v 7 v s =15v all inputs at 1.9v 34 t a =25 ? ee = - 9v, all inputs at 1.9v - 17 all inputs at 0.8v - 0.015 i oc - supply current v ee = - 12v all inputs at 1.9v - 23 ma from v ee all inputs at 0.8v - 0.015 v ee = - 15v all inputs at 1.9v - 34 t a =25 ?
IN1488 2011 , april ver. 0 2 ac electrical characteristics (v s = 9v, v ee = - 9v,t a = 25 ? c, t r = t f = 5ns) symbol parameter test condition guaranteed limits unit min max t plh propagation delay time, low - to - high - le vel output 350 ns t phl propagation delay time, high - to - low - level output r l =3k ? l =15pf see figure 1 175 ns t tlh transition time, low - to - high - level output * 100 ns t thl transition time, high - to - low - level output * 75 ns * measured between 10% and 90% points of output waveform. figure 1. switching waveforms * includes all probe and jig capacitance figure 2. test circuit
IN1488 2011 , april ver. 0 2 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 notes: 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 suffix soic (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 notes: 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 side. r 0.25 0.5 dimension, mm 1.27 5.27 2.54 7.62 dimension, 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 seating plane n k 0.25 (0.010) m t m j -t- c 1 14 7 8
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