technical data IN1489A qudruple line receivers ordering information IN1489An plastic IN1489Ad soic t a = -10 to 70 c for all packages the IN1489A is a monolithic quadruple line receivers designed to satisfy the requirements of the standa rd interface between data terminal equipment and data communication equipments as defined by eia standard rs-232c. a separate respons e control terminal is provided for each receiver. a resistor or a resistor and bias voltage can be connected between this terminal and ground to shift the input threshold voltage levels. an external capacitor can be connected from this terminal to ground to provide input noise filtering. ? input resistance ... 3 k to 7k ? input signal range ... 30 v ? operates from single 5 v supply ? built-in input hysteresis (double thresholds) ? response control provides: input tresold shifting input noise filtering ? satisfies requirements of eia rs-232c pin assignment logic diagram pin 14 =v cc pin 7 = gnd function table inputs output a y l h h l rev. 00
IN1489A rev. 00 maximum ratings * symbol parameter value unit v cc supply voltage 6 v v in input voltage 25 v i o output current 10 ma tstg storage temperature range -65 to +150 c * maximum ratings are those values beyond which damage to the device may occur. functional operation should be restricted to the reco mmended operating conditions. recommended operating conditions symbol parameter min max unit v cc supply voltage 5.5 v v ih high level input voltage 25 v v il low level input voltage -25 v i ol low level output current 10 ma t a ambient temperature range -10 +70 c dc electrical characteristics over full operating conditions guaranteed limit symbol parameter test conditions min max unit v t+ positive-going tthreshold input voltage 1.75 2.25 v v t- negaitive-going tthreshold voltage 0.75 1.25 v v oh high-level output voltage v i = 0.75 v, i ol = -0.5 ma 2.6 v input open, i oh =-0.5 ma 2.6 v ol high-level output voltage v i = 3 v, i ol = 10 ma 0.45 v i ih high level input current v i =25 v 3.6 8.3 ma v i =3 v 0.43 i il low level input current v i =-25 v -3.6 -8.3 ma v i =-3 v -0.43 i os short circuit output current -4.0 ma i cc supply current v i =5 v, outputs open 26 ma
IN1489A ac electrical characteristics (t = 25 c, v cc = 5.0 v, c l = 15 pf, t r =t f =5 ns) symbol parameter test conditions min max unit t plh propagation delay time, low-to-high level output (figure 1) r l =3.9 k 85 ns t phl propagation delay time, high-to-low level output (figure 1) r l =390 k 50 ns t tlh transition time, low-to-high level output (figure 1) r l =3.9 k 300 ns t thl transition time, high-to-low level output (figure 1) r l =390 k 24 ns figure 1. switching waveforms notes a. c l includes probe and jig capacitance. b. all diodes are 1n916 or 1n3064/ figure 2. test circuit rev. 00
IN1489A 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 flas h or protrus ions 0.25 mm (0.010) per s ide. 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 flas h or protrus ion 0.15 mm (0.006) per s ide 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 seating plane n k 0.25 (0.010) m t m j -t- c 1 14 7 8 rev. 00
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