technical data IN75232 eia-232-d interface 1 chip ic description the IN75232n, IN75232d, IN75232tds are monolithic device containing 3 independent drives and 5 receivers. these are designed to interface between date terminal equipment and date communication equipment as designed by eia-232- d. v cc- ra5 dy3 ra4 dy2 dy1 ra3 ra2 ra1 v cc+ 10 9 8 7 6 5 4 3 2 1 11 12 13 14 15 16 17 18 19 20 gnd ry5 da3 ry4 da2 da1 ry3 ry2 ry1 v cc block d iagram i l75232n , i l75232d features ? meets standard eia-232-d (revision of rs-232-c) ? designed to support data rate up to 120kbps ? drivers - current limited output 10 ma typical - power-off output impedance 300 min - slew rate control by load capacitor - flexible supply voltage range - input compatible with most ttl and dtl circuits ? receivers - input resistance 3 k to 7 k - input signal range 30 v - built-in input hysteresis (double threshold) ? the transmitter outputs and receiver inputs are protected to 15kv air esd. IN75232n , IN75232d , IN75232tds pin description name pin no function name pin no function v cc+ 1 driver section supply + v cc- 10 driver section supply - da1 16 dy1 5 da2 15 dy2 6 driver output da3 13 driver input dy3 8 v cc 20 receiver section supply gnd 11 ground ra1 2 ry1 19 ra2 3 ry2 18 ra3 4 receiver input ry3 17 receiver output ra4 7 ry4 14 ra5 9 ry5 12 rev. 01
IN75232 absolute maximum ratin gs symbol parameter rating unit v cc+ supply voltage 15 v v cc- supply voltage -15 v v cc supply voltage 10 v vi (driver) input voltage -15 ~7 v vi (reciver) input voltage 30 v vo (driver) output voltage -15 ~15 v pt continuous power dissipation (below 25 o c) 1.0 w o c t stg storage temperature -65 ~150 o c top operating temperature 0 ~75 schematic v cc- 300 70 6.2 8.2 70 7 10 3.6 v cc+ da dy driver receive r 10 2 4 2 5 9 v cc da dy rev. 01
IN75232 rev. 01 electrical characteristics supply current v cc = 5v, t a = 25 o c symbol parameter test conditions min max unit i cc+ supply current v cc+ = 9 v v in = 1.9v 15 ma from v cc+ no load v in = 0.8v 4.5 v cc+ = 12 v v in = 1.9v 19 no load v in = 0.8v 5.5 v cc+ = 15 v v in = 1.9v 25 no load v in = 0.8v 9 i cc- supply current v cc- = -9 v v in = 1.9v -15 ma from v cc- no load v in = 0.8v -3.2 v cc- = -12 v v in = 1.9v -19 no load v in = 0.8v -3.2 v cc- = -15 v v in = 1.9v -25 no load v in = 0.8v -3.2 i cc supply current v cc = 5 v v in = 5.0v 30 ma from v cc driver section symbol parameter test conditions min max unit v ih high level v cc+ = 9 v 1.9 v input voltage v cc- = -9 v v il low level 0.8 v input voltage v oh high level v il = 0.8v v cc+ = 9 v 6 v output voltage rl = 3 k v cc- = -9 v v cc+ = 13.2 v 9 v cc- = -13.2 v v ol low level v ih = 1.9v v cc+ = 9 v -6 v output voltage rl = 3 k v cc- = -9 v v cc+ = 13.2 v -9 v cc- = -13.2 v i ih high level v i = 5v 10 a input current i il low level v i = 0 -1.6 ma input current i os(h) short circuit v i = 0.8v -6 -12 ma output current v o = 0 at high level i os(l) short circuit v i = 1.9v 6 12 ma output current v o = 0 at low level r o output resistance, v cc+ = 0, v cc- = 0 300 power off v o = -2v to 2v
IN75232 rev. 01 driver switching characteristic v cc+ = 9v, v cc- = -9v t a = 25 o c symbol parameter test conditions min max unit t plh propagation delay time, rl = 3 k 500 ns low-to-high-level output cl = 15 f t phl propagation delay time, 175 ns high -to- low -level output see figure 1 t tlh transition time, 100 ns low-to-high-level output * t thl transition time, 75 ns high -to- low -level output* t tlh transition time, rl = 3 k to 7 k 2.5 s low-to-high-level output** cl = 2500 f (tip) t thl transition time, 3.0 s high-to-low -level output** see figure 1 (tip) *- measured between 10 % and 90 % points of output waveform ** - measured between +3v and -3v points on the output waveform (eia-232-d condition) receiver section symbol parameter test conditions min max unit vt+ positive-going 1.75 2.25 v threshold voltage vt- negative-going 0.75 1.25 v threshold voltage v oh high level output v i = 0.75v, i ol = - 0.5ma 2.6 5 v voltage input open, 2.6 5 i ol = -0.5 ma v ol low level output voltage v i = 3v, i ol = 10 ma 0.45 v i ih high-level input current v i = 25v 3.6 8.3 ma v i = 3v 0.43 i il low-level input current v i = -25v -3.6 -8.3 ma v i = -3v -0.43 i os short-circuit -3 ma output current (tip) receiver switching characteristic v cc = 5v symbol parameter test conditions min max unit t plh propagation delay time, c l = 15 f 150 ns low-to-high-level output r l = 3.9 k t phl propagation delay time, c l = 15 f 50 ns high -to- low -level output r l = 390 k t tlh transition time, c l = 15 f 175 ns low-to-high-level output r l = 3.9 k t thl transition time, c l = 15 f 20 ns high -to- low -level output r l = 390 k
IN75232 parameter measurement information driver c l r l test circuit output pulse generator (see note a) reseive r v cc c l r1 test circuit output ( see note c ) pulse generator (see note a) voltage waveform intput 50% 50% 1.5v 1.5v 3v v ol v oh ov 10ns t phl t plh t tlh t thl output t w =25 s, voltage waveform intput 1.5v 1.5v 50% 10% 10% 90% 90% 50% 3v v ol v oh ov 10ns t phl t plh t tlh t thl output note a. the pulse generator has the following characteristics. f = 200 khz, z o = 50 b. c included probe and jig capacitance. c. all diodes are 1n3064 or equivalent. fig1. propagation and transition times typical application db95 si o card rev. 01 i la75232n , d 9 8 6 7 5 4 3 2 1 uart IN75232n,d +5v +12v dcd /dcd dsr /dsr rx sin rts /rts tx so u t cts /cts dtr /dtr ri /ri -12v
IN75232 rev. 01 n suffix plastic dip (ms - 001ad) symbol min max a 24.89 26.92 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 - 013ac) symbol min max a 12.6 13 b 7.4 7.6 c 2.35 2.65 d 0.33 0.51 f 0.4 1.27 g h notes: j 0 8 1. dimensions a and b do not include mold flash or protrusion. k 0.1 0.3 2. maximum mold flash or protrusion 0.15 mm (0.006) per side m 0.23 0.32 for a; for b ? 0.25 mm (0.010) per s ide. p 10 10.65 r 0.25 0.75 dimens ion, mm 1.27 9.53 dimens ion, mm 2.54 7.62 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 20 10 11 l h m j a b f g d seating plane n k 0.25 (0.010) m t -t- c 1 20 10 11
IN75232 tssop-20 rev. 01
|
