www.globaltechsemi.com 1 gs75232 gs 75232 multiple rs - 232 drivers & receivers product description the gs75232 are monolithic device containing 3 independent drives and 5 receivers. these are designed to interface between date terminal eq uipment and date communication equipment as designed by eia - 232 - d. features n meets standard eia - 232 - d (revision of rs - 232 - c) n drivers - current limited output : 10 ma typical - power - off output impedance : 300 w min - slew rate control by load capacitor - flexible supply voltage range - input compatible with most ttl and dtl circuits n receivers - input resistance : 3 k w to 7 k w - input signal range : 30 v - built - in input hy steresis (double threshold) vcc + vcc vcc - gnd ra 1 ry 1 ra 2 ra 3 ry 2 ry 3 dy 1 dy 2 da 1 da 2 ra 4 ry 4 ra 5 ry 5 dy 3 da 3 gs75232 p in descrip tion 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
gs 75232 globaltech semiconductor www.globaltechsemi.com 2 gs75232 representative schematic diagram da dy vcc + vcc - 8 k 2 3 k 6 10 k 7 k 70 70 6 k 2 300 da dy 2 k 5 k 9 k 2 k 10 k 4 k vcc driver receiver ordering information devic e package GS75232S soic - 20 gs 75232ss s sop - 20 gs75232ts tssop - 20 ? f ? means lead free part. * request f or other voltages , please contact factory directly . absolute maximum ratings symbol parameter rating unit v cc+ supply voltage 15 v v cc - supply volta ge - 15 v v cc supply voltage 10 v vi (driver) input voltage - 15 to +7 v vi (reciver) input voltage 30 v vo (driver) output voltage - 15 to +15 v pt continuous power dissipation (below 25 o c) 1.0 w t stg storage temperature - 65 to +175 o c top operatin g temperature 0 to +75 o c
gs 75232 globaltech semiconductor www.globaltechsemi.com 3 gs75232 electrical characteristics supply current ( v cc = 5v, t a = 25 o c ) symbol parameter test condition 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 ma from v cc v cc = 5 v v in = 5.0v - 30 receiver section symbol parameter test conditions min max unit positive - going vt+ threshold voltage 1.75 2.25 v negative - g oing vt - threshold voltage 0.75 1.25 v v i = 0.75v, i ol = - 0.5ma 2.6 5 input open, v oh high level output voltage i ol = - 0.5 ma 2.6 5 v v ol low level output voltage v i = 3v, i ol = 10 ma - 0.45 v v i = 25v 3.6 8.3 i ih high - level input current v i = 3v 0.43 - ma v i = - 25v - 3.6 - 8.3 i il low - level input current v i = - 3v - 0.43 - ma short - circuit - 3 i os output current (tip) ma receiver switching characteristic ( v cc = 5v ) symbol parameter test conditions min max unit t plh propagation delay t ime, low - to - high - level output c l = 15 r f r l = 3.9 k w - 150 ns t phl propagation delay time, high - to - low - level output c l = 15 r f r l = 390 k w - 50 ns t tlh transition time, low - to - high - level output c l = 15 r f r l = 3.9 k w - 175 ns t thl transition tim e, high - to - low - level output c l = 15 r f r l = 390 k w - 20 ns
gs 75232 globaltech semiconductor www.globaltechsemi.com 4 gs75232 driver section symbol parameter test conditions min max unit high level v cc+ = 9 v v ih input voltage v cc - = - 9 v 1.9 - v low level v il input voltage - 0.8 v v cc+ = 9 v v cc - = - 9 v 6 - v v cc+ = 13.2 v v oh high level output voltage v il = 0.8v rl = 3 k w v cc - = - 13.2 v 9 - v cc+ = 9 v v cc - = - 9 v - - 6 v v cc+ = 13.2 v v ol low level output voltage v ih = 1.9v rl = 3 k w v cc - = - 13.2 v - - 9 high level i ih input current v i = 5v - 10 m a low level i il input current v i = 0 - - 1.6 ma short circuit output current i os(h) at high level v i = 0.8v v o = 0 - 6 - 12 ma short circuit output current i os(l) at low level v i = 1.9v v o = 0 6 12 ma output resistance, v cc+ = 0, v cc - = 0 r o power off v o = - 2v to 2v 300 - w 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, ns low - to - high - level output - 500 t phl propagation delay time, ns high - to - low - level output - 175 t tlh transition time, low - to - high - level output * - 100 ns t thl transition time, high - to - low - level output* rl = 3 k w cl = 15 m f see figure 1 - 75 ns t tlh transition time, low - to - high - level output** 2.5 (tip) m s t thl transition time, high - to - low - level output** rl = 3 k w to 7 k w cl = 2500 r f see figure 1 3.0 (tip) m s * - measured between 10 % and 90 % points of output w aveform ** - measured between +3v and - 3v points on the output waveform (eia - 232 - d condition)
gs 75232 globaltech semiconductor www.globaltechsemi.com 5 gs75232 receiver section symbol parameter test conditions min max unit positive - going vt+ threshold voltage 1.75 2.25 v negative - going vt - thres hold voltage 0.75 1.25 v v i = 0.75v, i ol = - 0.5ma 2.6 5 input open, v oh high level output voltage i ol = - 0.5 ma 2.6 5 v v ol low level output voltage v i = 3v, i ol = 10 ma - 0.45 v v i = 25v 3.6 8.3 i ih high - level input current v i = 3v 0.43 - ma v i = - 25v - 3.6 - 8.3 i il low - l evel input current v i = - 3v - 0.43 - ma short - circuit - 3 i os output current (tip) ma receiver switching characteristic ( v cc = 5v ) symbo l parameter test conditions min max unit t plh propagation delay time, low - to - high - level out put c l = 15 r f r l = 3.9 k w - 150 ns t phl propagation delay time, high - to - low - level output c l = 15 r f r l = 390 k w - 50 ns t tlh transition time, low - to - high - level output c l = 15 r f r l = 3.9 k w - 175 ns t thl transition time, high - to - low - level o utput c l = 15 r f r l = 390 k w - 20 ns typical performance characteristics pulse generator ( see note a ) output receiver c l r l pulse generator ( see note a ) output driver c l r l input output 3 v 0 v v oh v ol 1 . 5 v 1 . 5 v 10 ns 50 % 50 % t thl t tlh t plh t plh voltage waveform input output 3 v 0 v v oh v ol 50 % 50 % 10 ns 1 . 5 v 1 . 5 v t thl t tlh t plh t plh 10 % 10 % 90 % 90 % tw = 20 us , voltage waveform note a. the pulse generator has the following characteristics. f = 200 khz, z o = 50 w b. c included probe and jig capacitance. c. al l diodes are 1n3064 or equivalent. fig1. propagation and transition times
gs 75232 globaltech semiconductor www.globaltechsemi.com 6 gs75232 applications information 1 2 3 4 5 6 7 8 9 - 12 v + 12 v + 5 v uart dcd dsr rts s out cts s in dtr ri rs - 232 db - 9 connector sio card
gs 75232 globaltech semiconductor www.globaltechsemi.com 7 gs75232 package dimensions soic - 20l a 1 a a 2 e 1 / 2 e 1 d e b e e / 2 pin 1 marking c h r 1 r gauge plane l 2 c c 1 c 2 c 1 + l 1 l dimensions millimeters symbol min typ max a 2. 35 - 2.65 a1 0.10 - 0.30 a2 2.05 - 2.55 b 0.31 - 0.51 b1 0.27 - 0.48 c 0.20 - 0.33 d - 12.80 - e - 10.30 - e1 - 7.50 - e - 1.27 - l 0.40 - 1.27 l1 - 1.40 - l2 - 0.25 - r 0.07 - - r1 0.07 - - h 0.25 - 0.75 u 0 8 - 8 8 u 1 5 8 - 15 8 u 2 0 8 - -
gs 75232 globaltech semiconductor www.globaltechsemi.com 8 gs75232 ssop - 20l a 1 a a 2 e 1 / 2 e 1 d e b e e / 2 pin 1 marking c r gauge plane l 2 c l 1 l seating plane dimensions millimeters inches symbol min max min max a - 2.0 - .078 a1 0.05 - .002 - a2 1.65 1.85 .065 .073 b 0.22 0.38 .008 .015 c 0.09 0.25 .003 .010 d 6.90 7.50 .271 .295 e 7.40 8.20 .290 .323 e1 5.00 5.60 .1 97 .220 e 0.65 (typ) .026 (typ) l 0.55 0.95 .021 .037 l1 1.25 (typ) .050 (typ) l2 0.25 (typ) .010 (typ) r 0.09 - .003 - u 0 8 8 8 0 8 8 8
gs 75232 globaltech semiconductor www.globaltechsemi.com 9 gs75232 tssop - 2 0l a 1 a a 2 d e b e e / 2 c r 1 r gauge plane l 2 c 1 c 2 c 3 e / 2 1 2 3 e 1 pin 1 marking l 1 l + s 20 10 11 dimensions millimeters symbol min typ max a - - 1.20 a1 0.05 - 0.15 a2 0.80 1.00 1.05 b 0.19 - 0.30 b1 0.19 0.22 0.25 c 0.09 - 0.20 d 6.40 6.50 6.60 e - 6.40 - e1 4.30 4.40 4.50 e - 0.65 - l 0.45 0.60 0.75 l 1 - 1.00 - r 0.09 - - r1 0.09 - - s 0.20 - - u 1 0 8 - 8 8 u 2 - 12 8 - u 3 - 12 8 -
gs 75232 globaltech semiconductor www.globaltechsemi.com 10 gs75232 notice information furnished is believed to be accurate and reliable. however globaltech semiconductor assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of globaltech semiconductor. spec ifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information without express written approval of globaltech semiconductor. (revise date: 2005/ 10 / 2 6 version_a 1 )
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