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july 2007 rev. 6 1/18 18 ST202B st202c 5v powered multi-channel rs-232 drivers and receivers features supply voltage range: 4.5 to 5.5v supply current no load (typ): 1.5ma transmitter output voltage swing (typ): 9v transition slew rate (typ.): 12v/ms receiver propagation delay (typ.): 0.1ms compatible with max202 receiver input voltage range: 30v data rate (typ.): 400kbp/s operating temperature range: -40 to 85c, 0 to 70c description the st202 is a 2 driver, 2 receiver device following eia/tia-232 and v.28 communication standard. it is particularly suitable for applications where 12v is not available. the st202 uses a single 5v power supply and only four external capacitors (0.1f). typical application are in: portable computers, low power modems, interfaces translation, battery powered rs-232 networks. sop large dip tssop sop table 1. device summary order codes temperature range package packaging st202cn 0 to 70 c dip-16 25parts per tube / 40tube per box ST202Bn -40 to 85 c dip-16 25parts per tube / 40tube per box st202cd 0 to 70 c so-16 (tube) 50parts per tube / 20tube per box ST202Bd -40 to 85 c so-16 (tube) 50parts per tube / 20tube per box st202cdr 0 to 70 c so-16 (tape & reel) 2500 parts per reel ST202Bdr -40 to 85 c so-16 (tape & reel) 2500 parts per reel st202cw 0 to 70 c so-16 large (tube) 49parts per tube / 25tube per box st202cwr 0 to 70 c so-16 large (tape & reel) 1000 parts per reel st202ctr 0 to 70 c tssop16 (tape & reel) 2500 parts per reel ST202Btr -40 to 85 c tssop16 (tape & reel) 2500 parts per reel www.st.com
ST202B - st202c 2/18 contents 1 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ST202B - st202c pin configuration 3/18 1 pin configuration figure 1. pin connections (top view) table 2. pin description pin n symbol note 1c 1 + positive terminal for the first charge pump capacitor 2 v+ doubled voltage terminal 3c 1 - negative terminal for the first charge pump capacitor 4c 2 + positive terminal for the second charge pump capacitor 5c 2 - negative terminal for the second charge pump capacitor 6 v- inverted voltage terminal 7t2 out second transmitter output voltage 8r2 in second receiver input voltage 9r2 out second receiver output voltage 10 t2 in second transmitter input voltage 11 t1 in first transmitter input voltage 12 r1 out first receiver output voltage 13 r1 in first receiver input voltage 14 t1 out first transmitter output voltage 15 gnd ground 16 v cc supply voltage
maximum ratings ST202B - st202c 4/18 2 maximum ratings note: absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these condition is not implied. table 3. absolute maximum ratings symbol parameter value unit v cc supply voltage -0.3 to 6 v v+ extra positive voltage (v cc -0.3) to 13.2 v v- extra negative voltage 0.3 to -13.2 v t in transmitter input voltage range -0.3 to (v cc + 0.3) v r in receiver input voltage range 30 v t out transmitter output voltage range 15 v r out receiver output voltage range -0.3 to (v cc + 0.3) v t sctout short circuit duration on t out infinite
ST202B - st202c electrical characteristics 5/18 3 electrical characteristics table 4. electrical characteristics (c 1 - c 4 = 0.1f, v cc = 5v 10%, t a = -40 to 85c, unless otherwise specified. typical values are referred to t a = 25c). symbol parameter test cond ition min. typ. max. unit i supply v cc power supply current no load 1.5 4 ma table 5. transmitter electrical characteristics (c 1 - c 4 = 0.1f, v cc = 5v 10%, t a = -40 to 85c, unless otherwise specified. typical values are referred to t a = 25c). symbol parameter test condition min. typ. max. unit v tout output voltage swing all transmitter outputs are loaded with 3k to gnd 5 9v i til logic pull-up current t in = 0v 5 40 a v til input logic threshold low 0.8 1.4 v v tih input logic threshold high 1.4 2 v sr t transition slew rate t a = 25c, v cc = 5v r l = 3 to 7k , c l = 50 to 2500pf (1) 61230v/ s d r data rate (2) 200 400 kbits/s r tout transmitter output resistance v cc = v+ = v- = 0v v out = 2v 300 i sc transmitter output short circuit current one t xout to gnd 7 22 ma t dt propagation delay time ttl-cmos in to rs-232 out c l = 150pf (50% to 50%) 1.3 3.5 s 1. measured from 3v to -3v or from -3v to 3v 2. one transmitter output is loaded with r l = 3k to 7k , c l = 50 to 1000pf
electrical characteristics ST202B - st202c 6/18 table 6. receiver electrical characteristics (c 1 - c 4 = 0.1f, v cc = 5v 10%, t a = -40 to 85c, unless otherwise specified. typical values are referred to t a = 25c). symbol parameter test condition min. typ. max. unit v rin receiver input voltage operating range -30 30 v r rin rs-232 input resistance t a = 25c 3 5 7 k v ril rs-232 input threshold low 0.8 1.3 v v rih rs-232 input threshold high 1.8 2.4 v v rihys rs-232 input hysteresis v cc = 5v 0.2 0.5 1 v v rol ttl/cmos output voltage low i out = 3.2ma (to v cc )0.20.4v v roh ttl/cmos output voltage high i out = 1ma (to gnd) 3.5 v cc -0.2 v i scr receiver output short circuit current to gnd 2 10 ma to v cc 10 30 t dr propagation delay time c l = 150pf (1) 0.1 0.5 s 1. rs-232 in to ttl-cmos out (from 50% to 50%)
ST202B - st202c typical application 7/18 4 typical application figure 2. application circuit (1) (2) 1. c 1-4 capacitors can even be 1f ones 2. c 1-4 can be common or biased capacitors table 7. capacitance value (f) c1 c2 c3 c4 c5 0.1 0.1 0.1 0.1 0.1
typical performance characteristics ST202B - st202c 8/18 5 typical performance characteristics (unless otherwise specified t j = 25c) figure 3. driver voltage transfer characteristics figure 4. drive short circuit output current vs temperature figure 5. receiver threshold vs supply voltage figure 6. driver output capability current vs output voltage figure 7. driver short circuit supply current vs. temperature figure 8. receiver threshold vs temperature
ST202B - st202c package mechanical data 9/18 6 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. th e maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com.
package mechanical data ST202B - st202c 10/18 dim. mm. inch min. typ max. min. typ. max. a1 0.51 0.020 b 0.77 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 f 7.1 0.280 i 5.1 0.201 l 3.3 0.130 z 1.27 0.050 plastic dip-16 (0.25) mechanical data p001c
ST202B - st202c package mechanical data 11/18 dim. mm. inch min. typ max. min. typ. max. a 1.75 0.068 a1 0.1 0.25 0.004 0.010 a2 1.64 0.063 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.5 0.019 c1 45 (typ.) d 9.8 10 0.385 0.393 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 8.89 0.350 f 3.8 4.0 0.149 0.157 g 4.6 5.3 0.181 0.208 l 0.5 1.27 0.019 0.050 m 0.62 0.024 s8 (max.) so-16 mechanical data 0016020d
package mechanical data ST202B - st202c 12/18 dim. mm. inch min. typ max. min. typ. max. a 2.65 0.104 a1 0.1 0.2 0.004 0.008 a2 2.45 0.096 b 0.35 0.49 0.014 0.019 b1 0.23 0.32 0.009 0.012 c 0.5 0.020 c1 45? (typ.) d 10.1 10.5 0.397 0.413 e 10.0 10.65 0.393 0.419 e 1.27 0.050 e3 8.89 0.350 f 7.4 7.6 0.291 0.300 g l 0.5 1.27 0.020 0.050 m 0.75 0.029 s8 ? (max.) so-16l mechanical data po13i
ST202B - st202c package mechanical data 13/18 dim. mm. inch min. typ max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0079 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0? 8?0? 8? l 0.45 0.60 0.75 0.018 0.024 0.030 tssop16 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 0080338d
package mechanical data ST202B - st202c 14/18 dim. mm. inch min. typ max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.45 6.65 0.254 0.262 bo 10.3 10.5 0.406 0.414 ko 2.1 2.3 0.082 0.090 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319 tape & reel so-16 mechanical data
ST202B - st202c package mechanical data 15/18 dim. mm. inch min. typ max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 10.8 11.0 0.425 0.433 bo 10.7 10.9 0.421 0.429 ko 2.9 3.1 0.114 0.122 po 3.9 4.1 0.153 0.161 p 11.9 12.1 0.468 0.476 tape & reel so-16l mechanical data
package mechanical data ST202B - st202c 16/18 dim. mm. inch min. typ max. min. typ. max. a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.7 6.9 0.264 0.272 bo 5.3 5.5 0.209 0.217 ko 1.6 1.8 0.063 0.071 po 3.9 4.1 0.153 0.161 p 7.9 8.1 0.311 0.319 tape & reel tssop16 mechanical data
ST202B - st202c revision history 17/18 7 revision history table 8. revision history date revision changes 09-mar-2006 5 order codes updated and th e document has been reformatted. 16-jul-2007 6 device summary updated.
ST202B - st202c 18/18 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2007 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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