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1/13 december 2002 n meets or exceeds the requirements of ansi tia/eia-644 standard n operates with a single 3.3v supply n designed for signaling rate up to 400mbps n differential input thresholds 100mv max n typical propagation delay time of 2.5ns n power dissipation 60mw typical per receiver at 200mhz n low volatge ttl (lvttl) logic output levels n pin compatible with the am26ls32, sn65lvd32, mc3486 and sn65lvd3486 n open circuit fail safe n esd protection: 7kv receiver pins 3kv all pins vs gnd description the stlvds32, stlvds3486 and stlvds9637 are differential line receivers that implement the electrical characteristics of low voltage differential signaling (lvds). this signaling technique lower the output voltage levels of 5v differential standard levels (such as tia/eia-422b) to reduce the power, increase the switching speeds and allows operations with a 3.3v supply rail. any of the four differential receivers provides a valid logical output state with a 3.3v supply rail. any of the four differential receivers provides a valid logical output state with a 100mv differential input voltage within the input common mode voltage range. the input common mode voltage allows 1v of ground potential difference between two lvds nodes. the intended application of these devices and signalling technique is both point-to-point and multidrop data transmission over controlled impedance media approximately 100 w .the transmission media may be printed circuit board traces, backplanes or cables. the ultimate rate and distance of data transfer is dependent upon the attenuation characteristics of the media and noise coupling to the enviroment. the stlvds32, stlvds3486 and stlvds9637 "b" version are characterized for operation from -40c to 85c. ordering codes typ e temperature range package comments stlvds32bd -40 to 85 c so-16 (tube) 50parts per tube / 20tube per box stlvds32bdr -40 to 85 c so-16 (tape & reel) 2500 parts per reel stlvds32btr -40 to 85 c tssop16 (tape & reel) 2500 parts per reel stlvds3487bd -40 to 85 c so-16 (tube) 50parts per tube / 20tube per box stlvds3487bdr -40 to 85 c so-16 (tape & reel) 2500 parts per reel stlvds3487btr -40 to 85 c tssop16 (tape & reel) 2500 parts per reel stlvds9637bd -40 to 85 c so-8 (tube) 100parts per tube / 40tube per box STLVDS9637BDR -40 to 85 c so-8 (tape & reel) 2500 parts per reel stlvds32/stlvds3487 stlvds9637 high speed differential line receivers sop tssop sop
stlvds32/stlvds3486/stlvds9637 2/13 pin configuration stlvds32 pin description stlvds3486 pin description stlvds9637 pin description stlvds32 stlvds3486 stlvds9637 pln n symbol name and function 2, 6, 10, 14 1a to 4a receiver inputs 1, 7, 9, 15 1b to 4b negated receiver inputs 3, 5, 11, 13 1y to 4y receiver outputs 4 g enable 12 g enable 8 gnd ground 16 v cc supply voltage pln n symbol name and function 2, 6, 10, 14 1a to 4a receiver inputs 1, 7, 9, 15 1b to 4b negated receiver inputs 3, 5, 11, 13 1y to 4y receiver outputs 4 1,2nen receivers 1 and 2 enable 12 3,4nen receivers 3 and 4 enable 8 gnd ground 16 v cc supply voltage pln n symbol name and function 2, 3 1y to 2y receiver outputs 5, 7 1b to 2b negated receiver inputs 6, 8 1a to 2a receiver inputs 4 gnd ground 1 v cc supply voltage
stlvds32/stlvds3486/stlvds9637 3/13 logic diagram and logic symbol for stlvds32 logic diagram and logic symbol for stlvds3486 logic diagram and logic symbol for stlvds9637
stlvds32/stlvds3486/stlvds9637 4/13 stlvds3486 truth table stlvds9637 truth table stlvds32 truth table l=low level, h=high level, x=dont care, z= high impedance, ?=indeterminate absolute maximum ratings absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these condition is not implied. note 1: all voltages except differential i/o bus voltage, are with respect to the network ground terminal. recommended operating conditions differential inputs ebables output a, b en y v id 3 100mv hh -100mv < v id < 100mv h? v id -100mv hl xlz open h h differential inputs output a, b y v id 3 100mv h -100mv < v id < 100mv ? v id -100mv l open h differential inputs enables output a, b g g y v id 3 100mv hx h xl h -100mv < v id < 100mv hx ? xl ? v id -100mv hx l xl l xlhz open hx h xl h symbol parameter value unit v cc supply voltage (note 1) -0.5 to 4.6 v v i input voltage -0.5 to (v cc + 0.5) v v i input voltage (a or b inputs) -0.5 to 4.6 v esd human body model pins receivers 7 kv all pins vs gnd 3 t stg storage temperature range -65 to +150 c symbol parameter min. typ. max. unit v cc supply voltage 3.0 3.3 3.6 v v ih high level input voltage (enable) 2.0 v v il low level input voltage (enable) 0.8 v |v id | magnitude of differential input voltage 0.1 0.6 v v ic common mode input voltage 0.5|v id | 2.4-0.5|v id |v v cc - 0.8 t a operating temperature range -40 85 c
stlvds32/stlvds3486/stlvds9637 5/13 electrical characteristics (over recommended operating conditions unless otherwise noted. all typical values are at t a = 25c, and v cc =3.3v) symbol parameter test conditions min. typ. max. unit v ith+ positive going differential input voltage threshold 100 mv v ith- negative going differential input voltage threshold -100 mv v oh high level output voltage i oh = -8ma 2.4 v i oh =-4ma 2.8 v ol low level output voltage i oh = 8ma 0.4 v i cc supply current for stlvds32, stlvds3486 enabled, no load 9 15 ma disabled 0.25 0.5 ma i cc supply current for stlvds9637 no load 5.5 10 ma i i input current (a or b inputs) v i = 0v -2 -10 -20 m a v i = 2.4v -1.2 -3 i i(off) power off input current (a or b inputs) v cc =0 v i = 3.6v 10 20 m a i ih high level input current (en, g, g or inputs) v ih =2v 10 m a i il low level input current (en, g, g or inputs) v il = 0.8v 10 m a i oz high impedance output current v o = 0 or v cc 10 m a
stlvds32/stlvds3486/stlvds9637 6/13 switching characteristics (unless otherwise noted. typical values are referred to t a =25c and v cc =3.3v) note 1: t sk(o) is the skew between specified outputs of a single device with all driving inputs connected together ant the outputs switching in the same direction while driving identical specifiad loads. note 2: t sk(p) is the magnitude of the time between the high to low and low to high propagation delay times at an outputs. note 3: t sk(pp) is the magnetude of the different in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltage, same temperature and have identical packages and test circuits. symbol parameter test conditions min. typ. max. unit t plh propagation delay time, low to high output c l = 10pf fig. 1 2.1 2.5 3.3 ns t phl propagation delay time, high to low output 2.1 2.5 3.3 ns t r differential output signal rise time 0.35 ns t f differential output signal fall time 0.35 ns t sk(o) channel to channel output skew (note1) 0.3 ns t sk(p) pulse skew (|t phl -t plh |) (note2) 0.2 0.4 ns t sk(pp) part to part skew (note3) 0.1 ns t pzh propagation delay time, high impedance to high level output fig. 2 3 10 ns t pzl propagation delay time, high impedance to low level output 510ns t phz propagation delay time, high level to high impedance output 410ns t plz propagation delay time, low level to high impedance output 410ns
stlvds32/stlvds3486/stlvds9637 7/13 figure 1 : timing test circuit, timing and waveforms note a: all input pulse are supplied by a generator having the following characteristics: t r or t f 1ns, pulse repetition rate (prr) = 50mpps, pulse width = 10 0.2ns. note b: c l includes instrumentation and fixture capacitance within 6mm of the d.u.t.
stlvds32/stlvds3486/stlvds9637 8/13 figure 2 : enable and disable time test circuit and waveform note a: all input pulse are supplied by a generator having the following characteristics: t r or t f 1ns, pulse repetition rate (prr) = 50mpps, pulse width = 500 10ns. note b: c l includes instrumentation and fixture capacitance within 6mm of the d.u.t.
stlvds32/stlvds3486/stlvds9637 9/13 typical performance characteristics (unless otherwise specified t j =25c) figure 3 : output current vs output voltage figure 4 : output current vs output voltage
stlvds32/stlvds3486/stlvds9637 10/13 dim. mm. inch min. typ max. min. typ. max. a 1.75 0.068 a1 0.1 0.2 0.004 0.008 a2 1.65 0.064 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 po13h
stlvds32/stlvds3486/stlvds9637 11/13 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
stlvds32/stlvds3486/stlvds9637 12/13 dim. mm. inch min. typ max. min. typ. max. a 1.75 0.068 a1 0.1 0.25 0.003 0.009 a2 1.65 0.064 a3 0.65 0.85 0.025 0.033 b 0.35 0.48 0.013 0.018 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.019 c1 45? (typ.) d 4.8 5.0 0.189 0.196 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.149 0.157 l 0.4 1.27 0.015 0.050 m 0.6 0.023 s ? (max.) so-8 mechanical data 0016023 8
stlvds32/stlvds3486/stlvds9637 13/13 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no res ponsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devi ces or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia - malt a - morocco singapore - spain - sweden - switzerland - united kingdom - united states. ? http://www.st.com

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