sn75124 triple line receiver slls058b september 1973 revised may 1995 1 post office box 655303 ? dallas, texas 75265 meets or exceeds the requirements of ibm ? system 360 input/output interface specification operates from single 5-v supply ttl compatible built-in input threshold hysteresis high speed . . . typical propagation delay time = 20 ns independent channel strobes input gating increases application flexibility designed for use with dual line driver sn75123 designed to be interchangeable with signetics n8t24 description the sn75124 triple line receiver is specifically designed to meet the input/output interface specifications for ibm system 360. it is also compatible with standard ttl logic and supply voltage levels. the sn75124 has receiver inputs with built-in hysteresis to provide increased noise margin for single-ended systems. an open line affects the receiver input as does a low-level input voltage, and the receiver input can withstand a level of 0.15 v with power on or off. the other inputs are in ttl configuration. the s input must be high to enable the receiver input. two of the line receivers have a and b inputs that, if both are high, hold the output low. the third receiver has only an a input that, if high, holds the output low. see the sn751730 for new ibm 360/370 interface designs. the sn75124 is characterized for operation from 0 c to 70 c. function table inputs output a b 2 r s output y h h x x l x xlh l l xhx h l xxl h x lhx h x l x l h 2 b input and last two lines of the function table are applicable to receivers 1 and 2 only. copyright ? 1995, texas instruments incorporated production data information is current as of publication date. products conform to specifications per the terms of texas instruments standard warranty. production processing does not necessarily include testing of all parameters. please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1a 1b 2r 2s 2a 2b 2y gnd v cc 1s 1r 1y 3a 3s 3r 3y d or n package (top view) ibm is a trademark of international business machines corp.
sn75124 triple line receiver slls058b september 1973 revised may 1995 2 post office box 655303 ? dallas, texas 75265 logic symbol 2 2y 15 12 11 10 6 5 4 3 2 1 14 3y 1y 9 7 13 3a 3s 3r 2b 2a 2s 2r 1b 1a 1s 1r 1 & & & 2 this symbol is in accordance with ansi/ieee std 91-1984 and iec publication 617-12. 1 logic diagram (positive logic) 3a 3s 3r 2b 2a 2s 2r 1b 1a 1s 1r 9 7 13 1y 2y 3y 12 11 10 6 5 4 3 2 1 15 14 schematic (each receiver) 58 w 13, 7, 9 y 800 w 4 k w 4 k w a b 3 1, 5, 12 2, 6 s 15, 4, 11 16 v cc 14, 3, 10 r 8 gnd ...v cc bus to other receivers v v v v to other receivers 3 b input is provided on receivers 1 and 2 only resistor values shown are nominal.
sn75124 triple line receiver slls058b september 1973 revised may 1995 3 post office box 655303 ? dallas, texas 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) 2 supply voltage, v cc (see note 1) 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage, v i : r input with v cc applied 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r input with v cc not applied 6 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . a, b, or s input 5.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output voltage, v o 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output current, i o 100 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous total dissipation see dissipation rating table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating free-air temperature range, t a 0 c to 70 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 stresses beyond those listed under aabsolute maximum ratingso may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated under arecommended operating conditi onso is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. note 1: voltage values are with respect to network ground terminal dissipation rating table package t a 25 c derating factor t a = 70 c package a power rating above t a = 25 c a power rating d 950 mw 7.6 mw/ c 608 mw n 1150 mw 9.2 mw/ c 736 mw recommended operating conditions min nom max unit supply voltage, v cc 4.75 5 5.25 v high level in p ut voltage v ih a, b, or s 2 v high - le v el inp u t v oltage , v ih r 1.7 v low level in p ut voltage v il a, b, or s 0.8 v lo w- le v el inp u t v oltage , v il r 0.7 v high-level output current, i oh 800 m a low-level output current, i ol 16 ma operating free-air temperature, t a 0 70 c
sn75124 triple line receiver slls058b september 1973 revised may 1995 4 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) parameter test conditions min typ max unit v hys hysteresis voltage (v it + v it ) r v cc = 5 v, t a = 25 c 0.2 0.5 v v ik input clamp voltage a, b, or s v cc = 5 v, i i 12 ma 1.5 v v i(br) input breakdown voltage a, b, or s v cc = 5 v, i i = 10 ma 5.5 v v oh high level out p ut voltage v ih = v ih min, v il = v il max, 26 v v oh high - le v el o u tp u t v oltage ih ih , i oh = 800 m a, il il , see note 2 2 . 6 v v ol low level out p ut voltage v ih = v ih min, v il = v il max, 04 v v ol lo w- le v el o u tp u t v oltage ih ih , i ol = 16 ma, il il , see note 2 0 . 4 v i i in p ut current at maximum in p ut voltage r v i = 7 v 5 ma i i inp u t c u rrent at ma x im u m inp u t v oltage r v i = 6 v, v cc = 0 5 ma i ih high level in p ut current a, b, or s v i = 4.5 v 40 m a i ih high - le v el inp u t c u rrent r v i = 3.11 v 170 m a i il low-level input current a, b, or s v i = 0.4 v, v ir = 0.8 v 0.1 1.6 ma i os short-circuit output current 2 50 100 ma i cc su pp ly current all inputs = 0.8 v 72 ma i cc s u ppl y c u rrent all inputs = 2 v 100 ma 2 not more than one output should be shorted at a time, and duration of the short circuit should not exceed one second. note 2: the output voltage and current limits are characterized for any appropriate combination of high and low inputs specified by the function table for the desired output. switching characteristics, v cc = 5 v, t a = 25 c parameter test conditions min typ max unit t plh propagation delay time, low-to-high-level output from r input see figure 1 20 30 ns t phl propagation delay time, high-to-low-level output from r input see fig u re 1 20 30 ns parameter measurement information v cc 2.6 v 84.5 w 1n3064 output 5 k w c l = 30 pf see note b test circuit pulse generator (see note a) 5 ns 90% 1.5 v input 10% 0 2.6 v v oh output v ol t phl t plh voltage waveforms 5 ns 90% 1.5 v 10% 1.5 v 1.5 v notes: a. the pulse generator has the following characteristics: z o 50 w , prr 5 mhz, duty cycle = 50%. b. c l includes probe and jig capacitance. figure 1. test circuit and voltage waveforms
sn75124 triple line receiver slls058b september 1973 revised may 1995 5 post office box 655303 ? dallas, texas 75265 typical characteristics vo output voltage v v o v i input voltage v ???? ???? ???? v cc = 5 v no load t a = 25 c receiver output voltage vs input voltage 0 4 2 0 0.4 0.8 1 1.4 1.8 0.5 1 1.5 2 2.5 3 3.5 ???? ???? v it ??? ??? v it+ 0.2 0.6 1.2 1.6 figure 2 application information 1/2 sn75123 95 w 95- w coaxial cable a b c d e f 95 w strobe a b y 1/3 sn75124 figure 3. unbalanced line communication using sn75123 and sn75124
package option addendum www.ti.com 10-jun-2014 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples SN75124D obsolete soic d 16 tbd call ti call ti 0 to 70 sn75124n active pdip n 16 25 pb-free (rohs) cu nipdau n / a for pkg type 0 to 70 sn75124n sn75124nsr active so ns 16 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim 0 to 70 sn75124 (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. - the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) there may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) multiple device markings will be inside parentheses. only one device marking contained in parentheses and separated by a "~" will appear on a device. if a line is indented then it is a continuation of the previous line and the two combined represent the entire device marking for that device. (6) lead/ball finish - orderable devices may have multiple material finish options. finish options are separated by a vertical ruled line. lead/ball finish values may wrap to two lines if the finish value exceeds the maximum column width. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and
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