r07ds0047ej0100 rev.1.00 page 1 of 7 jul 20, 2010 preliminary datasheet RD74HC245A octal bus transceivers (with 3-state outputs) description each device has an active low enable input g and a direction control input, dir. when dir is high, data flows from the a inputs to the b outputs. when dir is low, data flows from the b inputs to the a outputs. the RD74HC245A transfers true data from one bus to the other. this device does not have schmitt trigger inputs. features ? high speed operation: t pd = 8 ns typ (c l = 50 pf) ? high output current: fa nout of 15 lsttl loads ? wide operating voltage: v cc = 2 to 6 v ? low input current: 1 a max ? low quiescent supply current: i cc (static) = 4 a max (ta = 25c) ? ordering information part name package type package code (previous code) package abbreviation taping abbreviation (quantity) surface treatment RD74HC245Apt0 dilp-20 pin prdp0020ac-b (dp-20nev) p ? 0 (ni/pd/au) RD74HC245Afph0 sop-20 pin (jeita) prsp0020dd-b (fp-20dav) fp h (2,000 pcs/reel) 0 (ni/pd/au) RD74HC245Arph0 sop-20 pin (jedec) prsp0020dc-a (fp-20dbv) rp h (1,000 pcs/reel) 0 (ni/pd/au) note: please consult the sales office for the above package availability. function table enable g direction control dir operation l l b data to a bus l h a data to b bus h x isolation h : high level l : low level x : irrelevant r07ds0047ej0100 rev.1.00 jul 20, 2010 www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 2 of 7 jul 20, 2010 pin arrangement 1 2 3 4 5 6 7 8 9 10 dir a 1 a 2 a 3 a 4 a 5 a 6 a 7 a 8 gnd v cc b 1 b 2 b 3 b 4 b 5 b 6 b 7 b 8 enable g 20 19 18 17 16 15 14 13 12 11 (top view) absolute maximum ratings item symbol ratings unit conditions supply voltage range v cc ?0.5 to 7.0 v input / output voltage v in , v out ?0.5 to v cc +0.5 v input / output diode current i ik , i ok ? 20 ma output current i o ? 35 ma v cc , gnd current i cc or i gnd ? 75 ma 1375 mw dip 835 mw sop power dissipation p t 757 mw tssop storage temperature tstg ?65 to +150 c note: the absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. recommended operating conditions item symbol ratings unit conditions supply voltage v cc 2 to 6 v input / output voltage v in , v out 0 to v cc v operating temperature ta ?40 to 85 c 0 to 1000 v cc = 2.0 v 0 to 500 v cc = 4.5 v input rise / fall time *1 t r , t f 0 to 400 ns v cc = 6.0 v notes: 1. this item guarantees maxi mum limit when one input switches. waveform: refer to test circuit of switching characteristics. www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 3 of 7 jul 20, 2010 electrical characteristics ta = 25c ta = ?40 to+85c item symbol v cc (v) min typ max min max unit test conditions 2.0 1.5 ? ? 1.5 ? 4.5 3.15 ? ? 3.15 ? v ih 6.0 4.2 ? ? 4.2 ? v 2.0 ? ? 0.5 ? 0.5 4.5 ? ? 1.35 ? 1.35 input voltage v il 6.0 ? ? 1.8 ? 1.8 v 2.0 1.9 2.0 ? 1.9 ? 4.5 4.4 4.5 ? 4.4 ? 6.0 5.9 6.0 ? 5.9 ? i oh = ?20 ? a 4.5 4.18 ? ? 4.13 ? i oh = ?6 ma v oh 6.0 5.68 ? ? 5.63 ? v vin = v ih or v il i oh = ?7.8 ma 2.0 ? 0.0 0.1 ? 0.1 4.5 ? 0.0 0.1 ? 0.1 6.0 ? 0.0 0.1 ? 0.1 i ol = 20 ? a 4.5 ? ? 0.26 ? 0.33 i ol = 6 ma output voltage v ol 6.0 ? ? 0.26 ? 0.33 v vin = v ih or v il i ol = 7.8 ma off-state output current i oz 6.0 ? ? ? 0.5 ? ? 5.0 ? a vin = v ih or v il , vout = v cc or gnd input current iin 6.0 ? ? ? 0.1 ? ? 1.0 ? a vin = v cc or gnd quiescent supply current i cc 6.0 ? ? 4.0 ? 40 ? a vin = v cc or gnd, iout = 0 ? a switching characteristics (c l = 50 pf, input t r = t f = 6 ns) ta = 25c ta = ?40 to +85c item symbol v cc (v) min typ max min max unit test conditions 2.0 ? ? 90 ? 115 4.5 ? 8 18 ? 23 t plh 6.0 ? ? 15 ? 20 ns 2.0 ? ? 90 ? 115 4.5 ? 8 18 ? 23 propagation delay time t phl 6.0 ? ? 15 ? 20 ns 2.0 ? ? 150 ? 190 4.5 ? 16 30 ? 38 t zl 6.0 ? ? 26 ? 32 ns 2.0 ? ? 150 ? 190 4.5 ? 12 30 ? 38 output enable time t zh 6.0 ? ? 26 ? 32 ns 2.0 ? ? 150 ? 190 4.5 ? 17 30 ? 38 t lz 6.0 ? ? 26 ? 32 ns 2.0 ? ? 150 ? 190 4.5 ? 18 30 ? 38 output disable time t hz 6.0 ? ? 26 ? 32 ns 2.0 ? ? 60 ? 75 4.5 ? 4 12 ? 15 output rise/fall time t tlh t thl 6.0 ? ? 10 ? 13 ns input capacitance cin ? ? 5 10 ? 10 pf www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 4 of 7 jul 20, 2010 test circuit v cc a1 open gnd c = 50 pf g dir b1 z out = 50 input s1 1 k v cc v cc v cc s2 l output test s2 t / t plh phl open gnd t / t zh hz t / t zl lz note : 1. c l includes probe and jig capacitance. 2. a2?b2, a3?b3, a4?b4, a5?b5, a6?b6, a7?b7, a8?b8 are identical to above load circuit. 3. s1 is a input / output switch. see function table pulse generator www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 5 of 7 jul 20, 2010 waveforms t plh t phl v oh v oh v ol v ol 0 v v cc 50 % 50 % 50 % 50 % 50 % 50 % ? waveform ? 1 ? waveform ? 2 input a output y 10 % 90 % t f 10 % 90 % t r t r t f t zl 0 v v ol v cc v oh t lz t zh t hz 10 % 10 % 90 % 90 % 50 % 50 % input g waveform ? a waveform ? b 90 % 10 % 10 % 90 % 10 % 90 % t thl t tlh notes : 1. input waveform : prr 1 mhz, duty cycle 50%, t r 6 ns, t f 6 ns 2. waveform? a is for an output with internal conditions such that the output is low except when disabled by the output control. 3. waveform? b is for an output with internal conditions such that the output is high except when disabled by the output control. 4. the output are measured one at a time with one transition per measurement. www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 6 of 7 jul 20, 2010 package dimensions 7.62 max n ommin dimension in millimeters symbol reference 24.50 6.30 5.08 a 1 z b 3 d e a b p c e l e 1 0.51 0.56 1.30 0. 19 0. 25 0.31 2. 29 2.54 2.79 0 15 25.40 7.00 0.400 .4 8 1.27 2.54 1 p 1 3 1 10 20 11 e b a l a z e c e d b 0.89 ( ni/pd/au plat ing ) p-dip20-6.3x24.5-2.54 1.26g mass[typ.] dp -20nev prdp0020ac-b renesas code jeita package code previous code note) 1. dimensions"*1 (nom)"and" *2" do not include mold flash. 2. dimension"*3"does not include trim offset. 12.60 1.15 0.12 0 8 7.80 0.15 0.20 0.25 0.46 0.00 0.10 0.20 5.50 0.50 0.70 0.90 2.20 reference symbol dimension in millimeters min nom max 13.0 e h e l a d e a 2 a 1 b p b 1 c x y z l 1 c 1 0.34 0.40 8.00 7.50 1.27 0.15 0.80 previous code jeita pack age code renesas code prsp0020dd-b fp-20dav mass[typ.] 0.31g p-sop20-5.5x12.6-1.27 terminal cross section (ni/pd/au plating) c detail f l y s s index mark 1 xm *3 *2 *1 f 10 11 20 a z e e d l 1 a 1 b p b p h e www.datasheet.in
RD74HC245A preliminary r07ds0047ej0100 rev.1.00 page 7 of 7 jul 20, 2010 note) 1. dimensions"*1 (nom)"and" *2" do not include mold flash. 2. dimension"*3"does not include trim offset. terminal cross section (ni/pd/au plating) c detail f l 11 20 10 f *1 *2 *3 b p h e mx 1 index mark s s y e d z e a p-sop20-7.5x12.8-1.27 0.52g mass[typ.] fp-20dbv prsp0020dc-a renesas code jeita package code previous code 0.935 0.15 1.27 10.00 10.65 0.400.34 13.2 max nom min dimension in millimeters symbol reference 2.65 1.270.700.40 7.50 0.300.200.10 0.46 0.300.250.20 10.40 8 0 0.12 1.45 12.80 e h e l a d e a 2 a 1 b p b 1 c x y z l 1 c 1 b p l 1 a 1 www.datasheet.in
notice 1. all information included in this document is current as of the date this document is issued. such information, however, is subject to change without any prior notice. before purchasing or using any renesas electronics products listed herein, please confirm the latest product information with a renesas electronics sales office. also, please pay regular and careful attention to additional and different information to be disclosed by renesas electronics such as that disclosed through our website. 2. renesas electronics does not assume any liability for infringement of patents, copyrights, or other intellectual property rights of third parties by or arising from the use of renesas electronics products or technical information described in this document. no license, express, implied or otherwise, is granted hereby under any patents, copyrights or other intellectual property rights of renesas electronics or others. 3. you should not alter, modify, copy, or otherwise misappropriate any renesas electronics product, whether in whole or in part. 4. descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. you are fully responsible for the incorporation of these circuits, software, and information in the design of your equipment. renesas electronics assumes no responsibility for any losses incurred by you or third parties arising from the use of these circuits, software, or information. 5. when exporting the products or technology described in this document, you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations. you should not use renesas electronics products or the technology described in this document for any purpose relating to military applications or use by the military, including but not limited to the development of weapons of mass destruction. renesas electronics products and technology may not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 6. renesas electronics has used reasonable care in preparing the information included in this document, but renesas electronics does not warrant that such information is error free. renesas electronics assumes no liability whatsoever for any damages incurred by you resulting from errors in or omissions from the information included herein. 7. renesas electronics products are classified according to the following three quality grades: "standard", "high quality", and "specific". the recommended applications for each renesas electronics product depends on the product's quality grade, as indicated below. you must check the quality grade of each renesas electronics product before using it in a particular application. you may not use any renesas electronics product for any application categorized as "specific" without the prior written consent of renesas electronics. further, you may not use any renesas electronics product for any application for which it is not intended without the prior written consent of renesas electronics. renesas electronics shall not be in any way liable for any damages or losses incurred by you or third parties arising from the use of any renesas electronics product for an application categorized as "specific" or for which the product is not intended where you have failed to obtain the prior written consent of renesas electronics. the quality grade of each renesas electronics product is "standard" unless otherwise expressly specified in a renesas electronics data sheets or data books, etc. "standard": computers; office equipment; communications equipment; test and measurement equipment; audio and visual equipment ; home electronic appliances; machine tools; personal electronic equipment; and industrial robots. "high quality": transportation equipment (automobiles, trains, ships, etc.); traffic control systems; anti-disaster systems; anti-crime systems; safety equipment; and medical equipment not specifically designed for life support. "specific": aircraft; aerospace equipment; submersible repeaters; nuclear reactor control systems; medical equipment or systems for life support (e.g. artificial life support devices or systems), surgical implantations, or healthcare intervention (e.g. excision, etc.), and any other applications or purposes that pose a direct thr eat to human life. 8. you should use the renesas electronics products described in this document within the range specified by renesas electronics, especially with respect to the maximum rating, operating supply voltage range, movement power voltage range, heat radiation characteristics, installation and other product characteristics. renesas electronics shall have no liability for malfunctions or damages arising out of the use of renesas electronics products beyond such specified ranges. 9. although renesas electronics endeavors to improve the quality and reliability of its products, semiconductor products have specific characteristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions. further, renesas electronics products are not subject to radiation resistance design. please be sure to implement safety measures to guard them against the possibility of physical injury, and injury or damage caused by fire in the event of the failure of a renesas electronics product, such as safety design for hardware and software including but not limited to redundancy, fire control and malfunction prevention, appropriate treatment for aging degradation or any other appropriate measures. because the evaluation of microcomputer software alone is very difficult, please evaluate the safety of the final products or system manufactured by you. 10. please contact a renesas electronics sales office for details as to environmental matters such as the environmental compatibility of each renesas electronics product. please use renesas electronics products in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the eu rohs directive. renesas electronics assumes no liability for damages or losses occurring as a result of your noncompliance with applicable laws and regulations. 11. this document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of renes as electronics. 12. please contact a renesas electronics sales office if you have any questions regarding the information contained in this document or renesas electronics products, or if you have any other inquiries. (note 1) "renesas electronics" as used in this document means renesas electronics corporation and also includes its majority-o wned subsidiaries. (note 2) "renesas electronics product(s)" means any product developed or manufactured by or for renesas electronics. http://www.renesas.com refer to "http://www.renesas.com/" for the latest and detailed information. renesas electronics america inc. 2880 scott boulevard santa clara, ca 95050-2554, u.s.a. tel: +1-408-588-6000, fax: +1-408-588-6130 renesas electronics canada limited 1101 nicholson road, newmarket, ontario l3y 9c3, canada tel: +1-905-898-5441, fax: +1-905-898-3220 renesas electronics europe limited dukes meadow, millboard road, bourne end, buckinghamshire, sl8 5fh, u.k tel: +44-1628-585-100, fax: +44-1628-585-900 renesas electronics europe gmbh arcadiastrasse 10, 40472 dsseldorf, germany tel: +49-211-65030, fax: +49-211-6503-1327 renesas electronics (china) co., ltd. 7th floor, quantum plaza, no.27 zhichunlu haidian district, beijing 100083, p.r.china tel: +86-10-8235-1155, fax: +86-10-8235-7679 renesas electronics (shanghai) co., ltd. unit 204, 205, azia center, no.1233 lujiazui ring rd., pudong district, shanghai 200120, china tel: +86-21-5877-1818, fax: +86-21-6887-7858 / -7898 renesas electronics hong kong limited unit 1601-1613, 16/f., tower 2, grand century place, 193 prince edward road west, mongkok, kowloon, hong kong tel: +852-2886-9318, fax: +852 2886-9022/9044 renesas electronics taiwan co., ltd. 7f, no. 363 fu shing north road taipei, taiwan tel: +886-2-8175-9600, fax: +886 2-8175-9670 renesas electronics singapore pte. ltd. 1 harbourfront avenue, #06-10, keppel bay tower, singapore 098632 tel: +65-6213-0200, fax: +65-6278-8001 renesas electronics malaysia sdn.bhd. unit 906, block b, menara amcorp, amcorp trade centre, no. 18, jln persiaran barat, 46050 petaling jaya, selangor darul ehsan, malaysia tel: +60-3-7955-9390, fax: +60-3-7955-9510 renesas electronics korea co., ltd. 11f., samik lavied' or bldg., 720-2 yeoksam-dong, kangnam-ku, seoul 135-080, korea tel: +82-2-558-3737, fax: +82-2-558-5141 sales offices ? 2010 renesas electronics corporation. all rights reserved. colophon 1.0 www.datasheet.in
|
