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HD74LV2G126A dual bus buffer with 3?tate output ade-205-348 (z) 1st. edition may 2000 description the HD74LV2G126A has dual bus buffer with 3?tate output in a 8 pin package. output is disabled when the associated output enable (oe) input is low. to ensure the high impedance state during power up or power down, oe should be connected to v cc through a pull-down resistor; the minimum value of the resistor is determined by the current souring capability of the driver. low voltage and high speed operation is suitable for the battery powered products (e.g., notebook computers), and the low power consumption extends the battery life. features the basic gate function is lined up as hitachi uni logic series. supplied on emboss taping for high speed automatic mounting. electrical characteristics equivalent to the hd74lv126a supply voltage range : 1.65 to 5.5 v operating temperature range : ?0 to +85 c all inputs v ih (max.) = 5.5 v (@v cc = 0 v to 5.5 v) all outputs v o (max.) = 5.5 v (@v cc = 0 v) output current 6 ma (@v cc = 3.0 v to 3.6 v), 12 ma (@v cc = 4.5 v to 5.5 v) all the logical input has hysteresis voltage for the slow transition.
HD74LV2G126A 2 outline and article indication ?HD74LV2G126A lot no. y : year code (the last digit of year) m : month code w : week code y m w l 2 6 type no. index band us? function table inputs output y oe a hhh hll lxz h : high level l : low level x : immaterial z : high impedance
HD74LV2G126A 3 pin arrangement (top view) 8v cc 1 7g2 6y1 5a2 g1 2 a1 3 y2 4 gnd absolute maximum ratings item symbol ratings unit test conditions supply voltage v cc ?.5 to 7.0 v input voltage v in ?.5 to 7.0 v output voltage v out ?.5 to v cc + 0.5 v output : h or l ?.5 to 7.0 v cc : off or output : z input diode current i ik ?0 ma output diode current i ok 50 ma output current i out 25 ma v cc , gnd current i cc or i gnd 50 ma power dissipation p t 200 mw storage temperature tstg ?5 to 150 c
HD74LV2G126A 4 recommended operating conditions item symbol ratings unit supply voltage v cc 1.65 to 5.5 v input voltage v in 0 to 5.5 v output voltage v out 0 to v cc v operating temperature t opr ?0 to +85 c input rise / fall time t r , t f 0 to 300 (v cc = 1.65 to 1.95 v) ns 0 to 200 (v cc = 2.3 to 2.7 v) 0 to 100 (v cc = 3.0 to 3.6 v) 0 to 20 (v cc = 4.5 to 5.5 v)
HD74LV2G126A 5 electrical characteristic ta = ?0 to 85 c item symbol v cc (v) * min typ max unit test condition input voltage v ih 1.65 to 1.95 v cc 0.75 v 2.3 to 2.7 v cc 0.7 3.0 to 3.6 v cc 0.7 4.5 to 5.5 v cc 0.7 v il 1.65 to 1.95 v cc 0.25 2.3 to 2.7 v cc 0.3 3.0 to 3.6 v cc 0.3 4.5 to 5.5 v cc 0.3 hysteresis voltage v h 1.8 0.25 v v t + ?v t 2.5 0.30 3.3 0.35 5.0 0.45 output voltage v oh min to max v cc ?.1 v i oh = ?0 m a 1.65 1.4 i oh = ? ma 2.3 2.0 i oh = ? ma 3.0 2.48 i oh = ? ma 4.5 3.8 i oh = ?2 ma v ol min to max 0.1 i ol = 50 m a 1.65 0.3 i ol = 1 ma 2.3 0.4 i ol = 2 ma 3.0 0.44 i ol = 6 ma 4.5 0.55 i ol = 12 ma input current i in 0 to 5.5 1 m av in = 5.5 v or gnd off state output current i oz 5.5 5 m av o = v cc or gnd quiescent supply current i cc 5.5 10 m av in = v cc or gnd, i o = 0 output leakage current i off 0 5 m av o = 5.5 v input capacitance c in 3.3 3.0 pf v in = v cc or gnd note: for conditions shown as min or max, use the appropriate values under recommended operating conditions.
HD74LV2G126A 6 switching characteristics ? cc = 1.8 0.15 v item symbol t a = 25 c t a = ?0 to 85 c unit test from to min typ max min max conditions (input) (output) propagation t plh 13.5 23.5 1.0 26.0 ns c l = 15 pf a y delay time t phl 19.0 33.0 1.0 36.0 c l = 50 pf enable time t zh 13.7 26.5 1.0 29.0 ns c l = 15 pf oe y t zl 20.5 36.0 1.0 38.0 c l = 50 pf disable time t hz 8.3 20.0 1.0 22.5 ns c l = 15 pf oe y t lz 13.0 29.5 1.0 32.0 c l = 50 pf ? cc = 2.5 0.2 v item symbol t a = 25 c t a = ?0 to 85 c unit test from to min typ max min max conditions (input) (output) propagation t plh 7.1 13.0 1.0 15.5 ns c l = 15 pf a y delay time t phl 9.2 16.5 1.0 18.5 c l = 50 pf enable time t zh 7.4 13.0 1.0 15.5 ns c l = 15 pf oe y t zl 9.5 16.5 1.0 18.5 c l = 50 pf disable time t hz 5.7 14.7 1.0 17.0 ns c l = 15 pf oe y t lz 8.1 18.2 1.0 20.5 c l = 50 pf ? cc = 3.3 0.3 v item symbol t a = 25 c t a = ?0 to 85 c unit test from to min typ max min max conditions (input) (output) propagation t plh 5.0 8.0 1.0 9.5 ns c l = 15 pf a y delay time t phl 6.4 11.5 1.0 13.0 c l = 50 pf enable time t zh 5.1 8.0 1.0 9.5 ns c l = 15 pf oe y t zl 6.6 11.5 1.0 13.0 c l = 50 pf disable time t hz 4.4 9.7 1.0 11.5 ns c l = 15 pf oe y t lz 6.1 13.2 1.0 15.0 c l = 50 pf
HD74LV2G126A 7 switching characteristics (cont) ? cc = 5.0 0.5 v item symbol t a = 25 c t a = ?0 to 85 c unit test from to min typ max min max conditions (input) (output) propagation t plh 3.5 5.5 1.0 6.5 ns c l = 15 pf a y delay time t phl 4.6 7.5 1.0 8.5 c l = 50 pf enable time t zh 3.6 5.1 1.0 6.0 ns c l = 15 pf oe y t zl 4.6 7.1 1.0 8.0 c l = 50 pf disable time t hz 3.3 6.8 1.0 8.0 ns c l = 15 pf oe y t lz 4.3 8.8 1.0 10.0 c l = 50 pf operating characteristics ? l = 50 pf item symbol v cc (v) t a = 25 c unit test conditions min typ max power dissipation capacitance c pd 3.3 10.5 pf f = 10 mhz 5.0 11.5
HD74LV2G126A 8 test circuit l note: 1. c includes probe and jig capacitance. output c = 15 or 50 pf l open *1 see under table gnd s1 1k w v cc v cc input see function table v cc test s1 t / t plh phl open gnd t / t zh hz t / t zl lz pulse generator z = 50 out w
HD74LV2G126A 9 t plh t phl v oh v ol gnd v cc 50% 50% 50% 50% 50% 50% 50% 50% input a output y ?waveforms ?1 ?waveforms ?2 10 % 90 % tr tf 10 % 90 % v ?0.3 v oh v + 0.3 v ol t zl t lz t zh t hz v oh v ol waveform ?a input oe waveform ?b gnd gnd v cc v cc notes: 1. tr 3 ns, tf 3 ns 2. input waveform : prr 1 mhz, duty cycle 50% 3. waveform ?a is for an output with internal conditions such that the output is low except when disabled by the output control. 4. waveform ?b is for an output with internal conditions such that the output is high except when disabled by the output control. 10 % 10 % 90 % 90 % tr tf
HD74LV2G126A 10 package dimensions unit : mm 0.5 1.50 hitachi code jedec eiaj mass (reference value) us-8 ssop-8 ? ? 8 - 0.2 + 0.05 - 0.04 0.13 + 0.05 - 0.03 0.5 0.5 0.7 0.1 2.0 0.1 2.3 0.1 3.1 0.1 (0.4) (0.4) (0.17) 0 - 0.1
HD74LV2G126A 11 cautions 1. hitachi neither warrants nor grants licenses of any rights of hitachi? or any third party? patent, copyright, trademark, or other intellectual property rights for information contained in this document. hitachi bears no responsibility for problems that may arise with third party? rights, including intellectual property rights, in connection with use of the information contained in this document. 2. products and product specifications may be subject to change without notice. confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. hitachi makes every attempt to ensure that its products are of high quality and reliability. however, contact hitachi? sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. design your application so that the product is used within the ranges guaranteed by hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail- safes, so that the equipment incorporating hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the hitachi product. 5. this product is not designed to be radiation resistant. 6. no one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from hitachi. 7. contact hitachi? sales office for any questions regarding this document or hitachi semiconductor products. hitachi, ltd. semiconductor & integrated circuits. nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: tokyo (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 2000. all rights reserved. printed in japan. hitachi asia ltd. 16 collyer quay #20-00 hitachi tower singapore 049318 tel: 535-2100 fax: 535-1533 url northamerica : http://semiconductor.hitachi.com/ europe : http://www.hitachi-eu.com/hel/ecg asia : http://www.hitachi.com.sg/grp3/sicd japan : http://www.hitachi.co.jp/sicd/indx.htm hitachi asia ltd. taipei branch office 3rd flr, hung kuo building, no.167, tun hwa north road, taipei (105) taiwan tel: <886> (2) 2718-3666 fax: <886> (2) 2718-8180 telex: 23222 has-tp hitachi asia (hong kong) ltd. group iii (electronic components) 7th flr, north tower, world finance centre, harbour city, canton road, tsim sha tsui, kowloon, hong kong tel: <852> (2) 735 9218 fax: <852> (2) 730 0281 telex: 40815 hitec hx hitachi europe ltd. electronic components group. whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 585160 hitachi europe gmbh electronic components group dornacher strae 3 d-85622 feldkirchen, munich germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi semiconductor (america) inc. 179 east tasman drive, san jose,ca 95134 tel: <1> (408) 433-1990 fax: <1>(408) 433-0223 for further information write to: colophon 1.0

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