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regarding the change of names mentioned in the document, such as hitachi electric and hitachi xx, to renesas technology corp. the semiconductor operations of mitsubishi electric and hitachi were transferred to renesas technology corporation on april 1st 2003. these operations include microcomputer, logic, analog and discrete devices, and memory chips other than drams (flash memory, srams etc.) accordingly, although hitachi, hitachi, ltd., hitachi semiconductors, and other hitachi brand names are mentioned in the document, these names have in fact all been changed to renesas technology corp. thank you for your understanding. except for our corporate trademark, logo and corporate statement, no changes whatsoever have been made to the contents of the document, and these changes do not constitute any alteration to the contents of the document itself. renesas technology home page: http://www.renesas.com renesas technology corp. customer support dept. april 1, 2003 to all our customers
cautions keep safety first in your circuit designs! 1. renesas technology corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. trouble with semiconductors may lead to personal injury, fire or property damage. remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or (iii) prevention against any malfunction or mishap. notes regarding these materials 1. these materials are intended as a reference to assist our customers in the selection of the renesas technology corporation product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to renesas technology corporation or a third party. 2. renesas technology corporation assumes no responsibility for any damage, or infringement of any third-party's rights, originating in the use of any product data, diagrams, charts, programs, algorithms, or circuit application examples contained in these materials. 3. all information contained in these materials, including product data, diagrams, charts, programs and algorithms represents information on products at the time of publication of these materials, and are subject to change by renesas technology corporation without notice due to product improvements or other reasons. it is therefore recommended that customers contact renesas technology corporation or an authorized renesas technology corporation product distributor for the latest product information before purchasing a product listed herein. the information described here may contain technical inaccuracies or typographical errors. renesas technology corporation assumes no responsibility for any damage, liability, or other loss rising from these inaccuracies or errors. please also pay attention to information published by renesas technology corporation by various means, including the renesas technology corporation semiconductor home page (http://www.renesas.com). 4. when using any or all of the information contained in these materials, including product data, diagrams, charts, programs, and algorithms, please be sure to evaluate all information as a total system before making a final decision on the applicability of the information and products. renesas technology corporation assumes no responsibility for any damage, liability or other loss resulting from the information contained herein. 5. renesas technology corporation semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake. please contact renesas technology corporation or an authorized renesas technology corporation product distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use. 6. the prior written approval of renesas technology corporation is necessary to reprint or reproduce in whole or in part these materials. 7. if these products or technologies are subject to the japanese export control restrictions, they must be exported under a license from the japanese government and cannot be imported into a country other than the approved destination. any diversion or reexport contrary to the export control laws and regulations of japan and/or the country of destination is prohibited. 8. please contact renesas technology corporation for further details on these materials or the products contained therein.
HD74SSTV16857A 1:1 14-bit sstl_2 registered buffer ade-205-695 (z) rev.0 jun. 2002 description the HD74SSTV16857A is a 14-bit registered buffer designed for 2.3 v to 2.7 v vcc operation and lvcmos reset ( reset ) input / sstl_2 data (d) inputs and clk input. data flow from d to q is controlled by differential clock pins (clk, clk ) and the reset . data is triggered on the positive edge of the positive clock (clk), and the negative clock ( clk ) must be used to maintain noise margins. when reset is low, all registers are reset and all outputs are low. to ensure defined outputs from the register before a stable clock has been supplied, reset must be held in the low state during power up. features ? supports lvcmos reset ( reset ) input / sstl_2 data (d) inputs and clk input ? differential sstl_2 (stub series terminated logic) clk signal ? flow through architecture optimizes pcb layout ? package type package type package code package suffix taping code tssop-48 pin ttp-48dbv t el (1,000 pcs / reel) tvsop-48 pin ttp-48dev n el (1,000 pcs / reel)
HD74SSTV16857A rev.0, jun. 2002, page 2 of 2 function table inputs reset reset reset reset clk clk clk clk clk d output q l x x x l h h h h l l h l or h h or l x q 0 *1 h : high level l : low level x : immaterial : low to high transition : high to low transition note: 1. output level before the indicated steady state input conditions were established.
HD74SSTV16857A rev.0, jun. 2002, page 3 of 3 pin arrangement (top view) 1 2 3 4 5 6 7 8 9 10 gnd gnd gnd gnd gnd 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 q2 q1 q7 q6 q4 q5 q3 q9 q8 q14 q13 q12 q11 q10 d14 d13 gnd d12 d11 rese t gnd d9 d8 clk d10 d3 d4 d5 d6 d7 d2 d1 gnd v ddq v ddq v ddq v ddq v ddq v cc v ref clk v cc v cc
HD74SSTV16857A rev.0, jun. 2002, page 4 of 4 absolute maximum ratings item symbol ratings unit conditions supply voltage v cc or v ddq ?0.5 to 3.6 v input voltage *1 v i ?0.5 to v ddq +0.5 v output voltage *1, 2 v o ?0.5 to v ddq +0.5 v input clamp current i ik 50 ma v i < 0 or v i > v cc output clamp current i ok 50 ma v o < 0 or v o > v ddq continuous output current i o 50 ma v o = 0 to v ddq v cc , v ddq or gnd current / pin i cc , i ddq or i gnd 100 ma maximum power dissipation at ta = 55c (in still air) p t 115 c / w tssop storage temperature tstg ?65 to +150 c notes: stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditions? is not implied. exposure to absolute maximum rated conditions for extended periods may affect device reliability. 1. the input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. 2. this current will flow only when the output is in the high state and v o > v ddq .
HD74SSTV16857A rev.0, jun. 2002, page 5 of 5 recommended operating conditions item symbol min typ max unit conditions supply voltage v cc v ddq 2.5 2.7 v output supply voltage v ddq 2.3 2.5 2.7 v reference voltage v ref 1.15 1.25 1.35 v v ref = 0.5 v ddq termination voltage v tt v ref ? 40 mv v ref v ref +40 mv v input voltage v i 0 ? v cc v ac high level input voltage v ih v ref +310 mv ? ? v d ac low level input voltage v il ? ? v ref ? 310 mv v d dc high level input voltage v ih v ref +150 mv ? ? v d dc low level input voltage v il ? ? v ref ? 150 mv v d high level input voltage v ih 1.7 ? v ddq +0.3 v reset low level input voltage v il ? 0.3 ? 0.7 v reset (common mode range) v cmr 0.97 ? 1.53 v clk, clk differential input voltage (minimum peak to peak input) v pp 360 ? ? mv clk, clk high level output current i oh ? ? ? 20 ma low level output current i ol ? ? 20 ma operating temperature ta 0 ? 70 c note: the reset input of the device must be held at v ddq or gnd to ensure proper device operation. the differential inputs must not be floating, unless reset is low.
HD74SSTV16857A rev.0, jun. 2002, page 6 of 6 logic diagram c l k d1 34 38 39 4 8 v ref 35 1 q1 c l k r e s e t * 1 r 1d c1 to thirt ee n oth e r c h a nn e l s note: 1. reset input gate is connected to v ddq .
HD74SSTV16857A rev.0, jun. 2002, page 7 of 7 electrical characteristics item symbol v cc (v) min typ max unit test conditions input diode voltage v ik 2.3 ? ? ? 1.2 v i in = ? 18 ma 2.3 to 2.7 v cc ? 0.2 ? ? v i oh = ? 100 a v oh 2.3 1.95 ? v ddq i oh = ? 16 ma 2.3 to 2.7 ? ? 0.2 i ol = 100 a output voltage v ol 2.3 0 ? 0.35 i ol = 16 ma input current (all inputs) i in 2.7 ? ? 5 a v in = 2.7 v or 0 quiescent supply current i cc *2 2.7 ? 25 45 ma v in = v ih(ac) or v il(ac) , i o = 0 standby current i cc (stdy) 2.7 ? ? 10 a reset = gnd dynamic operating clock only i ccd *2 2.7 ? 38 45 a/ clock mhz reset = v cc , v i = v ih(ac) or v il(ac) , clk and clk switching 50% duty cycle dynamic operating per each data input i ccd *2 2.7 ? 11 15 a/ clock mhz / data input reset = v cc , v i = v ih(ac) or v il(ac) , clk and clk switching 50% duty cycle. one data i nput switching at half clock frequency, 50% duty cycle. output high *3 r oh 2.3 to 2.7 7 ? 20 *4 ? i oh = ? 20 ma output low *3 r ol 2.3 to 2.7 7 ? 20 *4 ? i ol = 20 ma ? r oh ? r ol ? each separate bit *3 r o( ? ) 2.5 ? ? 4 ? i o = 20 ma, ta = 25 c data inputs 2.5 ? 3.5 v i = v ref 310 mv clk and clk 2.5 ? 3.5 v cmr = 1.25 v, v pp = 360 mv input capacitance reset c in 2.5 *1 ? 3.0 ? pf v i = v cc or gnd notes: 1. all typical values are at v cc = 2.5 v, ta = 25 c. 2. total i cc (max) = i cc + {i ccd (clock) f(clock)} + {i ccd (data) 1/2f(clock) 14} 3. this is effective in the case that it did terminate by resistance. 4. see figure. 1, 2.
HD74SSTV16857A rev.0, jun. 2002, page 8 of 8 switching characteristics v cc = 2.5 0.2 v item symbol min max unit test condition clock frequency *1 f clock ? 200 mhz fast slew rate *4, 6 0.75 ? setup time slow slew rate *5, 6 t su 0.9 ? ns data before clk , clk fast slew rate *4, 6 0.75 ? hold time slow slew rate *5, 6 t h 0.9 ? ns data after clk , clk differential inputs active time t act 22 ? ns data inputs must be low after reset high. differential inputs inactive time t inact 22 ? ns data and clock inputs must be held at valid levels (not floating) after reset low. pulse width t w 2.5 ? ns clk , clk ? h ? or ? l ? output slew *3 t sl 1 4 volt/ns (c l = 30 pf, r l = 50 ? , v ref = v tt = v ddq 0.5) v cc = 2.50.2 v item symbol min typ max unit from (input) to (output) maximum clock frequency f max 200 ? ? mhz t plh, t phl 1.1 ? 2.8 clk, clk q propagation delay time *2 t phl ? ? 5.0 ns reset q notes: 1. although the clock is differential, all timing is relative to clk going high and clk going low. 2. this timing relationship is specified into test load (see waveforms ? 3, 4) with all of the outputs switching. 3. assumes into an equivalent, distributed load to the address net structure defined in the application information provided in this specification. 4. for data signal input slew rate 1 v/ns. 5. for data signal input slew rate 0.5 v/ns and < 1 v/ns. 6. clk, clk signals input slew rates are 1 v/ns.
HD74SSTV16857A rev.0, jun. 2002, page 9 of 9 test circuit c = 30 pf l test point v tt *1 *2 50 ? notes: 1. c l includes probe and jig capacitance. 2. v tt = v ref = v ddq 0.5 waveforms ? 1 lvcmos reset input v /2 cc v /2 cc 10 % *1 90 % v cc 0 v i cch i ccl i cc t inact t act
HD74SSTV16857A rev.0, jun. 2002, page 10 of 10 waveforms ? 2 t su t h t w timing input input input v cmr v pp v ref v ref v ref v ref v ih v il v ih v il waveforms ? 3 timing input output v cmr v cmr v tt v tt v pp v oh v ol t plh t phl
HD74SSTV16857A rev.0, jun. 2002, page 11 of 11 waveforms ? 4 lvcmos reset input output v /2 cc v ih v il v oh v ol v tt t phl notes: 1. i cc tested with clock and data inputs held at v cc or gnd, and i o = 0 ma. 2. all input pulses are supplied by generators having the following characteristics : prr 10 mhz, zo = 50 ? , input slew rate = 1 v/ns 20% (unless otherwise specified). 3. the outputs are measured one at a time with one transition per measurement. 4. v tt = v ref = v ddq /2 5. v ih = v ref +310 mv (ac voltage levels) for differential inputs. v ih = v cc for lvcmos input. 6. v il = v ref ? 310 mv (ac voltage levels) for differential inputs. v il = gnd for lvcmos input. 7. t plh and t phl are the same as t pd
HD74SSTV16857A rev.0, jun. 2002, page 12 of 12 application data min voltage (v) ? pull-down current (amps) max 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 20 40 60 80 100 figure. 1 min voltage (v) current (amps) max 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -100 -80 -60 -40 -20 0 ? pull-up figure. 2
HD74SSTV16857A rev.0, jun. 2002, page 13 of 13 curve data pull-down pull-up i (ma) i (ma) i (ma) i (ma) voltage (v) min max min max 0.0 0 0 0 0 0.1 6 7 ? 6 ? 7 0.2 11.5 15 ? 11.5 ? 13 0.3 16 22 ? 16 ? 19 0.4 20 29 ? 20 ? 25 0.5 23 35.5 ? 23.5 ? 31 0.6 27 41.5 ? 28 ? 37 0.7 30.5 48 ? 31.5 ? 42 0.8 34 54 ? 35 ? 47 0.9 36.5 59 ? 38 ? 53 1.0 38.5 65 ? 41 ? 58 1.1 40 70 ? 44 ? 62 1.2 42 75 ? 46 ? 66 1.3 43 79 ? 48 ? 71 1.4 44 82 ? 50 ? 74 1.5 44 84.5 ? 51 ? 77 1.6 45 87 ? 52 ? 81 1.7 45 89 ? 52 ? 84 1.8 45 90 ? 52.5 ? 86 1.9 45 90 ? 53 ? 89 2.0 45 91 ? 53 ? 91 2.1 46 91 ? 53.5 ? 92 2.2 46 91 ? 54 ? 93 2.3 46 91 ? 54 ? 94 2.4 46 91.5 ? 54 ? 95 2.5 46 92 ? 54.5 ? 96.5 2.6 46 92 ? 55 ? 98 2.7 46 92 ? 55 ? 99
HD74SSTV16857A rev.0, jun. 2002, page 14 of 14 package dimensions hitachi code jedec jeita mass (reference value) ttp-48dbv ? ? 0.20 g *pd plating 0.08 m 0.10 *0.15 0.05 8.10 0.20 0.50 0.1 0.65 max 124 25 48 12.5 6.10 0? ? 8? 0.50 1.20 max 0.10 0.05 12.7 max 1.0 *0.19 0.05 as of january, 2002 unit: mm
HD74SSTV16857A rev.0, jun. 2002, page 15 of 15 hitachi code jedec jeita mass (reference value) ttp-48dev ? ? ? *pd plating 0.07 m 0.08 *0.15 0.05 6.40 0.20 0.50 0.10 0.40 max 124 25 48 9.70 4.40 0 ? ? 8 ? 0.40 1.20 max 0.10 0.05 9.90 max 1.0 *0.18 0.05 unit: mm
HD74SSTV16857A rev.0, jun. 2002, page 16 of 16 disclaimer 1. hitachi neither warrants nor grants licenses of any rights of hitachi?s or any third party?s 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?s 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?s 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?s sales office for any questions regarding this document or hitachi semiconductor products. sales offices hitachi, ltd. semiconductor & integrated circuits nippon bldg., 2-6-2, ohte-machi, chiyoda-ku, tokyo 100-0004, japan tel: (03) 3270-2111 fax: (03) 3270-5109 copyright ? hitachi, ltd., 2002. all rights reserved. printed in japan. hitachi asia ltd. hitachi tower 16 collyer quay #20-00 singapore 049318 tel : <65>-6538-6533/6538-8577 fax : <65>-6538-6933/6538-3877 url : http://semiconductor.hitachi.com.sg url http://www.hitachisemiconductor.com/ hitachi asia ltd. (taipei branch office) 4/f, no. 167, tun hwa north road hung-kuo building taipei (105), taiwan tel : <886>-(2)-2718-3666 fax : <886>-(2)-2718-8180 telex : 23222 has-tp url : http://www.hitachi.com.tw hitachi asia (hong kong) ltd. group iii (electronic components) 7/f., north tower world finance centre, harbour city, canton road tsim sha tsui, kowloon hong kong tel : <852>-2735-9218 fax : <852>-2730-0281 url : http://semiconductor.hitachi.com.hk hitachi europe gmbh electronic components group dornacher stra?e 3 d-85622 feldkirchen postfach 201, d-85619 feldkirchen germany tel: <49> (89) 9 9180-0 fax: <49> (89) 9 29 30 00 hitachi europe ltd. electronic components group whitebrook park lower cookham road maidenhead berkshire sl6 8ya, united kingdom tel: <44> (1628) 585000 fax: <44> (1628) 585200 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 6.0

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