tc74hct02ap/af 2012-02-29 1 toshiba cmos digital integrat ed ci rcuit silicon monolithic tc74hct02ap,tc74hct02af quad 2-input nor gate the tc74hct02a is a high speed cmos 2-input nor gate fabricated with silicon gate c 2 mos technology. it achieves the high speed operat ion similar to equivalent lsttl while maintaining the cmos low power dissipation. this device may be used as a level converter for interfacing ttl or nmos to high speed cmos. the inputs are compatible with ttl, nmos and cmos output voltage levels. the internal circuit is composed of 3 stages, including buffer output, which provide high nois e immunity and stable output. all inputs are equipped with prot ection circuits against static discharge or transi ent excess voltage. features ? high speed: t pd = 9 ns (typ.) at v cc = 5 v ? low power dissipation: i cc = 1 a (max) at ta = 25c ? compatible with ttl outputs: v ih = 2 v (min) v il = 0.8 v (max) ? wide interfacing ability: lsttl, nmos, cmos ? output drive capability: 10 lsttl loads ? symmetrical output impedance: |i oh | = i ol = 4 ma (min) ? balanced propagation delays: t plh ? t phl ? pin and function compatible with 74ls02 pin assignment tc74hct02ap tc74hct02af weight dip14-p-300-2.54 : 0.96 g (typ.) sop14-p-300-1.27a : 0.18 g (typ.)
tc74hct02ap/af 2012-02-29 2 iec logic symbol truth table a b y l l h l h l h l l h h l absolute maximum ratings (note 1) characteristics symbol rating unit supply voltage range v cc ?0.5~7 v dc input voltage v in ?0.5~v cc + 0.5 v dc output voltage v out ?0.5~v cc + 0.5 v input diode current i ik 20 ma output diode current i ok 20 ma dc output current i out 25 ma dc v cc /ground current i cc 50 ma power dissipation p d 500 (dip) (note 2)/180 (sop) mw storage temperature t stg ?65~150 c note 1: exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in ic performance or even destruction. using continuously under heavy loads (e.g. the app lication of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temper ature/current/voltage, etc. ) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/?derating concept and methods?) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). note 2: 500 mw in the range of ta = ? 40 to 65c. from ta = 65 to 85c a derating factor of ? 10 mw/c shall be applied until 300 mw. operating ranges (note) characteristics symbol rating unit supply voltage v cc 4.5~5.5 v input voltage v in 0~v cc v output voltage v out 0~v cc v operating temperature t opr ?40~85 c input rise and fall time t r , t f 0~500 ns note: the operating ranges must be maintained to ensure the normal oper ation of the device. unused inputs must be tied to either vcc or gnd.
tc74hct02ap/af 2012-02-29 3 electrical characteristics dc characteristics test condition ta = 25c ta = ? 40~85c characteristics symbol v cc (v) min typ. max min max unit high-level input voltage v ih ? 4.5~5.5 2.0 ? ? 2.0 ? v low-level input voltage v il ? 4.5~5.5 ? ? 0.8 ? 0.8 v i oh = ?20 a 4.5 4.4 4.5 ? 4.4 ? high-level output voltage v oh v in = v ih or v il i oh = ? 4 ma 4.5 4.18 4.31 ? 4.13 ? v i ol = 20 a 4.5 ? 0.0 0.1 ? 0.1 low-level output voltage v ol v in = v ih or v il i ol = 4 ma 4.5 ? 0.17 0.26 ? 0.33 v input leakage current i in v in = v cc or gnd 5.5 ? ? 0.1 ? 1.0 a i cc v in = v cc or gnd 5.5 ? ? 1.0 ? 10.0 a quiescent supply current i c per input: v in = 0.5 v or 2.4 v other input: v cc or gnd 5.5 ? ? 2.0 ? 2.9 ma ac characteristics (c l = 15 pf, v cc = 5 v, ta = 25c, input: t r = t f = 6 ns) characteristics symbol test condition min typ. max unit output transition time t tlh t thl ? ? 6 12 ns propagation delay time t plh t phl ? ? 9 15 ns ac characteristics (c l = 50 pf, input: t r = t f = 6 ns) test condition ta = 25c ta = ? 40~85c characteristics symbol v cc (v) min typ. max min max unit output transition time t tlh t thl ? 4.5 5.5 ? ? 8 7 15 13 ? ? 19 16 ns propagation delay time t plh t phl ? 4.5 5.5 ? ? 12 11 18 16 ? ? 23 20 ns input capacitance c in ? ? 5 10 ? 10 pf power dissipation capacitance c pd (note) ? ? 18 ? ? ? pf note: c pd is defined as the value of the internal equivalent capacitance which is ca lculated from the operating current consumption without load. average operating current can be obtained by the equation: i cc (opr) = c pd ?v cc ?f in + i cc /4 (per gate)
tc74hct02ap/af 2012-02-29 4 package dimensions weight: 0.96 g (typ.)
tc74hct02ap/af 2012-02-29 5 package dimensions weight: 0.18 g (typ.)
tc74hct02ap/af 2012-02-29 6 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively "toshiba"), reserve the right to make changes to the in formation in this document, and related hardware, software and systems (collectively "product") without notice. ? this document and any information herein may not be reproduc ed without prior written permission from toshiba. even with toshiba's written permission, reproduc tion is permissible only if reproduction is without alteration/omission. ? though toshiba works continually to improve product's quality and reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for prov iding adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situations in which a ma lfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before customers use the product, create designs including the product, or incorporate the product into their own applications, cu stomers must also refer to and comply with (a) the latest versions of all relevant toshiba information, including without limitation, this document, the specifications, the data sheets and application notes for product and the precautions and condi tions set forth in the "toshiba semiconductor reliability handbook" and (b) the instructions for the application with which the product will be us ed with or for. customers are solely responsible for all aspe cts of their own product design or applications, including but not limited to (a) determining the appropriateness of the use of this product in such design or applications; (b) eval uating and determining the applicability of any info rmation contained in this document, or in c harts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operatin g parameters for such designs and applications. toshiba assumes no liability for customers' product design or applications. ? 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