tc74lvx74f/ft 2012-02-29 1 toshiba cmos digital integrat ed circuit silicon monolithic tc74lvx74f,tc74lvx74ft dual d-type flip-flop with preset and clear the tc74lvx74f/ ft is a high-speed cmos d-flip flop fabricated with silicon gate cm os technology. designed for use in 3-v systems, it achieves high-speed operation while maintaining the cmos low power dissipation. this device is suitable for low-voltage and battery operated systems. the signal level applied to the d input is transferred to q output during the positive goin g transition of the ck pulse. clr and pr are independent of the ck and are accomplished by setting the appropriate input low. an input protection circuit en sures that 0 to 5.5v can be applied to the input pins withou t regard to the supply voltage. this device can be used to interface 5v to 3v systems and two supply systems such as battery back up. this circuit prevents device destruction due to mismat ched supply and input voltages. features ? high-speed: f max = 145 mhz (typ.) (v cc = 3.3 v) ? low power dissipation: i cc = 2 a (max) (ta = 25c) ? input voltage level: v il = 0.8 v (max) (v cc = 3 v) v ih = 2.0 v (min) (v cc = 3 v) ? power-down protection provided on all inputs ? balanced propagation delays: t plh ? t phl ? pin and function compatible with 74hc74 tc74lvx74f tc74lvx74ft weight sop14-p-300-1.27a : 0.18 g (typ.) tssop14-p-0044-0.65a : 0.06 g (typ.)
tc74lvx74f/ft 2012-02-29 2 pin assignment (top view) iec logic symbol truth table inputs outputs clr pr d ck q q function l h x x l h clear h l x x h l preset l l x x h h ? h h l l h ? h h h h l ? h h x qn q n no change x: don?t care absolute maximum ratings (note) characteristics symbol rating unit supply voltage range v cc ? 0.5 to 7.0 v dc input voltage v in ? 0.5 to 7.0 v dc output voltage v out ? 0.5 to 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 180 mw storage temperature t stg ? 65 to 150 c note: exceeding any of the absolute maximum ratings, even br iefly, 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. operat ing temperature/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). v cc clr2 2d 2ck pr 2 2q 14 13 12 11 10 clr1 1 2 3 4 5 6 7 1d 1ck pr1 1q q1 gnd q2 9 8 ck q d q ck q d q 1q q1 2q q2 (5) (6) (9) (8) (3) (1) (11) (13) (4) (2) (10) (12) pr1 1d pr2 2d 1ck cl r 1 2ck clr2 s c1 1d r
tc74lvx74f/ft 2012-02-29 3 operating ranges (note) characteristics symbol rating unit supply voltage v cc 2.0 to 3.6 v input voltage v in 0 to 5.5 v output voltage v out 0 to v cc v operating temperature t opr ? 40 to 85 c input rise and fall time dt/dv 0 to 100 ns/v 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. electrical characteristics dc characteristics ta = 25c ta = ? 40 to 85c characteristics sym- bol test condition v cc (v) min typ. max min max unit 2.0 1.5 ? ? 1.5 ? 3.0 2.0 ? ? 2.0 ? h-level v ih ? 3.6 2.4 ? ? 2.4 ? 2.0 ? ? 0.5 ? 0.5 3.0 ? ? 0.8 ? 0.8 input voltage l-level v il ? 3.6 ? ? 0.8 ? 0.8 v i oh = ? 50 a 2.0 1.9 2.0 ? 1.9 ? i oh = ? 50 a 3.0 2.9 3.0 ? 2.9 ? h-level v oh v in = v ih or v il i oh = ? 4 ma 3.0 2.58 ? ? 2.48 ? i ol = 50 a 2.0 ? 0 0.1 ? 0.1 i ol = 50 a 3.0 ? 0 0.1 ? 0.1 output voltage l-level v ol v in = v ih or v il i ol = 4 ma 3.0 ? ? 0.36 ? 0.44 v input leakage current i in v in = 5.5 v or gnd 3.6 ? ? 0.1 ? 1.0 a quiescent supply current i cc v in = v cc or gnd 3.6 ? ? 2.0 ? 20.0 a timing requirements (input: t r = t f = 3 ns) ta = 25c ta = ? 40 to 85c characteristics symbol test condition v cc (v) limit limit unit 2.7 8.5 10.0 minimum pulse width (ck) t w (l) t w (h) ? 3.3 0.3 6.0 7.0 ns 2.7 8.5 10.0 minimum pulse width ( clr , pr ) t w (l) ? 3.3 0.3 6.0 7.0 ns 2.7 8.0 9.5 minimum set-up time t s ? 3.3 0.3 5.5 6.5 ns 2.7 0.5 0.5 minimum hold time t h ? 3.3 0.3 0.5 0.5 ns 2.7 6.5 7.5 minimum removal time ( clr , pr ) t rem ? 3.3 0.3 5.0 5.0 ns
tc74lvx74f/ft 2012-02-29 4 ac characteristics (input: t r = t f = 3 ns) ta = 25c ta = ? 40 to 85c characteristics symbol test condition v cc (v) c l (pf) min typ. max min max unit 15 ? 7.3 15.0 1.0 18.5 t plh 2.7 50 ? 9.8 18.5 1.0 22.0 15 ? 5.7 9.7 1.0 11.5 propagation delay time (ck-q, q) t phl ? 3.3 0.3 50 ? 8.2 13.2 1.0 15.0 ns 15 ? 8.4 15.6 1.0 18.5 t plh 2.7 50 ? 10.9 19.1 1.0 22.0 15 ? 6.6 10.1 1.0 12.0 propagation delay time ( clr , pr -q, q) t phl ? 3.3 0.3 50 ? 9.1 13.6 1.0 15.5 ns 15 55 135 ? 50 ? 2.7 50 45 60 ? 40 ? 15 95 145 ? 80 ? maximum clock frequency f max ? 3.3 0.3 50 60 85 ? 50 ? mhz 2.7 50 ? ? 1.5 ? 1.5 output to output skew t oslh t oshl (note 1) 3.3 0.3 50 ? ? 1.5 ? 1.5 ns input capacitance c in (note 2) ? 4 10 ? 10 pf power dissipation capacitance c pd (note 3) ? 25 ? ? ? pf note 1: parameter guaranteed by design. (t oslh = |t plhm ? t plhn |, t oshl = |t phlm ? t phln |) note 2: parameter guaranteed by design. note 3: c pd is defined as the value of the internal equivalent capacitance which is ca lculated from the operating current consumption. average operating current can be obtained by the equation: i cc (opr) = c pd ?v cc ?f in + i cc /2 (per f/f) noise characteristics (ta = 25c, input: t r = t f = 3 ns, c l = 50 pf) characteristics symbol test condition v cc (v) typ. limit unit quiet output maximum dynamic v ol v olp ? 3.3 0.3 0.5 v quiet output minimum dynamic v ol v olv ? 3.3 ? 0.3 ? 0.5 v minimum high level dynamic input voltage v ih v ihd ? 3.3 ? 2.0 v maximum low level dynamic input voltage v il v ild ? 3.3 ? 0.8 v input equivalent circuit input
tc74lvx74f/ft 2012-02-29 5 package dimensions weight: 0.18 g (typ.)
tc74lvx74f/ft 2012-02-29 6 package dimensions weight: 0.06 g (typ.)
tc74lvx74f/ft 2012-02-29 7 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 reproducti on 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 situat ions in which a malfunction 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 ve rsions 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 se miconductor 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) evaluating and determining the applicability of any information 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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