tc74vhct32af/afn/aft/afk 2008-09-01 1 toshiba cmos digital integrat ed ci rcuit silicon monolithic tc74vhct32af,tc74vhct32afn,t c74vhct32aft,tc74vhct32afk quad 2-input or gate the tc74vhct32a is an advanced high speed cmos 2-input or gate fabricated with silicon gate c 2 mos technology. it achieves the high speed op eration similar to equivalent bipolar schottky ttl while main taining the cmos low power dissipation. the internal circuit is composed of 4 stages including buffer output, which provide high nois e immunity and stable output. the input voltage are compatible with ttl output voltage. this device may be used as a level converter for interfacing 3.3 v to 5 v system. input protection and output circu it ensure that 0 to 5.5 v can be applied to the input and output (note) pins without regard to the supply voltage. these structur e prevents device destruction due to mismatched supply and in put/output voltages such as battery back up, hot board insertion, etc. note: v cc = 0 v features ? high speed: t pd = 3.8 ns (typ.) at v cc = 5 v ? low power dissipation: i cc = 2 a (max) at ta = 25c ? compatible with ttl inputs: v il = 0.8 v (max) v ih = 2.0 v (min) ? power down protection is provid ed on all inputs and outputs. ? balanced propagation delays: t plh ? t phl ? low noise: v olp = 0.8 v (max) ? pin and function compatible with the 74 series (74ac/hc/f/als/ls etc.) 32 type. note: xxxfn (jedec sop) is not available in japan. tc74vhct32af tc74vhct32afn TC74VHCT32AFT tc74vhct32afk weight sop14-p-300-1.27a: 0.18 g (typ.) sol14-p-150-1.27: 0.12 g (typ.) tssop14-p-0044-0.65a: 0.06 g (typ.) vssop14-p-0030-0.50: 0.02 g (typ.)
tc74vhct32af/afn/aft/afk 2008-09-01 2 pin assignment iec logic symbol truth table a b y h h h l h h h l h l l l absolute maximum ratings (note 1) 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 ? 0.5 to 7.0 (note 2) dc output voltage v out ? 0.5 to v cc + 0.5 (note 3) v input diode current i ik ? 20 ma output diode current i ok 20 (note 4) 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 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: v cc = 0 v note 3: high or low state. i out absolute maximum rating must be observed. note 4: v out < gnd, v out > v cc (4) (9) (5) 2a ! 1 3a 2b (12) (10) (13) 4a 3b (6) (8) (11) 2y 3y 4y 4b (1) (2) 1a 1b (3) 1y v cc 9 4b 4a 4y 8 14 13 12 11 10 1a 1 2 3 4 5 6 7 2a 2b 2y gnd 3b 3a 3y (top view) 1b 1y
tc74vhct32af/afn/aft/afk 2008-09-01 3 operating ranges (note 1) characteristics symbol rating unit supply voltage v cc 4.5 to 5.5 v input voltage v in 0 to 5.5 v 0 to 5.5 (note 2) output voltage v out 0 to v cc (note 3) v operating temperature t opr ? 40 to 85 c input rise and fall time dt/dv 0 to 20 ns/v note 1: the operating ranges must be maintai ned to ensure the normal op eration of the device. unused inputs must be tied to either v cc or gnd. note 2: v cc = 0 v note 3: high or low state electrical characteristics dc characteristics test condition ta = 25c ta = ? 40 to 85c characteristics symbol v cc (v) min typ. max min max unit high-level input voltage v ih D 4.5 to 5.5 2.0 D D 2.0 D v low-level input voltage v il D 4.5 to 5.5 D D 0.8 D 0.8 v i oh = ? 50 a 4.5 4.40 4.50 D 4.40 D high-level output voltage v oh v in = v ih or v il i oh = ? 8 ma 4.5 3.94 D D 3.80 D v i ol = 50 a 4.5 D 0.0 0.1 D 0.1 low-level output voltage v ol v in = v il i ol = 8 ma 4.5 D D 0.36 D 0.44 v input leakage current i in v in = 5.5 v or gnd 0 to 5.5 D D 0.1 D 1.0 a i cc v in = v cc or gnd 5.5 D D 2.0 D 20.0 a quiescent supply current i cct per input: v in = 3.4 v other input: v cc or gnd 5.5 D D 1.35 D 1.50 ma output leakage current i opd v out = 5.5 v 0 D D 0.5 D 5.0 a
tc74vhct32af/afn/aft/afk 2008-09-01 4 ac characteristics (input: t r = t f = 3 ns) test condition ta = 25c ta = ? 40 to 85c characteristics symbol v cc (v) c l (pf) min typ. max min max unit 15 D 3.8 5.5 1.0 6.5 propagation delay time t plh t phl D 5.0 0.5 50 D 5.3 7.5 1.0 8.5 ns input capacitance c in D D 4 10 D 10 pf power dissipation capacitance c pd (note) D 14 D D D 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) noise characteristics (input: t r = t f = 3 ns) test condition ta = 25c characteristics symbol v cc (v) typ. limit unit quiet output maximum dynamic v ol v olp c l = 50 pf 5.0 0.4 0.8 v quiet output minimum dynamic v ol v olv c l = 50 pf 5.0 ? 0.4 ? 0.8 v minimum high level dynamic input voltage v ihd c l = 50 pf 5.0 D 2.0 v maximum low level dynamic input voltage v ild c l = 50 pf 5.0 D 0.8 v
tc74vhct32af/afn/aft/afk 2008-09-01 5 package dimensions weight: 0.18 g (typ.)
tc74vhct32af/afn/aft/afk 2008-09-01 6 package dimensions (note) note: this package is not available in japan. weight: 0.12 g (typ.)
tc74vhct32af/afn/aft/afk 2008-09-01 7 package dimensions weight: 0.06 g (typ.)
tc74vhct32af/afn/aft/afk 2008-09-01 8 package dimensions weight: 0.02 g (typ.)
tc74vhct32af/afn/aft/afk 2008-09-01 9 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 a nd 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 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 creating and producing des igns and using, customers mus t also refer to and comply with (a) the latest versions of all re levant toshiba information, including without limitation, this d ocument, the specifications, the data sheets and applic ation notes for product and the precautions and conditions set forth in the ?tosh iba semiconductor reliability handbook? and (b) t he instructions for the application that product will be used with or for. custome rs are solely responsible for all aspects of t heir own product design or applications, incl uding but not limited to (a) determining th e appropriateness of the use of this product in such design or applications; (b) evaluating and det ermining the applicability of any information contained in this document, or in charts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operating parameters for such designs and applications. toshiba assumes no liability for customers? product design or applications. ? product is intended for use in general el ectronics applications (e.g., computers, personal equipment, office equipment, measur ing equipment, industrial robots and home electroni cs appliances) or for specif ic applications as expre ssly stated in this document . product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality a nd/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or se rious public impact (?unintended use?). unintended use includes, without limitation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic s ignaling equipment, equipment used to control combustions or explosions, safety dev ices, elevators and escalato rs, devices related to el ectric power, and equipment used in finance-related fields. do not use product for unintended use unless specifically permitted in thi s document. ? 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