74ahct14 document number: ds35352 rev. 3 - 2 1 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 hex inverters with schmitt trigger inputs description the 74ahct14 provides provides six independent schmitt trigger input inverters with standard push-pull outputs. the device is designed for operation with a power supply range of 4.5v to 5.5v. the gates perform the boolean function: a y = features ? wide supply voltage range from 4.5v to 5.5v ? inputs are ttl voltage level compatible ? outputs sink or source 8ma at v cc = 4.5v ? cmos low power consumption ? schmitt trigger action at all inputs ? esd protection exceeds jesd 22 ? 200-v machine model (a115-a) ? 2000-v human body model (a114-a) ? exceeds 1000-v charged device model (c101c) ? latch-up exceeds 250ma per jesd 78, class ii ? range of package options so-14 and tssop-14 ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) pin assignments applications ? general purpose logic ? wide array of products such as: ? pcs, networking, notebooks, netbooks ? computer peripherals, hard drives, cd/dvd rom ? tv, dvd, dvr, set top box notes: 1. no purposely added lead. fully eu directiv e 2002/95/ec (rohs) & 2011/6 5/eu (rohs 2) compliant. 2. see http://www.diodes.com for more information about diodes incor porated?s definitions of hal ogen- and antimony-free, "gre en" and lead-free. 3. halogen- and antimony-free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. click here for ordering information, located at the end of datasheet
74ahct14 document number: ds35352 rev. 3 - 2 2 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 pin descriptions pin number pin name function 1 1a data input 2 1y data output 3 2a data input 4 2y data output 5 3a data input 6 3y data output 7 gnd ground 8 4y data output 9 4a data input 10 5y data output 11 5a data input 12 6y data output 13 6a data input 14 v cc supply voltage function table input output a y l h h l logic diagram absolute maximum ratings (note 4) (@t a = +25c, unless otherwise specified.) symbol description rating unit esd hbm human body model esd protection 2 kv esd cdm charged device model esd protection 1 kv esd mm machine model esd protection 200 v v cc supply voltage range -0.5 to +7.0 v v i input voltage range -0.5 to +7.0 v i ik input clamp current v i < -0.5v -20 ma i ok output clamp current v o < 0 v -20 ma i ok output clamp current v o > v cc 20 ma i o continuous output current 0 v < v o < v cc +/- 25 ma i cc continuous current through v cc 50 ma i gnd continuous current through gnd -50 ma t j operating junction temperature -40 to +150 c t stg storage temperature -65 to +150 c p tot total power dissipation 500 mw note: 4. stresses beyond the absolute maximum may result in imm ediate failure or reduced reliabili ty. these are stress values a nd device operation should be within recommend values.
74ahct14 document number: ds35352 rev. 3 - 2 3 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 recommended operating conditions (note 5) (@t a = +25c, unless otherwise specified.) symbol parameter min max unit v cc supply voltage 4.5 5.5 v v i input voltage 0 5.5 v v o output voltage 0 v cc v t/ v input transition rise or fall rate 20 ns/v t a operating free-air temperature -40 +125 c note: 5. unused inputs should be held at v cc or ground. electrical characteristics (@t a = +25c, unless otherwise specified.) symbol parameter test conditions v cc t a = -40c to +85c t a = -40c to +125c unit min max min max v t+ positive-going input threshold voltage 4.5v 1.9 1.9 v 5.5v 2.1 2.1 v t- negative-going input threshold voltage 4.5v 0.5 0.5 v 5.5v 0.6 0.55 ? v t hysteresis (v t+ - v t-) 4.5v 0.5 0.5 v 5.5v 0.6 0.6 v oh high-level output voltage i oh = -50 a 4.5v 4.4 4.4 v i oh = -8ma 4.5v 3.80 3.70 v ol low-level output voltage i ol = 50 a 4.5v 0.1 0.1 v i ol = 8ma 4.5v 0.44 0.55 i i input current v i = gnd to 5.5v 3.6v 1 2 a i cc supply current v i = gnd or v cc, i o = 0 3.6v 20 40 a i cc additional supply current one input at v cc -2.1v other pins at v cc or gnd. 4.5v to 5.5v 1.35 5 ma operating characteristics parameter test conditions v cc = 5.5v unit typ c pd power dissipation capacitance per gate f = 1 mhz 14.8 pf c i input capacitance v i = v cc ? or gnd 4.0 pf switching characteristics symbol parameter test conditions v cc t a = +25c -40c to +85c -40c to +125c unit min typ max min max min max t pd propagation delay a n to y n figure 1 c l = 15pf 4.5v to 5.5v 0.5 3.4 6.9 0.5 8.0 0.5 9.0 ns figure 1 c l = 50pf 4.5v to 5.5v 0.5 4.9 10.0 0.5 10.0 0.5 11.0
74ahct14 document number: ds35352 rev. 3 - 2 4 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 parameter measurement information v cc inputs v m inputs v m outputs c l v i t r /t f 4.5v to 5.5v 3.0 v 3ns 1.5v v cc /2 15pf, 50pf voltage waveform pulse duration voltage waveform propagation delay times inverting and non inverting outputs figure 1 load circuit and voltage waveforms notes: a. includes test lead and test apparatus capacitance. b. all pulses are supplied at pulse repetition rate 1 mhz. c. inputs are measured separatel y one transition per measurement. d. t plh and t phl are the same as t pd .
74ahct14 document number: ds35352 rev. 3 - 2 5 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 ordering information part number package code packaging 7? tape and reel quantity part number suffix 74ahct14s14-13 s14 so-14 2500/tape & reel -13 74AHCT14T14-13 t14 tssop-14 2500/tape & reel -13 marking information (1) so-14, tssop-14 part number package 74ahct14s14 so-14 74ahct14t14 tssop-14
74ahct14 document number: ds35352 rev. 3 - 2 6 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 package outline dimensions (all dimensions in mm.) please see ap02002 at http://www.diodes.com /datasheets/ap02002.pdf for latest version. package type: so-14 package type: tssop-14 so-14 dim min max a 1.47 1.73 a1 0.10 0.25 a2 1.45 typ b 0.33 0.51 d 8.53 8.74 e 3.80 3.99 e 1.27 typ h 5.80 6.20 l 0.38 1.27 0 8 all dimensions in mm tssop-14 dim min max a1 7 (4x) a2 0 8 a 4.9 5.10 b 4.30 4.50 c ? 1.2 d 0.8 1.05 f 1.00 typ f1 0.45 0.75 g 0.65 typ k 0.19 0.30 l 6.40 typ all dimensions in mm e h a a2 e d a1 l gauge plane detail ?a? detail ?a? 7 ( 4 x ) b g l a k a 1 d c a 2 f f1 pin# 1 indent detail ?a? detail ?a? 0 . 2 5 gauge plane seating plane b
74ahct14 document number: ds35352 rev. 3 - 2 7 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 suggested pad layout please see ap02001 at http://www.diodes.com/dat asheets/ap02001.pdf for the latest version. package type: so-14 package type: tssop-14 dimensions value (in mm) x 0.60 y 1.50 c1 5.4 c2 1.27 dimensions value (in mm) x 0.45 y 1.45 c1 5.9 c2 0.65 x c1 c2 y x c1 c2 y
74ahct14 document number: ds35352 rev. 3 - 2 8 of 8 www.diodes.com january 2013 ? diodes incorporated new product 74ahct14 important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does diodes inco rporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose pr oducts are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability what soever in respect of any pr oducts purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or u nauthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, ex penses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into mu ltiple languages for reference. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical comp onents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when pro perly used in accordance with in structions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for a ll legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arising out of the use of diodes incorporated products in such safety-critical, life suppor t devices or systems. copyright ? 2013, diodes incorporated www.diodes.com
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