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october 2009 ? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 mm74hct14 ? hex inverting schmitt trigger mm74hct14 hex inverting schmitt trigger features ? typical propagation delay: 13ns ? wide power supply range: 4.5v?5.5v ? low quiescent current: 10a maximum ? low input current: 1a maximum ? fanout of 10 ls-ttl loads ? typical hysteresis voltage: 0.6v at v cc = 4.5v ? ttl, ls pin-out and input threshold compatible description the mm74hct14 utilizes advanced silicon-gate cmos technology to achieve the low power dissipation and high noise immunity of standard cmos, as well as the capability to drive 10 ls-ttl loads. the 74hct logic family is functionally and pinout- compatible with the standard 74ls logic family. inputs are protected from damage due to static discharge by internal diode clamps to v cc and ground. ordering information part number operating temperature range eco status package packing method mm74hct14m -40c to +85c rohs 14-lead, small-outline integrated circuit (soic), jedec ms-012, 0.150in narrow tube mm74hct14mx -40c to +85c rohs 14-lead, small-outline integrated circuit (soic), jedec ms-012, 0.150in narrow tape & reel mm74hct14sj -40c to +85c rohs 14-lead, small-outline package (sop), eiaj type ii, 5.3mm wide tube mm74hct14sjx -40c to +85c rohs 14-lead, small-outline package (sop), eiaj type ii, 5.3mm wide tape & reel mm74hct14mtc -40c to +85c rohs 14-lead, thin-shrink small-outline package (tssop), jedec mo-153, 4.4mm wide tube mm74hct14mtcx -40c to +85c rohs 14-lead, thin-shrink small-outline package (tssop), jedec mo-153, 4.4mm wide tape & reel mm74hct14sn -40c to +85c rohs 14-lead, plastic dual-inline package (pdip), jedec ms-001, 0.300in wide tube for fairchild?s definition of eco status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 2 mm74hct14 ? hex inverting schmitt trigger connection diagram figure 1. pin assignments schematic diagram figure 2. schematic
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 3 mm74hct14 ? hex inverting schmitt trigger absolute maximum ratings stresses exceeding the absolute maximum ratings may damage the device. the device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. in addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. the absolute maximum ratings are stress rati ngs only. unless otherwise specified, all voltages are referenced to ground. symbol parameter min. max. unit v cc supply voltage ?0.5 +7.0 v v in dc input voltage ?1.5 v cc +1.5 v v out dc output voltage ?0.5 v cc +0.5 v i k , i ok clamp diode current 20 ma i out dc output current, per pin 25 ma i cc dc v cc or gnd current, per pin 50 ma t stg storage temperature range ?65 +150 c t l lead temperature (soldering 10 seconds) +260 c recommended operating conditions the recommended operating conditions table defines the conditions for actual device operation. recommended operating conditions are specified to ens ure optimal performance to the datasheet specifications. fairchild does not recommend exceeding them or designing to absolute maximum ratings. symbol parameter min. max. unit v cc supply voltage 4.5 5.5 v v in , v out dc input or output voltage 0 v cc v t a operating temperature range ?40 +85 c
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 4 mm74hct14 ? hex inverting schmitt trigger dc electrical characteristics symbol parameter conditions v cc t a =+25c t a =-40c to +85c units typ. guaranteed limits v t+ positive-going threshold voltage minimum 4.5 1.5 1.2 1.2 v 5.5 1.7 1.4 1.4 maximum 4.5 1.5 1.9 1.9 5.5 1.7 2.1 2.1 v t- negative-going threshold voltage minimum 4.5 0.9 0.5 0.5 v 5.5 1.0 0.6 0.6 maximum 4.5 0.9 1.2 1.2 5.5 1.0 1.4 1.4 v h hysteresis voltage minimum 4.5 0.6 0.4 0.4 v 5.5 0.7 0.4 0.4 maximum 4.5 0.6 1.4 1.4 5.5 0.7 1.5 1.5 v oh minimum high level output voltage v in =v il , | i out | = 20a 4.5 v cc v cc ? 0.1 v cc ? 0.1 v v in =v il , | i out | = 4.0ma 4.5 4.20 3.98 3.84 v in =v il , | i out | = 4.8ma 5.5 5.20 4.98 4.98 v ol maximum low level voltage v in =v il , | i out | = 20a 4.5 0 0.1 0.1 v v in =v il , | i out | = 4.0ma 4.5 0.2 0.26 0.33 v in =v il , | i out | = 4.8ma 5.5 0.2 0.26 0.33 i in maximum input current v in = v cc or gnd, v ih or v il 5.5 0.1 1.0 a i cc maximum quiescent supply current v in = v cc or gnd, i out = 0a 5.5 1.0 10.0 a v in = 2.4v or 0.5v 2.4 2.4 ma
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 5 mm74hct14 ? hex inverting schmitt trigger ac electrical characteristics v cc = 5v, t a = 25c, c l = 15pf, t r = t f = 6ns. symbol parameter typ. guaranteed limit unit t phl , t plh maximum propagation delay 10 18 ns ac electrical characteristics unless otherwise specified, v cc = 5v10%, c l = 50pf, t r = t f = 6ns. symbol parameter conditions t a =+25c t a =-40c to +85c units typ. guaranteed limits t phl , t plh maximum propagation delay 20 25 ns t tlh , t thl maximum output rise and fall time 9 15 19 ns c pd power dissipation capacitance (1) per gate 25 pf c in maximum input capacitance 5 10 10 pf note: 1. c pd determines the no-load dynam ic power consumption, p d = c pd v cc 2 f+i cc v cc , and the no-load dynamic current consumption, i s = c pd v cc f+i cc .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 6 mm74hct14 ? hex inverting schmitt trigger typical applications figure 3. low power oscillator figure 4. oscillator input and output waveforms the following equations assume t 1 +t 2 >>t pd0 +t pd1 : + ? ? ? t cc t cc 2 v v v v rcin t (1) () () + ? ? + ? ? t cc t t cc t v v v v v v rcin 1 f (2)
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 7 mm74hct14 ? hex inverting schmitt trigger physical dimensions land pattern recommendation notes: unless otherwise specified a) this package conforms to jedec ms-012, variation ab, issue c, b) all dimensions are in millimeters. c) dimensions do not include mold flash or burrs. d) landpattern standard: soic127p600x145-14m e) drawing conforms to asme y14.5m-1994 f) drawing file name: m14arev13 pin one indicator 8 0 seating plane detail a scale: 20:1 gage plane 0.25 x 45 1 0.10 c c b ca 7 m 14 b a 8 see detail a 5.60 0.65 1.70 1.27 8.75 8.50 7.62 6.00 4.00 3.80 (0.33) 1.27 0.51 0.35 1.75 max 1.50 1.25 0.25 0.10 0.25 0.19 (1.04) 0.90 0.50 0.36 r0.10 r0.10 0.50 0.25 figure 5. 14-lead, small-outline integrated circuit (soic), jedec ms-012, 0.150in narrow package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and condition s, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 8 mm74hct14 ? hex inverting schmitt trigger physical dimensions figure 6. 14-lead, small-outline package (sop), eiaj type ii, 5.3mm wide package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and condition s, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 9 mm74hct14 ? hex inverting schmitt trigger physical dimensions c. dimensions are exclusive of burrs, mold flash, and tie bar extrusions f. drawing file name: mtc14rev6 r0.09 min 12.00 top & bottom 0.43 typ 1.00 d. dimensioning and tolerances per ansi y14.5m, 1982 r0.09min e. landpattern standard: sop65p640x110-14m 0.65 6.10 1.65 0.45 a. conforms to jedec registration mo-153, variation ab, ref note 6 b. dimensions are in millimeters figure 7. 14-lead, thin-shrink small-outlin e package (tssop), jedec mo-153, 4.4mm wide package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and condition s, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 10 mm74hct14 ? hex inverting schmitt trigger physical dimensions 14 8 7 1 notes: unless otherwise specified a) this package conforms to jedec ms-001 variation ba b) all dimensions are in millimeters. c) dimensions are exclusive of burrs, mold flash, and tie bar extrusions. d) dimensions and tolerances per asme y14.5-1994 e) drawing file name: mkt-n14arev7 6.60 6.09 8.12 7.62 0.35 0.20 19.56 18.80 3.56 3.30 5.33 max 0.38 min 1.77 1.14 0.58 0.35 2.54 3.81 3.17 8.82 (1.74) figure 8. 14-lead, plastic dual-inline p ackage (pdip), jedec ms-001, 0.300in wide package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner without notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to ver ify or obtain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and condition s, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ .
? 1983 fairchild semiconductor corporation www.fairchildsemi.com mm74hct14 ? rev. 1.4.2 11 mm74hct14 ? hex inverting schmitt trigger

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