? 2001 fairchild semiconductor corporation ds012171 www.fairchildsemi.com october 1996 revised january 2001 nc7sz126 tinylogic ? uhs buffer with 3-state output nc7sz126 tinylogic ? uhs buffer with 3-state output general description the nc7sz126 is a single buffer with 3-state output from fairchild?s ultra high speed series of tinylogic ? . the device is fabricated with advanced cmos technology to achieve ultra high speed with high output drive while main- taining low static power dissipation over a very broad v cc operating range. the device is specified to operate over the 1.65v to 5.5v range. the inputs and output are high impedance above ground when v cc is 0v. inputs tolerate voltages up to 6v independent of v cc operating voltage. the output tolerates voltages above v cc in the 3-state condition. features space saving sot23 or sc70 5-lead package ultra high speed; t pd 2.6 ns typ into 50 pf at 5v v cc high output drive; 24 ma at 3v v cc broad v cc operating range; 1.65v to 5.5v matches the performance of lcx when operated at 3.3v v cc power down high impedance inputs/output overvoltage tolerant inputs facilitate 5v to 3v translation patented noise/emi reduction circuitry implemented ordering code: logic symbol connection diagram (top view) pin descriptions function table h = high logic level l = low logic level x = high or low logic level z = high impedance state tinylogic ? is a trademark of fairchild semiconductor corporation. order package product code package description supplied as number number top mark nc7sz126m5 ma05b 7z26 5-lead sot23, jedec mo-178, 1.6mm 250 units on tape and reel nc7sz126m5x ma05b 7z26 5-lead sot23, jedec mo-178, 1.6mm 3k units on tape and reel nc7sz126p5 maa05a z26 5-lead sc70, eiaj sc-88a, 1.25mm wide 250 units on tape and reel nc7sz126p5x maa05a z26 5-lead sc70, eiaj sc-88a, 1.25mm wide 3k units on tape and reel pin names description a, oe inputs y output inputs output oe a out y hll hhh lxz
www.fairchildsemi.com 2 nc7sz126 absolute maximum ratings (note 1) recommended operating conditions (note 2) note 1: absolute maximum ratings are dc values beyond which the device may be damaged or have its useful life impaired. the datasheet specifica- tions should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading vari- ables. fairchild does not recommend operation outside datasheet specifi- cations. note 2: unused inputs must be held high or low. they may not float. dc electrical characteristics supply voltage (v cc ) ? 0.5v to + 6v dc input voltage (v in ) ? 0.5v to + 6v dc output voltage (v out ) ? 0.5v to + 6v dc input diode current (i ik ) @v in < ? 0.5v ? 50 ma @ v in > 6v + 20 ma dc output diode current (i ok ) @v out < ? 0.5v ? 50 ma @ v out > 6v, v cc = gnd + 20 ma dc output current (i out ) 50 ma dc v cc /gnd current (i cc /i gnd ) 50 ma storage temperature (t stg ) ? 65 c to + 150 c junction temperature under bias (t j ) 150 c junction lead temperature (t l ); (soldering, 10 seconds) 260 c power dissipation (p d ) @ + 85 c sot23-5 200 mw sc70-5 150 mw supply voltage operating (v cc ) 1.65v to 5.5v supply voltage data retention (v cc ) 1.5v to 5.5v input voltage (v in )0v to 5.5v output voltage (v out ) active state 0v to v cc 3-state 0v to 5.5v operating temperature (t a ) ? 40 c to + 85 c input rise and fall time (t r , t f ) v cc = 1.8v, 2.5v 0.2v 0 ns/v to 20 ns/v v cc = 3.3v 0.3v 0 ns/v to 10 ns/v v cc = 5.0v 0.5v 0 ns/v to 5 ns/v thermal resistance ( ja ) sot23-5 300 c/w sc70-5 425 c/w symbol parameter v cc t a = + 25 ct a = ? 40 c to + 85 c unit conditions (v) min typ max min max v ih high level input voltage 1.65 to 1.95 0.75 v cc 0.75 v cc v . 2.3 to 5.5 0.7 v cc 0.7 v cc v il low level input voltage 1.65 to 1.95 0.25 v cc 0.25 v cc v 2.3 to 5.5 0.3 v cc 0.3 v cc v oh high level output voltage 1.65 1.55 1.65 1.55 vv in = v ih i oh = ? 100 a 1.8 1.7 1.8 1.7 2.3 2.2 2.3 2.2 3.0 2.9 3.0 2.9 4.5 4.4 4.5 4.4 1.65 1.29 1.52 1.29 v i oh = ? 4 ma 2.3 1.9 2.15 1.9 i oh = ? 8 ma 3.0 2.4 2.80 2.4 i oh = ? 16 ma 3.0 2.3 2.68 2.3 i oh = ? 24 ma 4.5 3.8 4.20 3.8 i oh = ? 32 ma v ol low level 1.65 0.0 0.1 0.1 vv in = v il i ol = 100 a output voltage 1.8 0.0 0.1 0.1 2.3 0.0 0.1 0.1 3.0 0.0 0.1 0.1 4.5 0.0 0.1 0.1 1.65 0.08 0.24 0.24 v i ol = 4 ma 2.3 0.10 0.3 0.3 i ol = 8 ma 3.0 0.15 0.4 0.4 i ol = 16 ma 3.0 0.22 0.55 0.55 i ol = 24 ma 4.5 0.22 0.55 0.55 i ol = 32 ma i in input leakage current 0 to 5.5 1 10 av in = 5.5v, gnd i oz 3-state 0 to 5.5 1 10 a v in = v ih or v il output leakage v o = v cc or gnd i off power off leakage current 0.0 1 10 av in or v out = 5.5v i cc quiescent supply current 1.65 to 5.5 2.0 20 av in = 5.5v, gnd
3 www.fairchildsemi.com nc7sz126 ac electrical characteristics note 3: c pd is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (i ccd ) at no output loading and operating at 50% duty cycle. (see figure 2.) c pd is related to i ccd dynamic operating current by the expression: i ccd = (cpd) (v cc ) (f in ) + (i cc static). ac loading and waveforms c l includes load and stray capacitance input prr = 1.0 mhz, t w = 500 ns figure 1. ac test circuit input = ac waveform; t r = t f = 1.8 ns; prr = 10 mhz; duty cycle = 50% figure 2. i ccd test circuit figure 3. ac waveforms symbol parameter v cc t a = + 25 ct a = ? 40 c to + 85 c units conditions fig. no. (v) min typ max min max t plh propagation delay 1.65 2.0 6.4 13.2 2.0 13.8 ns figures 1, 3 t phl 1.8 2 5.3 11 2 11.5 2.5 0.2 0.8 3.4 7.5 0.8 8.0 c l = 15 pf, rd = 1 m ? 3.3 0.3 0.5 2.5 5.2 0.5 5.5 s 1 = open 5.0 0.5 0.5 2.1 4.5 0.5 4.8 t plh propagation delay 3.3 0.3 1.5 3.2 5.7 1.5 6.0 ns c l = 50 pf, rd = 500 ? figures 1, 3 t phl 5.0 0.5 0.8 2.6 5.0 0.8 5.3 s 1 = open t pzl output enable time 1.65 2.0 8.4 15.0 2.0 15.6 ns c l = 50 pf, rd = 500 ? , figures 1, 3 t pzh 1.8 2.0 6.1 11.5 2 12 ru = 500 ? 2.5 0.2 1.5 3.8 8.0 1.5 8.5 s 1 = gnd for t pzh 3.3 0.3 1.5 3.2 5.7 1.5 6.0 s 1 = v i for t pzl 5.0 0.5 0.8 2.3 5.0 0.8 5.3 v i = 2 v cc t plz output disable time 1.65 2.0 6.5 13.2 2.0 14.5 ns c l = 50 pf, rd = 500 ? , figures 1, 3 t phz 1.8 2.0 5.6 11 2.0 12 ru = 500 ? 2.5 0.2 1.0 4.0 8.0 1.0 8.5 s 1 = gnd for t phz 3.3 0.3 1.0 3.5 5.7 1.0 6.0 s 1 = v i for t plz 5.0 0.5 0.5 2.5 4.7 0.5 5.0 v i = 2 v cc c in input capacitance 0 4 pf c out output capacitance 0 8 c pd power dissipation 3.3 17 pf (note 3) figure 2 capacitance 5.0 24
www.fairchildsemi.com 4 nc7sz126 tape and reel specification tape format tape dimensions inches (millimeters) package tape number cavity cover tape designator section cavities status status leader (start end) 125 (typ) empty sealed m5, p5 carrier 250 filled sealed trailer (hub end) 75 (typ) empty sealed leader (start end) 125 (typ) empty sealed m5x, p5x carrier 3000 filled sealed trailer (hub end) 75 (typ) empty sealed package tape size dim a dim b dim f dim k o dim p1 dim w sc70-5 8 mm 0.093 0.096 0.138 0.004 0.053 0.004 0.157 0.315 0.004 (2.35) (2.45) (3.5 0.10) (1.35 0.10) (4) (8 0.1) sot23-5 8 mm 0.130 0.130 0.138 0.002 0.055 0.004 0.157 0.315 0.012 (3.3) (3.3) (3.5 0.05) (1.4 0.11) (4) (8 0.3)
5 www.fairchildsemi.com nc7sz126 tape and reel specification (continued) reel dimensions inches (millimeters) tape size abcdn w1 w2 w3 8 mm 7.0 0.059 0.512 0.795 2.165 0.331 + 0.059/ ? 0.000 0.567 w1 + 0.078/ ? 0.039 (177.8) (1.50) (13.00) (20.20) (55.00) (8.40 + 1.50/ ? 0.00) (14.40) (w1 + 2.00/ ? 1.00)
www.fairchildsemi.com 6 nc7sz126 physical dimensions inches (millimeters) unless otherwise noted 5-lead sot23, jedec mo-178, 1.6mm package number ma05b
7 www.fairchildsemi.com nc7sz126 tinylogic ? uhs buffer with 3-state output physical dimensions inches (millimeters) unless otherwise noted (continued) 5-lead sc70, eiaj sc-88a, 1.25mm wide package number maa05a fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and fairchild reserves the right at any time without notice to change said circuitry and specifications. life support policy fairchild ? s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be rea- sonably expected to result in a significant injury to the user. 2. a critical component in any component of a life support device or system whose failure to perform can be rea- sonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com
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