output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 1 AS161 rev. 0.1 6/03 general description the AS161 is a very high speed differential input, complementary ttl output voltage comparator with improved characteristics over similar devices for which it is a pin-for-pin replacement. the device has been optimized for greater speed performance and lower input offset voltage. typically delay varies only 3 ns for over-drive variations of 5 mv to 500 mv. it may be operated from op amp supplies (15v). complementary outputs having maximum skew are provided. applications involve high speed analog to digital converters and zero-crossing detectors in disk file systems. features ? independent strobes ? high speed: 20ns max ? tight delay matching on both outputs ? complementary ttl outputs ? operates from op amp supplies: 15v ? low speed variation with overdrive variation ? low input offset voltage ? versatile supply voltage range options markings ? packages 14 pins ceramic dip c014 14 pins ceramic flatpack f014 10 lead metal can t010 available as military specifications ? mil-std-883, paragraph 1.2.2 compliant pin assignment (top view) high speed differential comparator for more products and information please visit our web site at www.austinsemiconductor.com 14 pin ceramic dip (c014) 14 pin flatpack (f014) 10 lead metal can (t010) logic diagram *output is low when current is drawn from strobe pin.
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 2 AS161 rev. 0.1 6/03 *stresses greater than those listed under "absolute maximum ratings" may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. absolute maximum ratings* supply voltage, v+ ..............................................................5v to 15v supply voltage, v-............................................................-6v to -15v supply voltage, v cc ........................................................4.5v to 5.5v output voltage..............................................................................+7.0v differential input voltage...............................................................5v input common mode voltage........................................................6v operating temperature range, ..................................-55c to 125c storage temperature range........................................-65c to 150c lead temperature (soldering, 10 sec.).....................................260c electrical characteristics (v+ = +10v; v cc = +5v, v- = -10v, t min < t a < t max , unless otherwise specified) parameters conditions min typ max units input offset voltage 13mv input bias current t a = 25c 520a input offset current t a = 25c 23a voltage gain t a = 25c 3v/mv input resistance t a = 25c, f = 1khz 20 k ? logical "1" output voltage v cc = 4.75v, i source = -0.5ma 2.4 3.3 v logical "0" output voltage v cc = 4.75v, i sink = 6.4ma 0.4 v strobe input "1" current (output enabled) v cc = 5.25v, i strobe = 2.4ma 200 a strobe input "0" current (output disabled) v cc = 5.25v, i strobe = 0.4ma -1.6 ma strobe input "0" voltage v cc = 4.75v 0.8 v strobe input "1" voltage v cc = 4.75v 2v output short circuit current v cc = 5.25v, v out = 0v -18 -55 ma supply current i + v+ = 10v, v- = -10v, v cc = 5.25v, -55c< t a < 125c 4.5 ma supply current i - v+ = 10v, v- = -10v, v cc = 5.25v, -55c< t a < 125c 10 ma supply current i cc v+ = 10v, v- = -10v, v cc = 5.25v, -55c< t a < 125c 18 ma transient response v in = 50mv overdrive 1 propagation delay time (t pd(0) )t a = 25c 14 20 ns propagation delay time (t pd(1) )t a = 25c 14 20 ns delay between output a and b t a = 25c 25ns strobe delay time (t pd(0) )t a = 25c 8ns strobe delay time (t pd(1) )t a = 25c 8ns notes: 1. measurements using ac test circuit, fanout = 1. the devices are faster at low supply voltages.
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 3 AS161 rev. 0.1 6/03 typical performance characteristics
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 4 AS161 rev. 0.1 6/03 ac test circuit v in = 50mv f anout = 1 fanout = 4 v + = +10v r = 2.4k r = 680 ?
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 5 AS161 rev. 0.1 6/03 package designator c014 mechanical definitions* *all measurements are in inches. min max a --- 0.200 b 0.014 0.026 b2 0.045 0.065 c 0.008 0.018 d --- 0.785 e 0.220 0.310 e ea l 0.125 0.200 q 0.015 0.060 s1 0.005 --- s2 0.005 --- symbol asi specifications 0.100 bcs 0.300 bsc
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 6 AS161 rev. 0.1 6/03 package designator f014 mechanical definitions* *all measurements are in inches. min max a 0.045 0.085 b 0.010 0.022 c 0.004 0.009 d --- 0.390 e 0.235 0.260 e1 --- 0.280 e2 0.125 --- e3 0.030 --- e l 0.250 0.370 q 0.026 0.045 s1 0.005 --- 0.050 bsc symbol asi specifications
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 7 AS161 rev. 0.1 6/03 package designator t010 mechanical definitions* *all measurements are in inches. min max a 0.165 0.185 b 0.016 0.019 d 0.335 0.375 d1 0.305 0.335 d2 0.110 0.160 e e1 f --- 0.040 k 0.027 0.034 k1 0.027 0.045 l 0.500 0.750 q 0.010 0.045 symbol asi specifications 0.230 bsc 0.115 bsc 36 bsc
output output output output output v v v v v ol ol ol ol ol t t t t t a a a a a ge ge ge ge ge comp comp comp comp comp ara ara ara ara ara t t t t t or or or or or AS161 austin semiconductor, inc. austin semiconductor, inc. reserves the right to change products or specifications without notice. 8 AS161 rev. 0.1 6/03 *available processes it = industrial temperature range -40 o c to +85 o c xt = extended temperature range -55 o c to +125 o c mil = /883 equivalent processing compliant to paragraph 1.2.2 -55 o c to +125 o c ordering information example: AS161c014/mil device number package type process AS161 c014 /* example: AS161f014/mil device number package type process AS161 f014 /* example: AS161t010/mil device number package type process AS161 t010 /*
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