integrated device technology, inc. military and commercial temperature ranges september 1996 1997 integrated device technology, inc. 6.5 dsc-2635/5 idt54/74fct151t/at/ct fast cmos 8-input multiplexer description: the idt54/74fct151t/at/ct are high-speed 8-input mul- tiplexers built using an advanced dual metal cmos technol- ogy. they select one bit of data from up to eight sources under the control of three select inputs. both assertion and negation outputs are provided. the idt54/74fct151t/at/ct has a common active-low enable ( e ) input. when e is low, data from one of eight inputs is routed to the complementary outputs according to the 3-bit code applied to the select (s 0 -s 2 ) inputs. a common appli- cation of the fct151 is data routing from one of eight sources. 1 features: ? std., a, and c speed grades ? low input and output leakage 1 m a (max.) ? extended commercial range of C40 c to +85 c ? cmos power levels ? true ttl input and output compatibility C v oh = 3.3v (typ.) C v ol = 0.3v (typ.) ? high drive outputs (-15ma i oh , 48ma i ol ) ? power off disable outputs permit live insertion ? meets or exceeds jedec standard 18 specifications ? product available in radiation tolerant and radiation enhanced versions ? military product compliant to mil-std-883, class b and desc listed (dual marked) ? available in dip, soic, cerpack and lcc packages the idt logo is a registered trademark of integrated device technology, inc. i 7 z z s 2 s 1 s 0 e i 6 i 5 i 4 i 3 i 2 i 1 i 0 2635 drw 01 functional block diagram
6.5 2 idt54/74fct151t/at/ct fast cmos 8-input multiplexer military and commercial temperature ranges pin configurations absolute maximum ratings (1) pin description 2635 tbl 03 function table (1) note: 2635 tbl 04 1. h = high voltage level, l = low voltage level, x = don? care, z = high impedance. 2635 drw 02 i 4 i 2 i 1 i 0 z z e gnd i 5 i 6 i 7 s 0 s 2 s 1 v cc 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 dip/soic/cerpack top view p16-1 d16-1 so16-1 & e16-1 i 3 index i 1 i 0 nc z i 5 i 6 nc i 7 s 0 i 3 i 2 nc v cc i 4 e gnd nc s 2 s 1 lcc top view 3 2 20 19 1 4 5 6 7 8 18 17 16 15 14 9 10111213 l20-2 z 2635 drw 03 pin names description i 0 - i 7 data inputs s 0 - s 2 selects inputs e enable input (active low) z data output z inverted data output inputs outputs s 2 s 1 s 0 e z z x l l l l h h h h x l l h h l l h h x l h l h l h l h h l l l l l l l l l i 0 i 1 i 2 i 3 i 4 i 5 i 6 i 7 h i 0 i 1 i 2 i 3 i 4 i 5 i 6 i 7 symbol description max. unit v term (2) terminal voltage with respect to gnd C0.5 to +7.0 v v term (3) terminal voltage with respect to gnd C0.5 to v cc +0.5 v t stg storage temperature C65 to +150 c i out dc output current C60 to +120 ma notes: 1. stresses greater than those listed under absolute maximum rat- ings 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 operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. no terminal voltage may exceed v cc by +0.5v unless otherwise noted. 2. input and v cc terminals only. 3. outputs and i/o terminals only. 2635 lnk 01 capacitance (t a = +25 c, f = 1.0mhz) symbol parameter (1) conditions typ. max. unit c in input capacitance v in = 0v 6 10 pf c out output capacitance v out = 0v 8 12 pf note: 1. this parameter is measured at characterization but not tested. 2635 lnk 02
idt54/74fct151t/at/ct fast cmos 8-input multiplexer military and commercial temperature ranges 6.5 3 dc electrical characteristics over operating range following conditions apply unless otherwise specified: commercial: t a = C40 c to +85 c, v cc = 5.0v 5%; military: t a = C55 c to +125 c, v cc = 5.0v 10% symbol parameter test conditions (1) min. typ. (2) max. unit v ih input high level guaranteed logic high level 2.0 v v il input low level guaranteed logic low level 0.8 v i i h input high current (4) v cc = max. v i = 2.7v 1 m a i i l input low current (4) v cc = max. v i = 0.5v 1 m a i ozh high impedance output current (4) v cc = max. v o = 2.7v 1 m a i ozl v o = 0.5v 1 i i input high current (4) v cc = max., v i = v cc (max.) 20 m a v ik clamp diode voltage v cc = min., i n = C18ma C0.7 C1.2 v i os short circuit current v cc = max. (3) , v o = gnd C60 C120 C225 ma v oh output high voltage v cc = min. i oh = C6ma mil. 2.4 3.3 v v in = v ih or v il i oh = C8ma com'l. i oh = C12ma mil. 2.0 3.0 v i oh = C15ma com'l. v ol output low voltage v cc = min. i ol = 32ma mil. 0.3 0.5 v v in = v ih or v il i ol = 48ma com'l. v h input hysteresis 200 mv i cc quiescent power supply current v cc = max. v in = gnd or v cc 0.01 1 ma notes: 2635 tbl 05 1. for conditions shown as max. or min., use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at v cc = 5.0v, +25 c ambient and maximum loading. 3. not more than one output should be shorted at one time. duration of the short circuit test should not exceed one second. 4. the test limit for this parameter is 5 m a at t a = -55 c.
6.5 4 idt54/74fct151t/at/ct fast cmos 8-input multiplexer military and commercial temperature ranges power supply characteristics notes: 1. for conditions shown as max. or min., use appropriate value specified under electrical characteristics for the applicable device type. 2. typical values are at v cc = 5.0v, +25 c ambient. 3. per ttl driven input (v in = 3.4v). all other inputs at v cc or gnd. 4. this parameter is not directly testable, but is derived for use in total power supply calculations. 5. values for these conditions are examples of the i cc formula. these limits are guaranteed but not tested. 6. i c = i quiescent + i inputs + i dynamic i c = i cc + d i cc d h n t + i ccd (f cp/ 2 + f i n o ) i cc = quiescent current d i cc = power supply current for a ttl high input (v in = 3.4v) d h = duty cycle for ttl inputs high n t = number of ttl inputs at d h i ccd = dynamic current caused by an input transition pair (hlh or lhl) f cp = clock frequency for register devices (zero for non-register devices) f i = input frequency n o = number of inputs at f i all currents are in milliamps and all frequencies are in megahertz. switching characteristics over operating range notes: 2635 tbl 07 1. see test circuit and waveforms. 2. minimum limits are guaranteed but not tested on propagation delays. 2635 tbl 06 symbol parameter test conditions (1) min. typ. (2) max. unit d i cc quiescentpower supply current ttl inputs high v cc = max. v in = 3.4v (3) 0.5 2.0 ma i ccd dynamic power supply current (4) v cc = max. outputs open e or oe = gnd one bit toggling 50% duty cycle v in = v cc v in = gnd 0.15 0.25 ma/ mhz i c total power supply current (5) v cc = max. outputs open fi = 10mhz v in = v cc v in = gnd 3.2 6.5 ma 50% duty cycle e or oe = gnd one input toggling v in = 3.4v v in = gnd 3.5 7.5 idt54/74fct151t idt54/74FCT151AT idt54/74fct151ct com'l. mil. com'l. mil. com'l. mil. symbol parameter condition (1) min. (2) max. min. (2) max. min. (2) max. min. (2) max. min. (2) max. min. (2) max. unit t plh t phl p ropagation delay s n to z c l = 50pf r l = 500 w 1.5 9.0 1.5 10.0 1.5 6.6 1.5 7.4 1.5 5.6 1.5 6.2 ns t plh t phl p ropagation delay s n to z 1.5 10.5 1.5 11.5 1.5 6.8 1.5 7.6 1.5 5.8 1.5 6.5 ns t plh t phl p ropagation delay e to z 1.5 7.0 1.5 7.5 1.5 5.6 1.5 6.3 1.5 4.8 1.5 5.4 ns t plh t phl p ropagation delay e to z 1.5 9.5 1.5 11.0 1.5 5.8 1.5 6.6 1.5 5.0 1.5 5.7 ns t plh t phl p ropagation delay i n to z 1.5 6.5 1.5 7.5 1.5 5.2 1.5 5.8 1.5 4.4 1.5 4.9 ns t plh t phl p ropagation delay i n to z 1.5 7.5 1.5 9.0 1.5 5.5 1.5 6.1 1.5 4.7 1.5 5.2 ns
idt54/74fct151t/at/ct fast cmos 8-input multiplexer military and commercial temperature ranges 6.5 5 test circuits and waveforms test circuits for all outputs enable and disable times propagation delay set-up, hold and release times pulse width switch position pulse generator r t d.u.t. v cc v in c l v out 50pf 500 w 500 w 7.0v 3v 1.5v 0v 3v 1.5v 0v 3v 1.5v 0v 3v 1.5v 0v data input timing input asynchronous control preset clear etc. synchronous control t su t h t rem t su t h high-low-high pulse low-high-low pulse t w 1.5v 1.5v same phase input transition 3v 1.5v 0v 1.5v v oh t plh output opposite phase input transition 3v 1.5v 0v t plh t phl t phl v ol control input 3v 1.5v 0v 3.5v 0v output normally low output normally high switch closed switch open v ol 0.3v 0.3v t plz t pzl t pzh t phz 3.5v 0v 1.5v 1.5v enable disable v oh preset clear clock enable etc. test switch disable low enable low closed all other tests open open drain definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. 2635 drw 04 2635 drw 05 2635 drw 06 2635 drw 07 2635 drw 08 notes: 1. diagram shown for input control enable-low and input control disable- high 2. pulse generator for all pulses: rate 1.0mhz; t f 2.5ns; t r 2.5ns 2635 lnk 08
6.5 6 idt54/74fct151t/at/ct fast cmos 8-input multiplexer military and commercial temperature ranges ordering information idt xx fct xxxx device type x package x process blank b p d so l e 151t 151at 151ct commercial mil-std-883, class b plastic dip cerdip small outline ic leadless chip carrier cerpack 8-input multiplexer 54 74 C55 c to +125 c C40 c to +85 c temp. range 2635 drw 09 blank high drive x family
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