military and industrial temperature ranges idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver 1 july 2002 idt54/74fct162245t/at/ct military and industrial temperature ranges fast cmos 16-bit bidirectional transceiver description: the fct162245t 16-bit transceiver is built using advanced dual metal cmos technology. these high-speed, low-power transceivers are ideal for synchronous communication between two buses (a and b). the direction and output enable controls operate these devices as either two independent 8-bit transceivers or one 16-bit transceiver. the direction control pin (xdir) controls the direction of data flow. the output enable pin (x oe ) overrides the direction control and disables both ports. all inputs are designed with hysteresis for improved noise margin. the fct162245t has balanced output drive with current limiting resistors. this offers low ground bounce, minimal undershoot, and controlled output fall times?reducing the need for external series terminating resistors. the fct162245t is a plug-in replacement for the fct16245t and abt16245 for on-board interface applications. 1 dir 1 oe 1 a 1 1 a 2 1 a 3 1 a 4 1 a 5 1 a 6 1 a 7 1 a 8 1 b 1 1 b 2 1 b 3 1 b 4 1 b 5 1 b 6 1 b 7 1 b 8 2 dir 2 oe 2 a 1 2 a 2 2 a 3 2 a 4 2 a 5 2 a 6 2 a 7 2 a 8 2 b 1 2 b 2 2 b 3 2 b 4 2 b 5 2 b 6 2 b 7 2 b 8 the idt logo is a registered trademark of integrated device technology, inc. ? 2002 integrated device technology, inc. dsc-5457/4 features: ? 0.5 micron cmos technology ? high-speed, low-power cmos replacement for abt functions ? typical t sk(o) (output skew) < 250ps ? low input and output leakage 1a (max.) ? esd > 2000v per mil-std-883, method 3015; > 200v using machine model (c = 200pf, r = 0) ? balanced output drivers: ? 24ma (industrial) ? 16ma (military) ? reduced system switching noise ? typical v olp (output ground bounce) < 0.6v at v cc = 5v, t a = 25c ? available in the following packages: ? industrial: ssop, tssop, tvsop ? military: cerpack functional block diagram
military and industrial temperature ranges 2 idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver ssop/ tssop/ tvsop/ cerpack top view pin configuration 1 dir 1 b 1 gnd 1 b 3 v cc gnd 2 b 2 gnd v cc gnd 1 b 2 1 b 4 1 b 5 1 b 6 1 b 7 1 b 8 2 b 1 2 b 3 2 b 4 2 b 5 2 b 7 2 b 8 2 b 6 2 dir 1 a 1 1 a 2 gnd 1 a 3 1 a 4 v cc 1 a 5 1 a 6 1 a 7 1 a 8 2 a 1 2 a 2 2 a 3 2 a 4 v cc 2 a 5 2 a 7 2 a 8 2 a 6 gnd gnd gnd 2 oe 1 oe 39 29 30 31 32 33 34 35 36 37 38 25 26 27 28 48 47 41 42 43 44 45 46 40 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 11 21 22 23 24 symbol description max unit v term (2) terminal voltage with respect to gnd ?0.5 to +7 v v term (3) terminal voltage with respect to gnd ?0.5 to v cc +0.5 v t stg storage temperature ?65 to +150 c i out dc output current ?60 to +120 ma absolute maximum ratings (1) (1) (1) (1) (1) notes: 1. 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 operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. all device terminals except fct162xxxt and fct166xxxt (a-port) output and i/o terminals. 3. output and i/o terminals terminals for fct162xxxt and fct166xxxt (a-port). symbol parameter (1) conditions typ. max. unit c in input capacitance v in = 0v 3.5 6 pf c out output capacitance v out = 0v 3.5 8 pf capacitance (t a = +25c, f = 1.0mhz) note: 1. this parameter is measured at characterization but not tested. pin names description x oe output enable inputs (active low) xdir direction control input x a x side a inputs or 3-state outputs x b x side b inputs or 3-state outputs pin description note: 1. h = high voltage level l = low voltage level x = don?t care z = high-impedance inputs x oe xdir outputs l l bus b data to bus a l h bus a data to bus b h x high z state function table (1)
military and industrial temperature ranges idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver 3 symbol parameter test conditions (1) min. typ. (2) max. unit v ih input high level guaranteed logic high level 2 ? ? v v il input low level guaranteed logic low level ? ? 0.8 v i ih input high current (input pins) (5) v cc = max. v i = v cc ?? 1a input high current (i/o pins) (5) ?? 1 i il input low current (input pins) (5) v i = gnd ? ? 1a input low current (i/o pins) (5) ?? 1 i ozh high impedance output current v cc = max. v o = 2.7v ? ? 1a i ozl (3-state output pins) (5) v o = 0.5v ? ? 1 v ik clamp diode voltage v cc = min., i in = ?18ma ? ?0.7 ?1.2 v i os short circuit current v cc = max., v o = gnd (3) ?80 ?140 ?250 ma v h input hysteresis ? ? 100 ? mv i ccl quiescent power supply current v cc = max. ? 5 500 a i cch v in = gnd or v cc i ccz dc electrical characteristics over operating range following conditions apply unless otherwise specified: industrial: t a = ?40c to +85c, v cc = 5.0v 10%; military: t a = ?55c to +125c, v cc = 5.0v 10% symbol parameter test conditions (1) min. typ. (2) max. unit i odl output low current v cc = 5v , v in = v ih or v il, v o = 1.5v (3) 60 115 200 ma i odh output high current v cc = 5v , v in = v ih or v il, v o = 1.5v (3) ?60 ?115 ?200 ma v oh output high voltage v cc = min i oh = ?16ma mil 2.4 3.3 ? v v in = v ih or v il i oh = ?24ma ind v ol output low voltage v cc = min i oh = 16ma mil ? 0.3 0.55 v v in = v ih or v il i oh = 24ma ind output drive characteristics notes: 1. for conditions shown as min. or max., use appropriate value specified under electrical characteristics for the applicable dev ice type. 2. typical values are at v cc = 5.0v, +25c ambient. 3. not more than one output should be tested at one time. duration of the test should not exceed one second. 4. duration of the condition can not exceed one second. 5. this test limit for this parameter is 5a at t a = ?55c.
military and industrial temperature ranges 4 idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver notes: 1. for conditions shown as min. or max., use appropriate value specified under electrical characteristics for the applicable dev ice type. 2. typical values are at v cc = 5.0v, +25c 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 + ? i cc d h n t + i ccd (f cp n cp /2 + fini) i cc = quiescent current (i ccl , i cch and i ccz ) ? 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) n cp = number of clock inputs at f cp fi = input frequency ni = number of inputs at fi symbol parameter test conditions (1) min. typ. (2) max. unit ? i cc quiescent power supply current v cc = max. ? 0.5 1.5 ma ttl inputs high v in = 3.4v (3) i ccd dynamic power supply v cc = max. v in = v cc ? 60 100 a/ current (4) outputs open v in = gnd mhz x oe = xdir = gnd one input toggling 50% duty cycle i c total power supply current (6) v cc = max. v in = v cc ? 0.6 1.5 ma outputs open v in = gnd fi = 10mhz 50% duty cycle v in = 3.4v ? 0.9 2.3 x oe = xdir = gnd v in = gnd one bits togging v cc = max. v in = v cc ? 2.4 4.5 (5) outputs open v in = gnd fi = 2.5mhz 50% duty cycle v in = 3.4v ? 6.4 16.5 (5 x oe = xdir = gnd v in = gnd sixteen bits togging power supply characteristics 54fct162445t 54/74fct162245at 54/74fct162245ct mil. ind. mil. ind. mil. symbol parameter condition (1) min. (2) max. min. (2) max. min. (2) max. min. (2) max. min. (2) max. unit t plh propagation delay c l = 50pf 1.5 7.5 1.5 4.6 1.5 4.9 1.5 3.5 1.5 4.5 ns t phl a to b, b to a r l = 500 ? t pzh output enable time 1.5 10 1.5 6.2 1.5 6.5 1.5 4.4 1.5 6.2 ns t pzl x oe to a or b t phz output disable time 1.5 10 1.5 5 1.5 6 1.5 4 1.5 5.2 ns t plz x oe to a or b t pzh output enable time 1.5 10 1.5 6.2 1.5 6.5 1.5 4.8 1.5 6.2 ns t pzl xdir to a or b (4) t phz output disable time 1.5 10 1.5 5 1.5 6 1.5 4 1.5 5.2 ns t plz xdir to a or b (4) t sk(o) output skew (3) ? 0.5 ? 0.5 ? 0.5 ? 0.5 ? 0.5 ns switching characteristics over operating range notes: 1. see test circuit and waveforms. 2. minimum limits are guaranteed but not tested on propagation delays. 3. skew between any two outputs of the same package switching in the same direction. this parameter is guaranteed by design. 4. this parameter is guaranteed but not tested.
military and industrial temperature ranges idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver 5 pulse generator r t d.u.t. v cc v in c l v out 50pf 500 ? 500 ? 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 preset clear clock enable etc. 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 test circuits and waveforms propagation delay test circuits for all waveforms enable and disable times set-up, hold, and release times pulse width test switch open drain disable low closed enable low all other tests open switch position definitions: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator. 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.
military and industrial temperature ranges 6 idt54/74fct162245t/at/ct fast cmos 16-bit bidirectional transceiver ordering information idt xx temp. range xxxx device type xx package x process pv pvg pa pf industrial options shrink small outline package ssop - green thin shrink small outline package thin very small outline package 16-bit buffer/line driver 54 74 ? 55 c to +125 c ? 40 c to +85 c 162 double-density, 5 volt, balanced drive e military options cerpack blank b industrial mil-std-883, class b fct xxx family 245t 245at 245ct corporate headquarters for sales: for tech support: 2975 stender way 800-345-7015 or 408-727-6116 logichelp@idt.com santa clara, ca 95054 fax: 408-492-8674 (408) 654-6459 www.idt.com 3/26/2002 removed standard speed grade 6/26/2002 updated as per pdns logic-00-07 and logic-01-04 data sheet document history
|
