pi74fct163240 3.3v 16-bit buffer/line driver 1 ps2051a 01/20/97 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 pi74fct163240 fast cmos 3.3v 16-bit octal buffer/line driver 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 product description pericom semiconductors pi74fct series of logic circuits are produced in the companys advanced 0.6 micron cmos technology, achieving industry leading speed grades. the pi74fct163240 is an inverting 16-bit buffer/line driver designed for applications driving high-capacitance loads and low impedance backplanes. this high-speed, low power device offers bus/backplane interface capability and a flow-through organization for ease of board layout. this device is designed with three-state controls to operate in a quad-nibble, dual-byte, or a single 16-bit word mode. product features ? advanced low power cmos operation ? can serve as a 5v to 3v translator ? excellent output drive capability: balanced drives (24 ma sink and source) compatible with lvc tm class of products. ? pin compatible with industry standard double-density pinouts ? low ground bounce outputs ? hysteresis on all inputs ? industrial operating temperature range: C40c to +85c ? inputs can be driven by 3.3v or 5v devices ? multiple center pin and distributed vcc/gnd pins minimizing switching noise ? packages available: C 48-pin 240 mil wide plastic tssop (a) C 48-pin 300 mil wide plastic ssop (v) ? device models available on request logic block diagram 1 oe 1 a 0 1 y 0 1 a 1 1 y 1 1 a 2 1 y 2 1 a 3 1 y 3 3 oe 3 a 0 3 y 0 3 a 1 3 y 1 3 a 2 3 y 2 3 a 3 3 y 3 2 oe 2 a 0 2 y 0 2 a 1 2 y 1 2 a 2 2 y 2 2 a 3 2 y 3 4 oe 4 a 0 4 y 0 4 a 1 4 y 1 4 a 2 4 y 2 4 a 3 4 y 3
pi74fct163240 3.3v 16-bit buffer/line driver 2 ps2051a 01/20/97 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 product pin description pin name description xoe 3-state output enable inputs (active low) xax inputs xyx 3-state outputs gnd ground v cc power inputs (1) outputs (1) x oe xax xyx ll h lh l hx z truth table note: 1. h = high voltage level, x = dont care, l = low voltage level, z = high impedance product pin configuration note: 1. this parameter is determined by device characterization but is not production tested. capacitance (t a = 25c, f = 1 mhz) parameters (1) description test conditions typ. max. units c in input capacitance v in = 0v 4.5 6 pf c out output capacitance v out = 0v 5.5 8 pf 48-pin v48 a48
pi74fct163240 3.3v 16-bit buffer/line driver 3 ps2051a 01/20/97 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dc electrical characteristics (over the operating range, t a = C40c to +85c, v cc = 2.7v to 3.6v) parameters description test conditions (1) min. typ. (2) max. units v ih input high voltage (input pins) guaranteed logic high level 2.2 5.5 v input high voltage (i/o pins) 2.0 vcc+0.5 v v il input low voltage guaranteed logic low level C0.5 0.8 v (input and i/o pins) i ih input high current (input pins) v cc = max. v in = 5.5v 1 a input high current (i/o pins) v cc = max. v in = v cc 1a i il input low current (input pins) v cc = max. v in = gnd 1 a input low current (i/o pins) v cc = max. v in = gnd 1 a i ozh high impedance output current v cc = max. v out = v cc 1a i ozl (3-state output pins) v cc = max. v out = gnd 1 a v ik clamp diode voltage v cc = min., i in = C18 ma C0.7 C1.2 v i odh output high current v cc = 3.3v, v in = v ih or v il , v o = 1.5v (3) C36 C60 C110 ma i odl output low current v cc = 3.3v, v in = v ih or v il , v o = 1.5v (3) 50 90 200 ma v oh output high voltage v cc = min. i oh = C0.1 ma vcc-0.2 v v in = v ih or v il i oh = C3 ma 2.4 3.0 v v cc = 3.0v, i oh = C8 ma 2.4 (5) 3.0 v v in = v ih or v il i oh = C24 ma 2.0 v v ol output low voltage v cc = min. i ol = 0.1 ma 0.2 v v in = v ih or v il i ol = 16 ma 0.2 0.4 v i ol = 24 ma 0.3 0.5 v i os short circuit current (4) v cc = max. (3) , v out = gnd C60 C85 C240 ma v h input hysteresis 150 mv storage temperature ............................................................. C65c to +150c ambient temperature with power applied ............................ C40c to +85c supply voltage to ground potential (inputs & vcc only) ...... C0.5v to +7.0v supply voltage to ground potential (outputs & d/o only) .. C0.5v to +7.0v dc input voltage .................................................................... C0.5v to +7.0v dc output current .............................................................................. 120 ma power dissipation .................................................................................... 1.0w note: stresses greater than those listed under maximum ratings may cause permanent damage to the de- vice. this is a stress rating only and functional opera- tion 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. notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device type . 2. typical values are at vcc = 3.3v, +25c ambient and maximum loading. 3. not more than one output should be shorted at one time. duration of the test should not exceed one second. 4. this parameter is guaranteed but not tested. 5. v oh = v cc C 0.6v at rated current. maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.)
pi74fct163240 3.3v 16-bit buffer/line driver 4 ps2051a 01/20/97 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 power supply characteristics parameters description test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v cc = max. v in = gnd or v cc 0.1 10 a d i cc quiescent power supply current v cc = max. v in = v cc C 0.6v (3) 2.0 30 a ttl inputs high i ccd dynamic power supply (4) v cc = max., v in = v cc 50 75 a/ outputs open v in = gnd mhz x oe = gnd one bit toggling 50% duty cycle i c total power supply v cc = max., v in = v cc C 0.6v 0.5 0.8 ma current (6) outputs open v in = gnd f i = 10 mh z 50% duty cycle x oe = gnd one bit toggling v cc = max., v in = v cc C 0.6v 2.0 3.3 (5) outputs open v in = gnd f i = 2.5 mh z 50% duty cycle x oe = gnd 16 bits toggling notes: 1. for max. or min. conditions, use appropriate value specified under electrical characteristics for the applicable device. 2. typical values are at vcc = 3.3v, +25c ambient. 3. per ttl driven input; all other inputs at vcc 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 icc 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 i ) i cc = quiescent current (i ccl , i cch and i ccz ) d i cc = power supply current for a ttl high input 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 f i = input frequency n i = number of inputs at f i all currents are in milliamps and all frequencies are in megahertz.
pi74fct163240 3.3v 16-bit buffer/line driver 5 ps2051a 01/20/97 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 switching characteristics over operating range (1) fct163240 fct163240a fct163240c com. com. com. parameters description conditions (2) min (3) max min (3) max min (3) max units t plh propagation delay c l = 50pf 1.5 8.0 1.5 4.8 1.5 4.3 ns t phl x a x to x y x r l = 500 w t pzh output enable time 1.5 10.0 1.5 6.2 1.5 5.8 ns t pzl xoe to xyx t phz output disable time (4) 1.5 9.5 1.5 5.6 1.5 5.2 ns t plz xoe to xyx t sk (o) output skew (5) 0.5 0.5 0.5 ns notes: 1. propagation delays and enable/disable times are with vcc = 3.3v 0.3v, normal range. for vcc = 2.7v, extended range, all propagation delays and enable/disable times should be degraded by 20%. 2. see test circuit and wave forms. 3. minimum limits are guaranteed but not tested on propagation delays. 4. this parameter is guaranteed but not production tested. 5. skew between any two outputs, of the same package, switching in the same direction. this parameter is guaranteed by design. pericom semiconductor corporation 2380 bering drive ? san jose, ca 95131 ? 1-800-435-2336 ? fax (408) 435-1100 ? http://www.pericom.com
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