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74abt16541 74abth16541 16-bit buffer/line driver (3-state) product specification supersedes data of 1995 sep 18 ic23 data handbook 1998 feb 25 integrated circuits
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 2 1998 feb 25 853-1807 19018 features ? power-up 3-state ? multiple v cc and gnd pins minimize switching noise ? provides ideal interface and increases fan-out of mos microprocessors ? 3-state buffers sink 64ma and source 32ma ? 74abth16541 incorporates bus-hold data inputs which eliminate the need for external pull-up resistors to hold unused inputs ? latch-up protection exceeds 500ma per jedec std 17 ? esd protection exceeds 2000 v per mil std 883 method 3015 and 200 v per machine model ? two 8-bit bus interfaces ? bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs description the 74abt16541 high-performance bicmos device combines low static and dynamic power dissipation with high speed and high output drive. the 74abt16541 has two octal buffers that are ideal for driving bus lines. the outputs are all capable of sinking 64ma and sourcing 32ma. two options are available, 74abt16541 which does not have the bus-hold feature and 74abth16541 which incorporates the bus-hold feature. quick reference data symbol parameter conditions t amb = 25 c; gnd = 0v typical unit t plh t phl propagation delay nax to nyx c l = 50pf; v cc = 5v 2.0 1.5 ns c in input capacitance v i = 0v or v cc 4 pf c out output capacitance v o = 0v or v cc ; 3-state 6 pf i ccz quiescent su pp ly current outputs disabled; v cc =5.5v 500 m a i ccl q u iescent s u ppl y c u rrent outputs low; v cc = 5.5v 8 ma ordering information packages temperature range outside north america north america dwg number 48-pin plastic ssop type iii 40 c to +85 c 74abt16541 dl bt16541 dl sot370-1 48-pin plastic tssop type ii 40 c to +85 c 74abt16541 dgg bt16541 dgg sot362-1 48-pin plastic ssop type iii 40 c to +85 c 74abth16541 dl bh16541 dl sot370-1 48-pin plastic tssop type ii 40 c to +85 c 74abth16541 dgg bh16541 dgg sot362-1 pin description pin number symbol name and function 47, 46, 44, 43, 41, 40, 38, 37, 36, 35, 33, 32, 30, 29, 27, 26 1a0 - 1a7 2a0 - 2a7 data inputs 2, 3, 5, 6, 8, 9, 11, 12, 13, 14, 16, 17 19, 20, 22, 23 1y0 - 1y7, 2y0 - 2y7 data outputs 1, 48 24, 25 1oe 0, 1oe 1, 2oe 0, 2oe 1 output enables 4, 10, 15, 21 28, 34, 39, 45 gnd ground (0v) 7, 18, 31, 42 v cc positive supply voltage
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 3 logic symbol sa00069 1 48 47 46 44 43 41 40 38 37 2 3 5 6 8 9 11 12 24 25 36 35 33 32 30 29 27 26 13 14 16 17 19 20 22 23 1oe 0 1oe 1 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 1y0 1y1 1y2 1y3 1y4 1y5 1y6 1y7 2oe 0 2oe 1 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 2y0 2y1 2y2 2y3 2y4 2y5 2y6 2y7 pin configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1oe 0 1y0 1y1 gnd 1y2 1y3 1y4 1y5 gnd 1y6 1y7 2y0 2y1 gnd 2y3 v cc 2y4 v cc 2y2 2y5 gnd 2y7 2oe 0 2y6 1oe 1 1a0 1a1 gnd 1a2 1a3 1a4 1a5 gnd 1a6 1a7 2a0 2a1 gnd 2a3 v cc 2a4 v cc 2a2 2a5 gnd 2a7 2oe 1 2a6 sa00068 logic symbol (ieee/iec) en1 1 ? en2 1 2 ? 1 sa00070 1 48 24 25 47 46 44 43 41 40 38 37 36 35 33 32 30 29 27 26 2 3 5 6 8 9 11 12 13 14 16 17 19 20 22 23 & & 1oe 0 1oe 1 2oe 0 2oe 1 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 1y0 1y1 1y2 1y3 1y4 1y5 1y6 1y7 2y0 2y1 2y2 2y3 2y4 2y5 2y6 2y7 function table inputs outputs noe 0 noe 1 nix nyx l l l l l l h h x h x z h x x z h = high voltage level l = low voltage level x = d0n't care z = high impedance aoffo state
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 4 absolute maximum ratings 1, 2 symbol parameter conditions rating unit v cc dc supply voltage 0.5 to +7.0 v i ik dc input diode current v i < 0 -18 ma v i dc input voltage 3 1.2 to +7.0 v i ok dc output diode current v o < 0 50 ma v out dc output voltage 3 output in off or high state 0.5 to +5.5 v i out dc output current output in low state 128 ma t stg storage temperature range 65 to 150 c notes: 1. stresses beyond those listed may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under arecommended operating conditionso is not implied. exposur e to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. the performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create ju nction temperatures which are detrimental to reliability. the maximum junction temperature of this integrated circuit should not excee d 150 c. 3. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. recommended operating conditions symbol parameter limits unit symbol parameter min max unit v cc dc supply voltage 4.5 5.5 v v i input voltage 0 v cc v v ih high-level input voltage 2.0 v v il low-level input voltage 0.8 v i oh high-level output current 32 ma i ol low-level output current 64 ma d t/ d v input transition rise or fall rate 0 10 ns/v t amb operating free-air temperature range 40 +85 c
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 5 dc electrical characteristics limits symbol parameter test conditions t amb = +25 c t amb = 40 c to +85 c unit min typ max min max v ik input clamp voltage v cc = 4.5v; i ik = 18ma 0.9 1.2 1.2 v v cc = 4.5v; i oh = 3ma; v i = v il or v ih 2.5 2.9 2.5 v v oh high-level output voltage v cc = 5.0v; i oh = 3ma; v i = v il or v ih 3.0 3.4 3.0 v v cc = 4.5v; i oh = 32ma; v i = v il or v ih 2.0 2.4 2.0 v v ol low-level output voltage v cc = 4.5v; i ol = 64ma; v i = v il or v ih 0.42 0.55 0.55 v i i input leakage current v cc = 5.5v; v i = gnd or 5.5v 0.01 1.0 1.0 m a i in p ut leakage current v cc = 5.5v; v i = v cc or gnd control pins 0.01 1 1 m a i i in ut leakage current 74abth16541 v cc = 5.5v; v i = v cc data p ins 0.01 1 1 m a v cc = 5.5v; v i = 0 data ins 2 3 5 m a bus hold current a inputs 3 v cc = 4.5v; v i = 0.8v 50 50 i hold b us h o ld curren t a i npu t s 3 74abth16541 v cc = 4.5v; v i = 2.0v 75 75 m a 74abth16541 v cc = 5.5v; v i = 0 to 5.5v 500 i off power-off leakage current v cc = 0.0v; v o or v i 4.5v 5.0 100 100 m a i pu /i pd power-up/down 3-state output current v cc = 2.0v; v o = 0.5v; v i = gnd or v cc ; v oe = v cc 5.0 50 50 m a i ozh 3-state output high current v cc = 5.5v; v o = 2.7v; v i = v il or v ih 1.0 10 10 m a i ozl 3-state output low current v cc = 5.5v; v o = 0.5v; v i = v il or v ih 1.0 10 10 m a i cex output high leakage current v cc = 5.5v; v o = 5.5v; v i = gnd or v cc 1.0 50 50 m a i o output current 1 v cc = 5.5v; v o = 2.5v 50 70 180 50 180 ma i cch v cc = 5.5v; outputs high, v i = gnd or v cc 0.5 1.0 1.0 ma i ccl quiescent su pp ly current v cc = 5.5v; outputs low, v i = gnd or v cc 8 19 19 ma i ccz quiescent su ly current v cc = 5.5v; outputs 3-state; v i = gnd or v cc 0.5 1.0 1.0 ma d i cc additional supply current per input pin 2 74abt16541 outputs enabled, one input at 3.4v, other inputs at v cc or gnd; v cc = 5.5v 100 250 250 m a d i cc additional supply current per input pin 2 74abth16541 outputs enabled, one input at 3.4v, other inputs at v cc or gnd; v cc = 5.5v 0.2 1.0 1.0 ma notes: 1. not more than one output should be tested at a time, and the duration of the test should not exceed one second. 2. this is the increase in supply current for each input at 3.4v. 3. this is the bus hold overdrive current required to force the input to the opposite logic state. ac characteristics gnd = 0v; t r = t f = 2.5ns; c l = 50pf, r l = 500 w limits symbol parameter waveform t amb = +25 c v cc = +5.0v t amb = 40 c to +85 c v cc = +5.0v 0.5v unit min typ max min max t plh t phl propagation delay nix to nyx 1 1.0 1.0 2.0 1.5 3.0 3.6 1.0 1.0 3.4 4.2 ns t pzh t pzl output enable time to high and low level 2 1.3 1.6 2.9 3.1 4.3 4.7 1.3 1.6 5.2 6.0 ns t phz t plz output disable time from high and low level 2 1.3 1.0 3.5 2.8 4.4 3.6 1.3 1.0 5.1 3.9 ns
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 6 ac waveforms v m = 1.5v, v in = gnd to 3.0v nax input v m v m ny x output v m v m t phl t plh sa00037 v in waveform 1. input (an) to output (yn) propagation delays noe x input v m v m t pzh t phz nyx output v oh v m v m nyx output v ol t pzl t plz 3.5v 0v v ol + 0.3v v oh 0.3v sa00071 waveform 2. 3-state output enable and disable times test circuit and waveforms pulse generator r t v in v out c l r l v cc r l 7.0v test circuit for 3-state outputs v m v m t w amp (v) negative pulse 10% 10% 90% 90% 0v v m v m t w amp (v) positive pulse 90% 90% 10% 10% 0v t thl (t f ) t tlh (t r )t thl (t f ) t tlh (t r ) v m = 1.5v input pulse definition definitions r l = load resistor; see ac characteristics for value. c l = load capacitance includes jig and probe capacitance; see ac characteristics for value. r t = termination resistance should be equal to z out of pulse generators. input pulse requirements family amplitude rep. rate t w t r t f 74abt 3.0v 1mhz 500ns 2.5ns 2.5ns switch position test switch t plz closed t pzl closed all other open sa00012 d.u.t.
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 7 ssop48: plastic shrink small outline package; 48 leads; body width 7.5 mm sot370-1
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 8 tssop48: plastic thin shrink small outline package; 48 leads; body width 6.1mm sot362-1
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) 1998 feb 25 9 notes
philips semiconductors product specification 74abt16541 74abth16541 16-bit buffer/line driver (3-state) yyyy mmm dd 10 definitions short-form specification e the data in a short-form specification is extracted from a full data sheet with the same type number and title. for detailed information see the relevant data sheet or data handbook. limiting values definition e limiting values given are in accordance with the absolute maximum rating system (iec 134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the dev ice at these or at any other conditions above those given in the characteristics sections of the specification is not implied. exposure to limi ting values for extended periods may affect device reliability. application information e applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. disclaimers life support e these products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use i n such applications do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes e philips semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. philips semiconductors ass umes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or m ask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right in fringement, unless otherwise specified. philips semiconductors 811 east arques avenue p.o. box 3409 sunnyvale, california 940883409 telephone 800-234-7381 ? copyright philips electronics north america corporation 1998 all rights reserved. printed in u.s.a. print code date of release: 05-96 document order number: 9397-750-03495
data sheet status objective specification preliminary specification product specification product status development qualification production definition [1] this data sheet contains the design target or goal specifications for product development. specification may change in any manner without notice. this data sheet contains preliminary data, and supplementary data will be published at a later date. philips semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product. this data sheet contains final specifications. philips semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. data sheet status [1] please consult the most recently issued datasheet before initiating or completing a design.

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