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74abt16245b 74abth16245b 16-bit bus transceiver (3-state) product specification supersedes data of 1996 nov 20 ic23 data handbook 1998 feb 25 integrated circuits
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 2 1998 feb 25 853-1742 19018 features ? 16-bit bidirectional bus interface ? power-up 3-state ? multiple v cc and gnd pins minimize switching noise ? 3-state buffers ? output capability: +64 ma/32ma ? latchup protection exceeds 500ma per jedec std 17 ? live insertion/extraction permitted ? esd protection exceeds 2000 v per mil std 883 method 3015 and 200v per machine model ? 74abth16245b incorporates bus hold data inputs which eliminate the need for external pull-up resistors to hold unused inputs ? bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs description the 74abt16245b high-performance bicmos device combines low static and dynamic power dissipation with high speed and high output drive. the 74abt16245b device is a dual octal transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. the control function implementation minimizes external timing requirements. the device features two output enable (1oe , 2oe ) inputs for easy cascading and two direction (1dir, 2dir) inputs for direction control. two options are available, 74abt16245b which does not have the bus hold feature and the 74abth16245b 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 nbx or nbx to nax c l = 50pf; v cc = 5v 2.0 2.3 ns c in input capacitance v i = 0v or v cc 4 pf c i/o i/o pin capacitance v o = 0v or v cc ; 3-state 7 pf i ccz quiescent su pp ly current outputs disabled; v cc =5.5v 500 m a i ccl quiescent su ly current output low; v cc =5.5v 10 ma ordering information packages temperature range outside north america north america dwg number 48-pin plastic ssop type iii 40 c to +85 c 74abt16245b dl bt16245b dl sot370-1 48-pin plastic tssop type ii 40 c to +85 c 74abt16245b dgg bt16245b dgg sot362-1 48-pin plastic ssop type iii 40 c to +85 c 74abth16245b dl bh16245b dl sot370-1 48-pin plastic tssop type ii 40 c to +85 c 74abth16245b dgg bh16245b dgg sot362-1
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 3 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 1dir 1b0 1b1 gnd 1b2 1b3 1b4 1b5 gnd 1b6 1b7 2b0 2b1 gnd 2b3 v cc 2b4 v cc 2b2 2b5 gnd 2b7 2dir 2b6 1oe 1a0 1a1 gnd 1a2 1a3 1a4 1a5 gnd 1a6 1a7 2a0 2a1 gnd 2a3 v cc 2a4 v cc 2a2 2a5 gnd 2a7 2oe 2a6 sa00020 logic symbol 2dir 24 36 35 33 32 30 29 27 26 23 22 20 19 17 16 14 13 2oe 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7 25 1dir 1 47 46 44 43 41 40 38 37 12 11 9 8 6 5 3 2 1oe 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 1b0 1b1 1b2 1b3 1b4 1b5 1b6 1b7 48 sa00021 pin description symbol pin number name and function 1dir, 2dir 1, 24 direction control inputs (active-high) 1a0 1a7, 2a0 2a7 47, 46, 44, 43 41, 40, 38, 37 36, 35, 33, 32 30, 29, 27, 26 data inputs/outputs (a side) 1b0 1b7 2b0 2b7 2, 3, 5, 6 8, 9, 11, 12 13, 14, 16, 17 19, 20, 22, 23 data inputs/outputs (b side) 1oe , 2oe 48, 25 output enables gnd 4, 10, 15, 21 28, 34, 39, 45 ground (0v) v cc 7, 18, 31, 42 positive supply voltage logic symbol (ieee/iec) ? 1 48 47 g3 1 3 en1 (ba) 3 en2 (ab) 2 ? 2 3 44 5 43 6 41 8 40 9 38 11 37 12 46 25 24 ? 4 36 35 5 ? 13 14 33 16 32 17 30 19 29 20 27 22 26 23 g6 6 en4 (ba) 6 en5 (ab) sa00022 1oe 1dir 2oe 2dir 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 1b0 1b1 1b2 1b3 1b4 1b5 1b6 1b7 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 4 function table inputs inputs/outputs noe ndir nax nbx l l a = b inputs l h inputs b = a h x z z h = high voltage level l = low voltage level x = don't care z = high impedance aoffo scale 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 o dc out p ut current output in low state 128 ma i out dc o u tp u t c u rrent output in high state 64 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 74abt16245b 74abth16245b 16-bit bus transceiver (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 control pins 0.01 1.0 1.0 m a bus hold current v cc = 4.5v; v i = 0.8v 50 50 i hold bus hold current a and b inputs 74abth16245b v cc = 5.5v; v i = 2.0v 75 75 m a 74abth16245b 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 = don't care 5.0 50 50 m a i ih +i ozh 3-state output high current v cc = 5.5v; v o = 5.5v; v i = v il or v ih 0.1 10 10 m a i il +i ozl 3-state output low current v cc = 5.5v; v o = 0.0v; v i = v il or v ih 0.1 10 10 m a i cex output high leakage current v cc = 5.5v; v o = 5.5v; v i = gnd or v cc 5.0 50 50 m a i o output current 1 v cc = 5.5v; v o = 2.5v 50 92 180 50 180 ma i cch v cc = 5.5v; outputs high, v i = gnd or v cc 0.30 0.70 0.70 ma i ccl quiescent supply current v cc = 5.5v; outputs low, v i = gnd or v cc 10 19 19 ma i ccz v cc = 5.5v; outputs 3-state; v i = gnd or v cc 0.30 0.70 0.70 ma outputs enabled, one data input at 3.4v, other inputs at v cc or gnd; v cc = 5.5v 400 700 700 m a d i cc additional supply current per input pin 2 outputs disabled, one data input at 3.4v, other inputs at v cc or gnd; v cc = 5.5v 100 250 250 m a in ut in control pins, outputs disabled, one enable input at 3.4v, other inputs at v cc or gnd; v cc = 5.5v 400 700 700 m a 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.
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 6 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 nax to nbx or nbx to nax 1 1.0 1.0 2.0 2.3 3.2 3.5 1.0 1.0 3.5 4.0 ns t pzh t pzl output enable time to high and low level 2 1.0 1.7 3.1 4.0 4.4 5.2 1.0 1.7 5.1 6.1 ns t phz t plz output disable time from high and low level 2 1.7 1.5 3.5 3.2 4.9 4.4 1.7 1.5 5.4 5.0 ns ac waveforms v m = 1.5v, v in = gnd to 3.0v input v m v m output v m v m t plh t phl sa00023 waveform 1. input to output propagation delays noe input output output v m v m t pzh t phz v oh v m v m v ol t pzl t plz 3.5v 0v v ol + 0.3v v oh 0.3v sa00024 waveform 2. 3-state output enable and disable times
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 7 test circuit pulse generator r t v in d.u.t. v out 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/h16 3.0v 1mhz 500ns 2.5ns 2.5ns switch position test switch t plz closed t pzl closed all other open sa00018 c l
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 8 1998 feb 25 ssop48: plastic shrink small outline package; 48 leads; body width 7.5 mm sot370-1
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 9 tssop48: plastic thin shrink small outline package; 48 leads; body width 6.1mm sot362-1
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) 1998 feb 25 10 notes
philips semiconductors product specification 74abt16245b 74abth16245b 16-bit bus transceiver (3-state) yyyy mmm dd 11 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: 9397-750-03486
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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