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74alvt16646 2.5v/3.3v 16-bus transceiver (3-state) product specification supersedes data of 1996 aug 13 ic23 data handbook 1998 feb 13 integrated circuits
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 2 1998 feb 13 853-1856 18962 features ? 16-bit universal bus interface ? 5v i/o compatible ? 3-state buffers ? output capability: +64ma/-32ma ? ttl input and output switching levels ? input and output interface capability to systems at 5v supply ? bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs ? live insertion/extraction permitted ? no bus current loading when output is tied to 5v bus ? power-up reset ? power-up 3-state ? latch-up protection exceeds 500ma per jedec std 17 ? esd protection exceeds 2000v per mil std 883 method 3015 and 200v per machine model description the 74alvt16646 is a high-performance bicmos product designed for v cc operation at 2.5v or 3.3v with i/o compatibility up to 5v. this device is a 16-bit 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 an output enable (oe ) input for easy cascading and a direction (dir) input for direction control. data on the a or b bus is clocked into the registers on the low to high transition of the appropriate clock (cpab or cpba). the select-control (sab and sba) inputs can multiplex stored and real-time (transparent mode data). quick reference data symbol parameter conditions typical unit symbol parameter t amb = 25 c 2.5v 3.3v unit t plh t phl propagation delay nax to nbx or nbx to nax c l = 50pf 2.2 2.3 1.7 1.8 ns c in input capacitance dir, oe v i = 0v or v cc 3 3 pf c i/o i/o pin capacitance v i/o = 0v or v cc 9 9 pf i ccz total supply current outputs disabled 40 70 m a ordering information packages temperature range outside north america north america dwg number 56-pin plastic ssop type iii 40 c to +85 c 74alvt166646 dl av16646 dl sot371-1 56-pin plastic tssop type ii 40 c to +85 c 74alvt16646 dgg av16646 dgg sot364-1
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 3 logic symbol (ieee/iec) 5 52 15 42 1 ? 1 g3 3en1 [ba] 3en2 [ab] g6 g7 c4 c5 5d 7 17 64d 6 1 1 2 ? 56 1 54 3 55 2 6 8 9 10 12 13 14 51 49 48 47 45 44 43 16 17 19 20 21 23 24 41 40 38 37 36 34 33 29 28 31 26 31 27 g10 10en8 [ba] 10en9 [ab] g13 g14 c11 c12 1 ? 8 13 11d 13 1 1 9 ? 12d 14 114 sw00157
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 4 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 25 26 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 27 28 30 29 1dir 1cpab 1sab gnd 1a0 1a1 1a2 1a3 1a4 gnd 1a5 1a6 1a7 2a0 2a2 gnd 2a3 v cc 2a1 2a4 2a5 2a6 2a7 2sab v cc gnd 2cpab 2dir 1oe 1cpba 1sba gnd 1b0 1b1 1b2 1b3 1b4 gnd 1b5 1b6 1b7 2b0 2b2 gnd 2b3 v cc 2b1 2b4 2b5 2b6 2b7 2sba v cc gnd 2cpba 20e sh00026 logic symbol 2 3 1cpab 1sab 1 1dir 55 1cpba 27 26 2cpab 2sab 28 2dir 30 2cpba 54 1sba 56 1oe 31 2sba 29 2oe 5 9 10 12 13 14 68 52 51 49 48 47 45 44 43 15 16 17 19 20 21 23 24 42 41 40 38 37 36 34 33 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 1b0 1b1 1b2 1b3 1b4 1b5 1b6 1b7 2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7 sh00027 pin description pin number symbol name and function 2, 55, 27, 30 1cpab, 1cpba, 2cpab, 2cpba clock input a to b / clock input b to a 3, 54, 26, 31 1sab, 1sba, 2sab, 2sba select input a to b / select input b to a 1, 28 1dir, 2dir direction control inputs 5, 6, 8, 9, 10, 12, 13, 14 15, 16, 17, 19, 20, 21, 23, 24 1a0 - 1a7, 2a0 - 2a7 data inputs/outputs (a side) 52, 51, 49, 48, 47, 45, 44, 43 42, 41, 40, 38, 37, 36, 34, 33 1b0 - 1b7, 2b0 - 2b7 data inputs/outputs (b side) 56, 29 1oe , 2oe output enable inputs 4, 11, 18, 25, 32, 39, 46, 53 gnd ground (0v) 7, 22, 35, 50 v cc positive supply voltage
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 5 the following examples demonstrate the four fundamental bus-management functions that can be performed with the 74alvt16646. } real time bus transfer bus b to bus a noe ndir ncpab ncpba nsab nsba llxxxl } real time bus transfer bus a to bus b noe ndir ncpab ncpba nsab nsba lh x x lx } storage from a, b, or a and b noe ndir ncpab ncpba nsab nsba lh xxx ll x xx hx xx } transfer stored data to a or b noe ndir ncpab ncpba nsab nsba l l x h | l x h l h h | l x h x abab ab ab sh00028
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 6 logic diagram 1d c1 q nb1 nb2 nb3 nb4 nb5 nb6 nb7 na1 na2 na3 na4 na5 na6 na7 detail a x 7 noe ndir ncpba nsba ncpab nsab nb0 1d c1 q na0 1 of 16 channels sh00029 function table inputs data i/o operating mode noe ndir ncpab ncpba nsab nsba nax nbx operating mode x x x x x input unspecified output* store a, b unspecified x x x x x unspecified output* input store b, a unspecified h h x x h or l h or l x x x x input input store a and b data isolation, hold storage l l l l x x x h or l x x l h output input real time b data to a bus stored b data to a bus l l h h x h or l x x l h x x input output real time a data to b bus stored a data to b bus h = high voltage level l = low voltage level x = don't care = low-to-high clock transition * the data output function may be enabled or disabled by various signals at the noe input. data input functions are always enabled, i.e., data at the bus pins will be stored on every low-to-high transition of the clock.
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 7 absolute maximum ratings 1, 2 symbol parameter conditions rating unit v cc dc supply voltage 0.5 to +4.6 v i ik dc input diode current v i < 0 50 ma v i dc input voltage 3 0.5 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 +7.0 v i out dc out p ut current output in low state 128 ma i out dc out ut current 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 negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. recommended operating conditions symbol parameter 2.5v range limits 3.3v range limits unit symbol parameter min max min max unit v cc dc supply voltage 2.3 2.7 3.0 3.6 v v i input voltage 0 5.5 0 5.5 v v ih high-level input voltage 1.7 2.0 v v il input voltage 0.7 0.8 v i oh high-level output current 8 32 ma i ol low-level output current 8 32 ma i ol low-level output current; current duty cycle 50%; f 1khz 24 64 ma d t/ d v input transition rise or fall rate; outputs enabled 10 10 ns/v t amb operating free-air temperature range 40 +85 40 +85 c
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 8 dc electrical characteristics (3.3v 0.3v range) limits symbol parameter test conditions temp = -40 c to +85 c unit min typ 1 max v ik input clamp voltage v cc = 3.0v; i ik = 18ma 0.85 1.2 v v oh high-level out p ut voltage v cc = 3.0 to 3.6v; i oh = 100 m a v cc 0.2 v cc v v oh high - level out ut voltage v cc = 3.0v; i oh = 32ma 2.0 2.3 v v cc = 3.0v; i ol = 100 m a 0.07 0.2 v ol lowlevel output voltage v cc = 3.0v; i ol = 16ma 0.25 0.4 v v cc = 3.0v; i ol = 32ma 0.3 0.5 v cc = 3.0v; i ol = 64ma 0.4 0.55 v rst power-up output low voltage 6 v cc = 3.6v; i o = 1ma; v i = v cc or gnd 0.55 v v cc = 3.6v; v i = v cc or gnd control p ins 0.1 1 v cc = 0 or 3.6v; v i = 5.5v control ins 0.1 10 i i input leakage current v cc = 3.6v; v i = 5.5v 0.1 20 m a v cc = 3.6v; v i = v cc i/o data pins 4 0.5 10 v cc = 3.6v; v i = 0 0.1 -5 i off off current v cc = 0v; v i or v o = 0 to 4.5v 0.1 100 m a bus hold current v cc = 3v; v i = 0.8v 75 130 m a i hold b u s hold c u rrent d a t a inp u t s 7 v cc = 3v; v i = 2.0v 75 140 m a data in uts v cc = 3.0v; v i = 0v to 3.6v 500 m a i ex current into an output in the high state when v o > v cc v o = 5.5v; v cc = 3.0v 50 125 m a i pu/pd power up/down 3-state output current 3 v cc 1.2v; v o = 0.5v to v cc ; v i = gnd or v cc ; oe/oe = don't care 40 100 m a i cch v cc = 3.6v; outputs high, v i = gnd or v cc, i o = 0 0.07 0.14 i ccl quiescent supply current v cc = 3.6v; outputs low, v i = gnd or v cc, i o = 0 3.2 7 ma i ccz v cc = 3.6v; outputs disabled; v i = gnd or v cc, i o = 0 5 0.07 0.14 d i cc additional supply current per input pin 2 v cc = 3v to 3.6v; one input at v cc 0.6v, other inputs at v cc or gnd 0.04 0.4 ma notes: 1. all typical values are at v cc = 3.3v and t amb = 25 c. 2. this is the increase in supply current for each input at the specified voltage level other than v cc or gnd 3. this parameter is valid for any v cc between 0v and 1.2v with a transition time of up to 10msec. from v cc = 1.2v to v cc = 3.3v 0.3v a transition time of 100 m sec is permitted. this parameter is valid for t amb = 25 c only. 4. unused pins at v cc or gnd. 5. i ccz is measured with outputs pulled up to v cc or pulled down to ground. 6. for valid test results, data must not be loaded into the flip-flops (or latches) after applying power. 7. this is the bus hold overdrive current required to force the input to the opposite logic state.
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 9 ac characteristics (3.3v 0.3v range) gnd = 0v; t r = t f = 2.5ns; c l = 50pf; r l = 500 w ; t amb = 40 c to +85 c. limits symbol parameter waveform v cc = 3.3v 0.3v unit min typ 1 max f max maximum clock frequency 1 150 mhz t plh t phl propagation delay ncpab to nbx or ncpba to nax 1 1.0 1.0 2.6 2.1 3.7 3.1 ns t plh t phl propagation delay nsab to nbx or nsba to nax 2 1.0 1.0 2.4 2.1 4.0 3.8 ns t plh t phl propagation delay nax to nbx or nbx to nax 2 3 0.5 0.5 1.7 1.8 2.4 2.8 ns t pzh t pzl output enable time to high and low level 5 6 0.5 0.5 2.3 2.0 3.9 4.4 ns t phz t plz output disable time from high and low level 5 6 1.5 1.5 3.4 2.8 5.0 4.2 ns t pzh t pzl output enable time ndir to nax or nbx 5 6 1.0 0.5 2.8 2.2 5.0 4.7 ns t phz t plz output disable time ndir to nax or nbx 5 6 1.5 1.0 3.5 3.1 5.4 4.7 ns note: 1. all typical values are at v cc = 3.3v and t amb = 25 c. ac setup requirements (3.3v 0.3v range) gnd = 0v; t r = t f = 2.5ns; c l = 50pf; r l = 500 w ; t amb = 40 c to +85 c. limits symbol parameter waveform v cc = 3.3v 0.3v unit min typ 1 t s (h) t s (l) setup time, high or low nax to ncpab or nbx to ncpba 4 1.6 1.6 1.0 1.0 ns t h (h) t h (l) hold time, high or low nax to ncpab or nbx or ncpba 4 0.0 0.0 0.5 0.7 ns t w (h) t w (l) pulse width, high or low ncpab or ncpba 1 1.5 1.5 ns note: 1. this data sheet limit may vary among suppliers.
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 10 dc electrical characteristics (2.5v 0.2v range) limits symbol parameter test conditions temp = -40 c to +85 c unit min typ 1 max v ik input clamp voltage v cc = 2.3v; i ik = 18ma 0.85 1.2 v v oh high-level out p ut voltage v cc = 2.3 to 3.6v; i oh = 100 m a v cc 0.2 v cc v v oh high - level out ut voltage v cc = 2.3v; i oh = 8ma 1.8 2.1 v v cc = 2.3v; i ol = 100 m a 0.07 0.2 v ol low-level output voltage v cc = 2.3v; i ol = 24ma 0.3 0.5 v v cc = 2.3v; i ol = 8ma 0.4 v rst power-up output low voltage 7 v cc = 2.7v; i o = 1ma; v i = v cc or gnd 0.55 v v cc = 2.7v; v i = v cc or gnd control p ins 0.1 1 v cc = 0 or 2.7v; v i = 5.5v control ins 0.1 10 i i input leakage current v cc = 2.7v; v i = 5.5v 0.1 20 m a v cc = 2.7v; v i = v cc i/o data pins 4 0.1 10 v cc = 2.7v; v i = 0 0.1 -5 i off off current v cc = 0v; v i or v o = 0 to 4.5v 0.1 100 m a i h o ld bus hold current v cc = 2.3v; v i = 0.7v 90 m a hold a or b inputs 6 v cc = 2.3v; v i = 1.7v 10 m a i ex current into an output in the high state when v o > v cc v o = 5.5v; v cc = 2.3v 50 125 m a i pu/pd power up/down 3-state output current 3 v cc 1.2v; v o = 0.5v to v cc ; v i = gnd or v cc ; oe/oe = don't care 40 100 m a i cch v cc = 2.7v; outputs high, v i = gnd or v cc, i o = 0 0.04 0.1 i ccl quiescent supply current v cc = 2.7v; outputs low, v i = gnd or v cc, i o = 0 2.3 4.5 ma i ccz v cc = 2.7v; outputs disabled; v i = gnd or v cc, i o = 0 5 0.04 0.1 d i cc additional supply current per input pin 2 v cc = 2.3v to 2.7v; one input at v cc 0.6v, other inputs at v cc or gnd 0.01 0.4 ma notes: 1. all typical values are at v cc = 2.5v and t amb = 25 c. 2. this is the increase in supply current for each input at the specified voltage level other than v cc or gnd 3. this parameter is valid for any v cc between 0v and 1.2v with a transition time of up to 10msec. from v cc = 1.2v to v cc = 2.5v 0.2v a transition time of 100 m sec is permitted. this parameter is valid for t amb = 25 c only. 4. unused pins at v cc or gnd. 5. i ccz is measured with outputs pulled up to v cc or pulled down to ground. 6. not guaranteed. 7. for valid test results, data must not be loaded into the flip-flops (or latches) after applying power.
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 11 ac characteristics (2.5v 0.2v range) gnd = 0v; t r = t f = 2.5ns; c l = 50pf; r l = 500 w ; t amb = 40 c to +85 c. limits symbol parameter waveform v cc = 2.5v 0.2v unit min typ 1 max f max maximum clock frequency 1 150 mhz t plh t phl propagation delay ncpab to nbx or ncpba to nax 1 1.0 1.0 3.2 2.8 4.8 4.2 ns t plh t phl propagation delay nsab to nbx or nsba to nax 2 1.5 1.5 3.4 3.4 5.8 6.0 ns t plh t phl propagation delay nax to nbx or nbx to nax 2 3 0.5 0.5 2.2 2.3 3.2 3.8 ns t pzh t pzl output enable time to high and low level 5 6 1.5 1.0 3.4 2.7 5.8 6.0 ns t phz t plz output disable time from high and low level 5 6 1.5 1.0 3.2 2.5 5.2 3.7 ns t pzh t pzl output enable time ndir to nax or nbx 5 6 2.0 1.0 4.1 2.5 7.0 4.1 ns t phz t plz output disable time ndir to nax or nbx 5 6 1.5 1.0 3.9 3.1 6.1 4.9 ns note: 1. all typical values are at v cc = 3.3v and t amb = 25 c. ac setup requirements (2.5v 0.2v range) gnd = 0v; t r = t f = 2.5ns; c l = 50pf; r l = 500 w ; t amb = 40 c to +85 c. limits symbol parameter waveform v cc = 2.5v 0.2v unit min typ t s (h) t s (l) setup time, high or low nax to ncpab or nbx to ncpba 4 2.0 2.0 1.2 1.2 ns t h (h) t h (l) hold time, high or low nax to ncpab or nbx or ncpba 4 0.0 0.0 1.0 1.0 ns t w (h) t w (l) pulse width, high or low ncpab or ncpba 1 1.5 1.5 ns ac waveforms v m = 1.5v at v cc 3.0v; v m = v cc /2 at v cc 2.7v v x = v ol + 0.3v at v cc 3.0v; v x = v ol + 0.15v at v cc 2.7v v y = v oh 0.3v at v cc 3.0v; v y = v oh 0.15v at v cc 2.7v v m v m v m v m v m 1/f max t w (h) t w (l) t phl t plh ncpba or ncpab nax or nbx sh00030 0v 3.0v or v cc whichever is less v oh v ol waveform 1. propagation delay, clock input to output, clock pulse width, and maximum clock frequency nsba or nsab v m t plh t phl v m v m v m nax or nbx nax or nbx nax or nbx sh00031 3.0v or v cc 0v v oh v ol waveform 2. propagation delay, nsab to nbx or nsba to nax, nax to nbx or nbx to nax
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 12 v m t phl t plh v m v m v m nsba or nsab nax or nbx sh00032 3.0v or v cc 0v v oh v ol waveform 3. propagation delay, nsba to nax or nsab to nbx v m nax or nbx v m v m v m v m v m ncpba or ncpab t s (h) t h (h) t s (l) t h (l) sh00033 note: the shaded areas indicate when the input is permitted to change for predictable output performance. 3.0v or v cc 0v 3.0v or v cc 0v waveform 4. data setup and hold times noe , ndir v m t pzh t phz 0v v y v m v m nax or nbx ndir v oh sh00034 0v 3.0v or v cc whichever is less waveform 5. 3state output enable time to high level and output disable time from high level t pzl t plz 0v v x v m v m v m noe , ndir nax or nbx ndir sh00035 v ol 3.0v or v cc 0v 3.0v or v cc waveform 6. 3state output enable time to low level and output disable time from low level test circuit and waveforms pulse generator v in v out c l v cc r l test circuit for 3-state outputs v m v m t w negative pulse 10% 10% 90% 90% 0v v m v m t w positive pulse 90% 90% 10% 10% 0v t thl (t f ) t tlh (t r )t thl (t f ) t tlh (t r ) 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 74alvt16 switch position test switch t plz/ t pzl 6v or v cc x 2 t plh/ t phl open t phz /t pzh gnd 6.0v or v cc x 2 r t r l open gnd sw00025 d.u.t. amplitude rep. rate t w t r t f 3.0v or v cc whichever is less 10mhz 500ns 2.5ns 2.5ns v in v in
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 13 ssop56: plastic shrink small outline package; 56 leads; body width 7.5 mm sot371-1
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) 1998 feb 13 14 tssop56: plastic thin shrink small outline package; 56 leads; body width 6.1mm sot364-1
philips semiconductors product specification 74alvt16646 2.5v/3.3v 16-bit bus transceiver (3-state) yyyy mmm dd 15 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: 9397-750-03572
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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