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1. general description the 74lvt2245; 74lvth2245 is a high-performance bicmos product designed for v cc operation at 3.3 v. this device is an 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 an output enable input ( oe) for easy cascading and a direction input (dir) for direction control. the 74lvt2245; 74lvth2245 is designed with 30 w series resistance in both the high-state and low-state of the output. this design reduces line noise in applications such as memory address drivers, clock drivers and bus transceivers and transmitters. 2. features n 30 w output termination resistors n octal bidirectional bus interface n 3-state buffers n output capability: +12 ma and - 12 ma n ttl input and output switching levels n input and output interface capability to systems at 5 v supply n bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs n live insertion and extraction permitted n power-up 3-state n no bus current loading when output is tied to 5 v bus n latch-up protection: u jesd78: exceeds 500 ma n esd protection: u mil std 883 method 3015: exceeds 2000 v u machine model: exceeds 200 v 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state rev. 04 24 april 2006 product data sheet
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 2 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 3. quick reference data 4. ordering information table 1. quick reference data gnd = 0 v; t amb =25 c. symbol parameter conditions min typ max unit t plh low-to-high propagation delay an to bn or bn to an c l = 50 pf; v cc = 3.3 v - 3.2 - ns t phl high-to-low propagation delay an to bn or bn to an c l = 50 pf; v cc = 3.3 v - 3.1 - ns c i input capacitance pins dir and oe v i = 0 v or 3.0 v - 4 - pf c io input/output capacitance pins an and bn outputs disabled; v i/o = 0 v or 3.0 v -10-pf i cc quiescent supply current outputs disabled; v cc = 3.6 v - 0.13 - ma table 2. ordering information type number package temperature range name description version 74lvt2245d - 40 c to +85 c so20 plastic small outline package; 20 leads; body width 7.5 mm sot163-1 74lvt2245db - 40 c to +85 c ssop20 plastic shrink small outline package; 20 leads; body width 5.3 mm sot339-1 74lvt2245pw - 40 c to +85 c tssop20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm sot360-1 74lvth2245d - 40 c to +85 c so20 plastic small outline package; 20 leads; body width 7.5 mm sot163-1 74LVTH2245DB - 40 c to +85 c ssop20 plastic shrink small outline package; 20 leads; body width 5.3 mm sot339-1 74lvth2245pw - 40 c to +85 c tssop20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm sot360-1
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 3 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 5. functional diagram fig 1. logic symbol fig 2. iec logic symbol fig 3. schematic of one output 2 1 dir 18 19 b0 b1 b2 b3 b4 b5 b6 b7 3 17 4 16 5 15 6 14 7 13 8 12 9 a0 a1 a2 a3 a4 a5 a6 a7 11 oe mna817 mna818 8 12 13 14 15 16 17 2 3 4 5 6 7 18 9 11 1 3 en2 (ab) 19 g3 3 en1 (ba) 1 2 v cc v cc mna819 25 w 25 w
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 4 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 6. pinning information 6.1 pinning 6.2 pin description fig 4. pin con?guration 74lvt2245 74lvth2245 dir v cc a0 oe a1 b0 a2 b1 a3 b2 a4 b3 a5 b4 a6 b5 a7 b6 gnd b7 001aae465 1 2 3 4 5 6 7 8 9 10 12 11 14 13 16 15 18 17 20 19 table 3. pin description symbol pin description dir 1 direction control input a0 2 data input/output a0 a1 3 data input/output a1 a2 4 data input/output a2 a3 5 data input/output a3 a4 6 data input/output a4 a5 7 data input/output a5 a6 8 data input/output a6 a7 9 data input/output a7 gnd 10 ground (0 v) b7 11 data input/output b7 b6 12 data input/output b6 b5 13 data input/output b5 b4 14 data input/output b4 b3 15 data input/output b3 b2 16 data input/output b2 b1 17 data input/output b1 b0 18 data input/output b0 oe 19 output enable input v cc 20 supply voltage
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 5 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 7. functional description 7.1 function table [1] h = high voltage level; l = low voltage level; x = dont care; z = high-impedance off-state. 8. limiting values [1] the input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. [2] the performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. 9. recommended operating conditions table 4. function table [1] control input/output oen dir an bn l l output an = bn input h input output bn = an hxz z table 5. limiting values in accordance with the absolute maximum rating system (iec 60134). voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min max unit v cc supply voltage - 0.5 +4.6 v v i input voltage [1] - 0.5 +7.0 v v o output voltage output in off-state or high-state [1] - 0.5 +7.0 v i ik input clamping current v i < 0 v - - 50 ma i ok output clamping current v o < 0 v - - 50 ma i o output current output in low-state - 128 ma output in high-state - - 64 ma t stg storage temperature - 65 +150 c t j junction temperature [2] - 150 c table 6. recommended operating conditions symbol parameter conditions min typ max unit v cc supply voltage 2.7 - 3.6 v v i input voltage 0 - 5.5 v v ih high-state input voltage 2.0 - - v v il low-state input voltage - - 0.8 v i oh high-state output current - - - 12 ma
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 6 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 10. static characteristics i ol low-state output current - - 12 ma d t/ d v input transition rise and fall rate outputs enabled - - 10 ns/v t amb ambient temperature in free-air - 40 - +85 c table 6. recommended operating conditions continued symbol parameter conditions min typ max unit table 7. static characteristics at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit t amb = - 40 c to +85 c [1] v ik input clamping voltage v cc = 2.7 v; i ik = - 18 ma - - 0.9 - 1.2 v v oh high-state output voltage v cc = 3.0 v; i oh = - 12 ma 2.0 2.2 - v v ol low-state output voltage v cc = 3.0 v; i ol = 12 ma - - 0.8 v i li input leakage current control pins v cc = 0 v or 3.6 v; v i = 5.5 v - 1 10 m a v cc = 3.6 v; v i = v cc or gnd - 0.1 1 m a i/o data pins; v cc = 3.6 v [2] v i = 5.5 v - 1 20 m a v i = v cc - 0.1 1 m a v i = 0 v - - 1 - 5 m a i off power-off leakage current v cc = 0 v; v i or v o = 0 v to 4.5 v -1 100 m a i hold bus hold current data input v cc = 3 v [3] v i = 0.8 v 75 150 - m a v i = 2.0 v - 75 - 150 - m a v cc = 0 v to 3.6 v v i = 3.6 v 500 - - m a i ex external current into output output in high-state when v o >v cc ; v o = 5.5 v; v cc = 3.0 v - 60 125 m a i o(pu/pd) power-up/power-down output current v cc 1.2 v; v o = 0.5 v to v cc ; v i = gnd or v cc ; oe = dont care [4] -15 100 m a i cc quiescent supply current v cc = 3.6 v; v i = gnd or v cc ; i o =0a outputs high - 0.13 0.19 ma outputs low - 3 12 ma outputs disabled [5] - 0.13 0.19 ma
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 7 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state [1] typical values are at v cc = 3.3 v and t amb = 25 c. [2] unused pins at v cc or gnd. [3] this is the bus hold overdrive current required to force the input to the opposite logic state. [4] this parameter is valid for any v cc between 0 v and 1.2 v with a transition time of up to 10 ms. from v cc =1.2vtov cc = 3.0 v to 3.6 v a transition time of 100 m s is permitted. [5] i cc is measured with outputs pulled to v cc or gnd. [6] this is the increase in supply current for each input at the speci?ed voltage level other than v cc or gnd. 11. dynamic characteristics [1] typical values are at v cc = 3.3 v and t amb = 25 c. d i cc additional quiescent supply current per input pin; v cc =3vto3.6v; one input at v cc - 0.6 v; other inputs at v cc or gnd [6] - 0.1 0.2 ma c i input capacitance pins dir and oe v i = 0 v or 3.0 v - 4 - pf c io input/output capacitance pins an and bn outputs disabled; v i/o = 0 v or 3.0 v -10-pf table 7. static characteristics continued at recommended operating conditions; voltages are referenced to gnd (ground = 0 v). symbol parameter conditions min typ max unit table 8. dynamic characteristics voltages are referenced to gnd (ground = 0 v); for test circuit see figure 7 . symbol parameter conditions min typ max unit t amb = - 40 c to +85 c [1] t plh low-to-high propagation delay an to bn or bn to an see figure 5 v cc = 3.0 v to 3.6 v 1.0 3.2 4.6 ns v cc = 2.7 v - - 5.3 ns t phl high-to-low propagation delay an to bn or bn to an see figure 5 v cc = 3.0 v to 3.6 v 1.0 3.1 4.5 ns v cc = 2.7 v - - 4.9 ns t pzh output enable time to high-state see figure 6 v cc = 3.0 v to 3.6 v 1.1 4.5 7.0 ns v cc = 2.7 v - - 9.1 ns t pzl output enable time to low-state see figure 6 v cc = 3.0 v to 3.6 v 1.5 4.3 6.5 ns v cc = 2.7 v - - 7.6 ns t phz output disable time from high-state see figure 6 v cc = 3.0 v to 3.6 v 2.2 3.7 5.2 ns v cc = 2.7 v - - 5.6 ns t plz output disable time from low-state see figure 6 v cc = 3.0 v to 3.6 v 2.0 3.6 5.0 ns v cc = 2.7 v - - 5.0 ns
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 8 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 12. waveforms v m = 1.5 v v ol and v oh are typical voltage output drop that occur with the output load. fig 5. input (an or bn) to output (bn or an) propagation delays v ol and v oh are typical voltage output drop that occur with the output load. fig 6. 3-state output enable and disable times mna820 t plh t phl v m v m an or bn input bn or an output gnd v i v oh v ol mna821 t pzl an or bn output bn or an output oe input v ol v oh 3.0 v 2.7 v 1.5 v 0 v 0 v t plz t pzh t phz v ol + 0.3 v v oh - 0.3 v 1.5 v 1.5 v
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 9 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state test data is given in t ab le 9 . de?nitions test circuit: r l = load resistor. c l = load capacitance including jig and probe capacitance. r t = termination resistance should be equal to output impedance z o of the pulse generator. v ext = test voltage for switching times. fig 7. load circuitry for switching times table 9. test data input load v ext v i f i t w t r , t f c l r l t phz , t pzh t plz , t pzl t plh , t phl 2.7 v 10 mhz 500 ns 2.5 ns 50 pf 500 w gnd 6 v open v ext v cc v i v o 001aae235 dut c l r t r l r l pulse generator v m v m t w t w 10 % 90 % 0 v v i v i negative pulse positive pulse 0 v v m v m 90 % 10 % t f t r t r t f
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 10 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 13. package outline fig 8. package outline sot163-1 (so20) unit a max. a 1 a 2 a 3 b p cd (1) e (1) (1) eh e ll p q z y w v q references outline version european projection issue date iec jedec jeita mm inches 2.65 0.3 0.1 2.45 2.25 0.49 0.36 0.32 0.23 13.0 12.6 7.6 7.4 1.27 10.65 10.00 1.1 1.0 0.9 0.4 8 0 o o 0.25 0.1 dimensions (inch dimensions are derived from the original mm dimensions) note 1. plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. 1.1 0.4 sot163-1 10 20 w m b p detail x z e 11 1 d y 0.25 075e04 ms-013 pin 1 index 0.1 0.012 0.004 0.096 0.089 0.019 0.014 0.013 0.009 0.51 0.49 0.30 0.29 0.05 1.4 0.055 0.419 0.394 0.043 0.039 0.035 0.016 0.01 0.25 0.01 0.004 0.043 0.016 0.01 0 5 10 mm scale x q a a 1 a 2 h e l p q e c l v m a (a ) 3 a so20: plastic small outline package; 20 leads; body width 7.5 mm sot163-1 99-12-27 03-02-19
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 11 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state fig 9. package outline sot339-1 (ssop20) unit a 1 a 2 a 3 b p cd (1) e (1) eh e ll p q (1) z y w v q references outline version european projection issue date iec jedec jeita mm 0.21 0.05 1.80 1.65 0.38 0.25 0.20 0.09 7.4 7.0 5.4 5.2 0.65 7.9 7.6 0.9 0.7 0.9 0.5 8 0 o o 0.13 1.25 0.2 0.1 dimensions (mm are the original dimensions) note 1. plastic or metal protrusions of 0.2 mm maximum per side are not included. 1.03 0.63 sot339-1 mo-150 99-12-27 03-02-19 x w m q a a 1 a 2 b p d h e l p q detail x e z e c l v m a (a ) 3 a 110 20 11 y 0.25 pin 1 index 0 2.5 5 mm scale ssop20: plastic shrink small outline package; 20 leads; body width 5.3 mm sot339-1 a max. 2
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 12 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state fig 10. package outline sot360-1 (tssop20) unit a 1 a 2 a 3 b p cd (1) e (2) (1) eh e ll p qz y w v q references outline version european projection issue date iec jedec jeita mm 0.15 0.05 0.95 0.80 0.30 0.19 0.2 0.1 6.6 6.4 4.5 4.3 0.65 6.6 6.2 0.4 0.3 0.5 0.2 8 0 o o 0.13 0.1 0.2 1 dimensions (mm are the original dimensions) notes 1. plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. plastic interlead protrusions of 0.25 mm maximum per side are not included. 0.75 0.50 sot360-1 mo-153 99-12-27 03-02-19 w m b p d z e 0.25 110 20 11 pin 1 index q a a 1 a 2 l p q detail x l (a ) 3 h e e c v m a x a y 0 2.5 5 mm scale tssop20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm sot360-1 a max. 1.1
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 13 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 14. abbreviations 15. revision history table 10. abbreviations acronym description bicmos bipolar complementary metal oxide semiconductor dut device under test esd electrostatic discharge ttl transistor-transistor logic table 11. revision history document id release date data sheet status change notice supersedes 74lvt_lvth2245_4 20060424 product data sheet - 74lvt_lvth2245_3 modi?cations: ? text changes have been made to the parameter descriptions of t plh and t phl in the quick reference and dynamic characteristics tables. 74lvt_lvth2245_3 20060323 product data sheet - 74lvt2245_2 (9397 75 03533) 74lvt2245_2 (9397 750 03533) 19980219 product speci?cation - 74lvt2245_1 74lvt2245_1 19960311 product speci?cation - -
74lvt_lvth2245_4 ? koninklijke philips electronics n.v. 2006. all rights reserved. product data sheet rev. 04 24 april 2006 14 of 15 philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state 16. legal information 16.1 data sheet status [1] please consult the most recently issued document before initiating or completing a design. [2] the term short data sheet is explained in section de?nitions. [3] the product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple dev ices. the latest product status information is available on the internet at url http://www .semiconductors .philips .com. 16.2 de?nitions draft the document is a draft version only. the content is still under internal review and subject to formal approval, which may result in modi?cations or additions. philips semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. short data sheet a short data sheet is an extract from a full data sheet with the same product type number(s) and title. a short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. for detailed and full information see the relevant full data sheet, which is available on request via the local philips semiconductors sales of?ce. in case of any inconsistency or con?ict with the short data sheet, the full data sheet shall prevail. 16.3 disclaimers general information in this document is believed to be accurate and reliable. however, philips semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. right to make changes philips semiconductors reserves the right to make changes to information published in this document, including without limitation speci?cations and product descriptions, at any time and without notice. this document supersedes and replaces all information supplied prior to the publication hereof. suitability for use philips semiconductors products are not designed, authorized or warranted to be suitable for use in medical, military, aircraft, space or life support equipment, nor in applications where failure or malfunction of a philips semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. philips semiconductors accepts no liability for inclusion and/or use of philips semiconductors products in such equipment or applications and therefore such inclusion and/or use is for the customers own risk. applications applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors makes no representation or warranty that such applications will be suitable for the speci?ed use without further testing or modi?cation. limiting values stress above one or more limiting values (as de?ned in the absolute maximum ratings system of iec 60134) may cause permanent damage to the device. limiting values are stress ratings only and operation of the device at these or any other conditions above those given in the characteristics sections of this document is not implied. exposure to limiting values for extended periods may affect device reliability. terms and conditions of sale philips semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www .semiconductors .philips .com/pro? le/ter ms , including those pertaining to warranty, intellectual property rights infringement and limitation of liability, unless explicitly otherwise agreed to in writing by philips semiconductors. in case of any inconsistency or con?ict between information in this document and such terms and conditions, the latter will prevail. no offer to sell or license nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. 16.4 trademarks notice: all referenced brands, product names, service names and trademarks are the property of their respective owners. 17. contact information for additional information, please visit: http://www.semiconductors.philips.com for sales of?ce addresses, send an email to: sales.addresses@www.semiconductors.philips.com document status [1] [2] product status [3] de?nition objective [short] data sheet development this document contains data from the objective speci?cation for product development. preliminary [short] data sheet quali?cation this document contains data from the preliminary speci?cation. product [short] data sheet production this document contains the product speci?cation.
philips semiconductors 74lvt2245; 74lvth2245 3.3 v octal transceiver with 30 w termination resistors; 3-state ? koninklijke philips electronics n.v. 2006. all rights reserved. for more information, please visit: http://www.semiconductors.philips.com. for sales office addresses, email to: sales.addresses@www.semiconductors.philips.com. date of release: 24 april 2006 document identifier: 74lvt_lvth2245_4 please be aware that important notices concerning this document and the product(s) described herein, have been included in section legal information. 18. contents 1 general description . . . . . . . . . . . . . . . . . . . . . . 1 2 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 quick reference data . . . . . . . . . . . . . . . . . . . . . 2 4 ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 functional diagram . . . . . . . . . . . . . . . . . . . . . . 3 6 pinning information . . . . . . . . . . . . . . . . . . . . . . 4 6.1 pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 6.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 functional description . . . . . . . . . . . . . . . . . . . 5 7.1 function table . . . . . . . . . . . . . . . . . . . . . . . . . . 5 8 limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 5 9 recommended operating conditions. . . . . . . . 5 10 static characteristics. . . . . . . . . . . . . . . . . . . . . 6 11 dynamic characteristics . . . . . . . . . . . . . . . . . . 7 12 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 13 package outline . . . . . . . . . . . . . . . . . . . . . . . . 10 14 abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 13 15 revision history . . . . . . . . . . . . . . . . . . . . . . . . 13 16 legal information. . . . . . . . . . . . . . . . . . . . . . . 14 16.1 data sheet status . . . . . . . . . . . . . . . . . . . . . . 14 16.2 de?nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 16.3 disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 16.4 trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 17 contact information. . . . . . . . . . . . . . . . . . . . . 14 18 contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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