SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 D D SN54BCT245 . . . J OR W PACKAGE SN74BCT245 . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers ESD Protection Exceeds JESD 22 - 2000-V Human-Body Model (A114-A) DIR A1 A2 A3 A4 A5 A6 A7 A8 GND description These octal bus transceivers are designed for asynchronous communication between data buses. The devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated. 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC OE B1 B2 B3 B4 B5 B6 B7 B8 A2 A1 DIR VCC OE SN54BCT245 . . . FK PACKAGE (TOP VIEW) 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 B1 B2 B3 B4 B5 A8 GND B8 B7 B6 A3 A4 A5 A6 A7 ORDERING INFORMATION PDIP - N -55C to 125C TOP-SIDE MARKING Tube SN74BCT245N Tube SN74BCT245DW Tape and reel SN74BVT245DWR SOP - NS Tape and reel SN74BCT245NSR BCT245 SSOP - DB Tape and reel SN74BCT245DBR BT245 TSSOP - PW Tape and reel SN74BCT245PWR BT245 CDIP - J Tube SNJ54BCT245J SNJ54BCT245J CFP - W Tube SNJ54BCT245W SNJ54BCT245W LCCC - FK Tube SNJ54BCT245FK SOIC - DW 0C to 70C ORDERABLE PART NUMBER PACKAGE TA SN74BCT245N BCT245 SNJ54BCT245FK Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2002, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 FUNCTION TABLE INPUTS OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation logic diagram (positive logic) DIR 1 19 A1 OE 2 18 B1 To Seven Other Channels absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V Input voltage range, VI: Control inputs (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 7 V I/O ports (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 5.5 V Voltage range applied to any output in the disabled or power-off state, VO . . . . . . . . . . . . . . . . . -0.5 V to 7 V Voltage range applied to any output in the high state, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to VCC Current into any output in the low state, IO: SN54BCT245 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74BCT245 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Package thermal impedance, JA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70C/W DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69C/W NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60C/W PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C Stresses beyond those listed under "absolute maximum ratings" 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 "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 recommended operating conditions (see Note 3) SN54BCT245 SN74BCT245 MIN NOM MAX MIN NOM MAX 4.5 5 5.5 4.5 5 5.5 UNIT VCC VIH Supply voltage VIL IIK Low-level input voltage 0.8 0.8 V Input clamp current -18 -18 mA IOH High level output current High-level A port -3 -3 B port -12 -15 IOL Low level output current Low-level A port 20 24 B port 48 64 High-level input voltage 2 2 V V mA mA TA Operating free-air temperature - 55 125 0 70 C NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VCC = 4.5 V, A port VCC = 4 4.5 5V VOH B port A port VCC = 4.5 V A or B port II IIH IIL IOS ICCL ICCH ICCZ Ci Ciio Control input A or B port Control input A or B port Control input A port B port A to B IOH = - 3 mA IOH = - 3 mA IOH = -12 mA IOH = - 15 mA 3.4 2.5 3.4 2.4 3.3 2.4 3.3 2.4 3.3 2.4 3.3 2 3.2 2 3.1 VCC = 4 4.5 5V IOL = 48 mA IOL = 64 mA 0.38 0.55 VI = 5 5.5 5V 5V VCC = 5 5.5 V, 7V VI = 2 2.7 VCC = 5 5.5 5V V, VI = 0 0.5 5V VCC = 5 5.5 5V V, VO = 0 Control input VCC = 5.5 V VCC = 5 V, VCC = 5 V V, -1.2 2.5 0.5 VCC = 5 5.5 5V V, SN74BCT245 TYP MAX MIN -1.2 0.3 VCC = 5.5 V VCC = 5.5 V B to A II = -18 mA IOH = -1 mA IOL = 20 mA IOL = 24 mA A to B A to B MIN VCC = 4 4.5 5V VOL B port SN54BCT245 TYP MAX TEST CONDITIONS 0.35 0.5 0.42 0.55 1 1 0.1 0.1 70 70 20 20 - 0.65 - 0.65 -1.2 -1.2 -150 - 60 -150 -100 - 225 -100 - 225 VO = 2 2.5 5 V or 0.5 05V V V - 60 VI = 2.5 V or 0.5 V UNIT V mA A mA mA 57 90 57 90 mA 36 57 36 57 mA 10 15 10 15 mA 7 7 9 9 12 12 pF pF All typical values are at VCC = 5 V, TA = 25C. For I/O ports, the parameters IIH and IIL include the off-state output current. Not more than one output should be tested at a time, and the duration of the test should not exceed one second. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = 25C VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 , R2 = 500 , TA = MIN to MAX BCT245 tPLH tPHL A or B B or A tPZH tPZL OE A or B tPHZ tPLZ OE A or B SN54BCT245 SN74BCT245 MIN TYP MAX MIN MAX MIN MAX 1 4.4 6 1 7.2 1 7 1.5 4.8 6.6 1.5 7.6 1.5 7 1.5 8 9.4 1.5 11.2 1.5 10.9 1.5 8 10.2 1.5 11.8 1.5 11.6 1.5 5.8 8.3 1.5 9.7 1.5 9.3 1.5 5.1 7.8 1.5 9.6 1.5 9.1 For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. 4 POST OFFICE BOX 655303 UNIT * DALLAS, TEXAS 75265 ns ns ns SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 PARAMETER MEASUREMENT INFORMATION 7 V (tPZL, tPLZ, O.C.) S1 Open (all others) From Output Under Test Test Point CL (see Note A) R1 From Output Under Test R1 Test Point CL (see Note A) R2 LOAD CIRCUIT FOR TOTEM-POLE OUTPUTS RL = R1 = R2 LOAD CIRCUIT FOR 3-STATE AND OPEN-COLLECTOR OUTPUTS High-Level Pulse (see Note B) 3V Timing Input (see Note B) 3V 1.5 V 1.5 V 0V 1.5 V tw 0V Data Input (see Note B) 3V th tsu Low-Level Pulse 3V 1.5 V 1.5 V 0V 1.5 V 1.5 V VOLTAGE WAVEFORMS PULSE DURATION 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES 3V 3V Input (see Note B) 1.5 V 1.5 V 0V tPLH In-Phase Output (see Note D) VOH 1.5 V 1.5 V VOL VOH 1.5 V 1.5 V 0V tPLZ 1.5 V Waveform 1 (see Notes C and D) 3.5 V VOL tPHZ tPLH 1.5 V 1.5 V tPZL tPHL tPHL Out-of-Phase Output (see Note D) Output Control (low-level enable) 0.3 V tPZH Waveform 2 (see Notes C and D) VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES (see Note D) VOH 1.5 V 0.3 V 0V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR 10 MHz, tr = tf 2.5 ns, duty cycle = 50%. C. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. D. The outputs are measured one at a time with one transition per measurement. E. When measuring propagation delay times of 3-state outputs, switch S1 is open. Figure 1. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H - SEPTEMBER 1998 - REVISED MAY 2002 TYPICAL CHARACTERISTICS Figures 2 through 5 show the typical power dissipation for an SN74BCT245 over variations in outputs switching, output frequency, and capacitive load. POWER DISSIPATION vs FREQUENCY POWER DISSIPATION vs FREQUENCY 1400 900 750 VCC = 5.5 V TA = 70C RL = 500 Air Flow = 0 CL = 50 pF Eight Switching VCC = 5.5 V TA = 70C RL = 500 Air Flow = 0 CL = 15 pF PD - Power Dissipation - mW PD - Power Dissipation - mW 1050 Four Switching 600 450 One Switching 300 150 1200 1000 800 Four Switching 600 One Switching 400 200 0 0 0 10 20 30 40 50 10 0 f - Frequency - MHz 20 1750 VCC = 5.5 V TA = 70C RL = 500 Air Flow = 0 CL = 150 pF Eight Switching 1500 PD - Power Dissipation - mW PD - Power Dissipation - mW 1250 50 POWER DISSIPATION vs FREQUENCY 1750 1500 40 Figure 3 POWER DISSIPATION vs FREQUENCY VCC = 5.5 V TA = 70C RL = 500 Air Flow = 0 CL = 100 pF 30 f - Frequency - MHz Figure 2 Four Switching 1000 750 One Switching 500 1250 Eight Switching Four Switching 1000 750 One Switching 500 250 250 0 0 0 10 20 30 f - Frequency - MHz 40 50 0 Figure 4 10 20 30 40 f - Frequency - MHz Figure 5 The dashed lines are for the DB package only. 6 Eight Switching POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 50 PACKAGE OPTION ADDENDUM www.ti.com 5-Sep-2011 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp Samples (Requires Login) 5962-9051401M2A ACTIVE LCCC FK 20 1 TBD Call TI Call TI 5962-9051401MRA ACTIVE CDIP J 20 1 TBD Call TI Call TI 1 TBD Call TI Call TI TBD Call TI Call TI 5962-9051401MSA ACTIVE CFP W 20 SN74BCT245DBLE OBSOLETE SSOP DB 20 SN74BCT245DBR ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DBRG4 ACTIVE SSOP DB 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DWE4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DWG4 ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type CU NIPDAU N / A for Pkg Type SN74BCT245NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) SN74BCT245NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245PW ACTIVE TSSOP PW 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Addendum-Page 1 (3) PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 5-Sep-2011 Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) SN74BCT245PWE4 ACTIVE TSSOP PW 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245PWG4 ACTIVE TSSOP PW 20 70 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245PWR ACTIVE TSSOP PW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245PWRE4 ACTIVE TSSOP PW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74BCT245PWRG4 ACTIVE TSSOP PW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54BCT245FK ACTIVE LCCC FK 20 1 TBD SNJ54BCT245J ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type SNJ54BCT245W ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type POST-PLATE N / A for Pkg Type (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 5-Sep-2011 In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. OTHER QUALIFIED VERSIONS OF SN54BCT245, SN74BCT245 : * Catalog: SN74BCT245 * Military: SN54BCT245 NOTE: Qualified Version Definitions: * Catalog - TI's standard catalog product * Military - QML certified for Military and Defense Applications Addendum-Page 3 PACKAGE MATERIALS INFORMATION www.ti.com 5-May-2011 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant SN74BCT245DBR SSOP DB 20 2000 330.0 16.4 8.2 7.5 2.5 12.0 16.0 Q1 SN74BCT245DWR SOIC DW 20 2000 330.0 24.4 10.8 13.0 2.7 12.0 24.0 Q1 SN74BCT245NSR SO NS 20 2000 330.0 24.4 8.2 13.0 2.5 12.0 24.0 Q1 SN74BCT245PWR TSSOP PW 20 2000 330.0 16.4 6.95 7.1 1.6 8.0 16.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 5-May-2011 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74BCT245DBR SN74BCT245DWR SSOP DB 20 2000 346.0 346.0 33.0 SOIC DW 20 2000 346.0 346.0 41.0 SN74BCT245NSR SO NS 20 2000 346.0 346.0 41.0 SN74BCT245PWR TSSOP PW 20 2000 346.0 346.0 33.0 Pack Materials-Page 2 MECHANICAL DATA MSSO002E - JANUARY 1995 - REVISED DECEMBER 2001 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 28 PINS SHOWN 0,38 0,22 0,65 28 0,15 M 15 0,25 0,09 8,20 7,40 5,60 5,00 Gage Plane 1 14 0,25 A 0-8 0,95 0,55 Seating Plane 2,00 MAX 0,10 0,05 MIN PINS ** 14 16 20 24 28 30 38 A MAX 6,50 6,50 7,50 8,50 10,50 10,50 12,90 A MIN 5,90 5,90 6,90 7,90 9,90 9,90 12,30 DIM 4040065 /E 12/01 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion not to exceed 0,15. Falls within JEDEC MO-150 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI's terms and conditions of sale supplied at the time of order acknowledgment. TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI's standard warranty. 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