SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 D D 4.5-V to 5.5-V VCC Operation Inputs Accept Voltages to 5.5 V 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1A2 2Y3 1A3 2Y2 1A4 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 1Y1 2A4 1Y2 2A3 1Y3 2Y1 GND 2A1 1Y4 2A2 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND SN54ACT240 . . . FK PACKAGE (TOP VIEW) 2Y4 1A1 1OE VCC SN54ACT240 . . . J OR W PACKAGE SN74ACT240 . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) Max tpd of 8.5 ns at 5 V Inputs Are TTL Compatible 2OE D D description/ordering information These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’ACT240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs. When OE is low, the device passes inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. ORDERING INFORMATION PDIP – N –55°C to 125°C TOP-SIDE MARKING Tube SN74ACT240N Tube SN74ACT240DW Tape and reel SN74ACT240DWR SOP – NS Tape and reel SN74ACT240NSR ACT240 SSOP – DB Tape and reel SN74ACT240DBR AD240 TSSOP – PW Tape and reel SN74ACT240PWR AD240 CDIP – J Tube SNJ54ACT240J SNJ54ACT240J CFP – W Tube SNJ54ACT240W SNJ54ACT240W LCCC – FK Tube SNJ54ACT240FK SOIC – DW –40°C 40°C to 85°C ORDERABLE PART NUMBER PACKAGE† TA SN74ACT240N ACT240 SNJ54ACT240FK † 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 SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 FUNCTION TABLE (each buffer) INPUTS OUTPUT Y OE A L H L L L H H X Z logic diagram (positive logic) 1OE 1A1 1A2 1A3 1A4 1 2OE 2 18 4 16 6 14 8 12 1Y1 2A1 1Y2 2A2 1Y3 2A3 1Y4 2A4 19 11 9 13 7 15 5 17 3 2Y1 2Y2 2Y3 2Y4 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 (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0 or VI > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±200 mA Package thermal impedance, θJA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C † 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 SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 recommended operating conditions (see Note 3) SN54ACT240 MAX MIN MAX 4.5 5.5 4.5 5.5 VCC VIH Supply voltage VIL VI Low-level input voltage Input voltage 0 VO IOH Output voltage 0 High-level output current IOL ∆t/∆v Low-level output current High-level input voltage SN74ACT240 MIN 2 2 V V 0.8 Input transition rise or fall rate UNIT 0.8 V VCC VCC V –24 –24 mA 24 24 mA 8 8 ns/V VCC VCC 0 0 V TA Operating free-air temperature –55 125 –40 85 °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 TEST CONDITIONS 4.5 V IOH = –50 50 µA VOH IOH = –24 24 mA IOH = –50 mA† IOH = –75 mA† MIN TA = 25°C TYP MAX SN54ACT240 MIN MAX MIN 4.49 4.4 5.5 V 5.4 5.49 5.4 5.4 4.5 V 3.86 3.7 3.76 5.5 V 4.86 4.7 4.76 MAX UNIT 4.4 V 3.85 5.5 V IOL = 24 mA SN74ACT240 4.4 5.5 V IOL = 50 µA VOL VCC 3.85 4.5 V 0.001 0.1 0.1 5.5 V 0.001 0.1 0.1 0.1 0.1 4.5 V 0.36 0.5 0.44 5.5 V 0.36 0.5 0.44 V IOL = 50 mA† IOL = 75 mA† 5.5 V IOZ II VO = VCC or GND 5.5 V ±0.25 ±5 ±2.5 µA 5.5 V ±0.1 ±1 ±1 µA ICC VI = VCC or GND VI = VCC or GND, IO = 0 One input at 3.4 V, Other inputs at GND or VCC 5.5 V 4 80 40 µA 1.6 1.5 mA ∆ICC‡ Ci VI = VCC or GND VI = VCC or GND 1.65 5.5 V 1.65 5.5 V 0.6 5V 2.5 Co 5V 8 † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 pF pF 3 SN54ACT240, SN74ACT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS515C – JUNE 1995 – REVISED OCTOBER 2002 switching characteristics over recommended operating VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL A Y tPZH tPZL OE Y tPHZ tPLZ OE Y MIN free-air TA = 25°C TYP MAX temperature SN54ACT240 range, SN74ACT240 MIN MAX MIN MAX 1.5 6 8.5 1 9.5 1.5 9.5 1.5 5.5 7.5 1 9 1.5 8.5 1.5 7 8.5 1 10 1 9.5 2 7 9.5 1 11.5 1.5 10.5 2 8 9.5 1 11 2 10.5 2.5 6.5 10 1 11.5 2 10.5 UNIT ns ns ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER Cpd TEST CONDITIONS Power dissipation capacitance per buffer/driver CL = 50 pF, TYP f = 1 MHz 45 UNIT pF PARAMETER MEASUREMENT INFORMATION 2 × VCC S1 500 Ω From Output Under Test CL = 50 pF (see Note A) Open 500 Ω LOAD CIRCUIT Output Control (low-level enabling) 3V Input 1.5 V 1.5 V 0V tPLH Output tPHL VOH 50% VCC VOL 50% VCC TEST S1 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC Open 3V 1.5 V 1.5 V 0V tPLZ tPZL ≈VCC Output Waveform 1 S1 at 2 × VCC (see Note B) 50% VCC tPHZ tPZH Output Waveform 2 S1 at Open (see Note B) VOLTAGE WAVEFORMS VOL + 0.3 V VOL 50% VCC VOH – 0.3 V VOH ≈0 V VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. 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. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. D. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM www.ti.com 4-Mar-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty 5962-8775901M2A ACTIVE LCCC FK 20 1 None Call TI Level-NC-NC-NC 5962-8775901MRA ACTIVE CDIP J 20 1 None Call TI Level-NC-NC-NC 1 None Call TI Level-NC-NC-NC None Call TI Call TI Lead/Ball Finish MSL Peak Temp (3) 5962-8775901MSA ACTIVE CFP W 20 SN74ACT240DBLE OBSOLETE SSOP DB 20 SN74ACT240DBR ACTIVE SSOP DB 20 2000 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM SN74ACT240DW ACTIVE SOIC DW 20 25 Pb-Free (RoHS) CU NIPDAU Level-2-250C-1 YEAR/ Level-1-235C-UNLIM SN74ACT240DWR ACTIVE SOIC DW 20 2000 Pb-Free (RoHS) CU NIPDAU Level-2-250C-1 YEAR/ Level-1-235C-UNLIM SN74ACT240N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC SN74ACT240NSR ACTIVE SO NS 20 2000 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM SN74ACT240PW ACTIVE TSSOP PW 20 70 Pb-Free (RoHS) CU NIPDAU Level-1-250C-UNLIM SN74ACT240PWLE OBSOLETE TSSOP PW 20 None Call TI SN74ACT240PWR ACTIVE TSSOP PW 20 2000 Pb-Free (RoHS) CU NIPDAU SNJ54ACT240FK ACTIVE LCCC FK 20 1 None Call TI Level-NC-NC-NC SNJ54ACT240J ACTIVE CDIP J 20 1 None Call TI Level-NC-NC-NC SNJ54ACT240W ACTIVE CFP W 20 1 None Call TI Level-NC-NC-NC Call TI Level-1-250C-UNLIM (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 - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. None: Not yet available Lead (Pb-Free). 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. Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens, including bromine (Br) or antimony (Sb) above 0.1% of total product weight. (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry 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. 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