Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74BCT240DWR Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74BCT240DWR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 19 page SN54BCT240, SN74BCT240 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS004F – OCTOBER 1987 – REVISED MARCH 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Operating Voltage Range of 4.5 V to 5.5 V D State-of-the-Art BiCMOS Design Significantly Reduces ICCZ D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1OE 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND VCC 2OE 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 1Y1 2A4 1Y2 2A3 1Y3 1A2 2Y3 1A3 2Y2 1A4 SN54BCT240 ...FK PACKAGE (TOP VIEW) SN54BCT240 ...J OR W PACKAGE SN74BCT240 . . . DB, DW, N, OR NS PACKAGE (TOP VIEW) description/ordering information These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Together with the ’BCT241 and ’BCT244 devices, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical OE (active-low output-enable) inputs, and complementary OE and OE inputs. These devices feature high fan-out and improved fan-in. 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 TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74BCT240N SN74BCT240N SOIC DW Tube SN74BCT240DW BCT240 0 °C to 70°C SOIC – DW Tape and reel SN74BCT240DWR BCT240 SOP – NS Tape and reel SN74BCT240NSR BCT240 SSOP – DB Tape and reel SN74BCT240DBR BT240 CDIP – J Tube SNJ54BCT240J SNJ54BCT240J –55 °C to 125°C CFP – W Tube SNJ54BCT240W SNJ54BCT240W LCCC – FK Tube SNJ54BCT240FK SNJ54BCT240FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, Texas Instruments Incorporated 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. 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. |
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