Datenblatt-Suchmaschine für elektronische Bauteile |
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SN74AHCT540DBLE Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74AHCT540DBLE Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 17 page SN54AHCT540, SN74AHCT540 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS268L – DECEMBER 1995 – REVISED JULY 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Latch-Up Performance Exceeds 250 mA Per JESD 17 D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) description/ordering information The ’AHCT540 octal buffers/drivers are ideal for driving bus lines or buffer memory address registers. These devices feature inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. The 3-state control gate is a two-input AND gate with active-low inputs so that if either output-enable (OE1 or OE2) input is high, all corresponding outputs are in the high-impedance state. The outputs provide inverted data when they are not 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 TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74AHCT540N SN74AHCT540N SOIC DW Tube SN74AHCT540DW AHCT540 SOIC – DW Tape and reel SN74AHCT540DWR AHCT540 40 °Cto85°C SOP – NS Tape and reel SN74AHCT540NSR AHCT540 –40 °C to 85°C SSOP – DB Tape and reel SN74AHCT540DBR HB540 TSSOP PW Tube SN74AHCT540PW HB540 TSSOP – PW Tape and reel SN74AHCT540PWR HB540 TVSOP – DGV Tape and reel SN74AHCT540DGVR HB540 CDIP – J Tube SNJ54AHCT540J SNJ54AHCT540J –55 °C to 125°C CFP – W Tube SNJ54AHCT540W SNJ54AHCT540W LCCC – FK Tube SNJ54AHCT540FK SNJ54AHCT540FK † 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 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. 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. 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OE1 A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 SN54AHCT540 ...J OR W PACKAGE SN74AHCT540 . . . DB, DGV, DW, N, NS, OR PW PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 Y1 Y2 Y3 Y4 Y5 A3 A4 A5 A6 A7 SN54AHCT540 . . . FK PACKAGE (TOP VIEW) 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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