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CY74FCT540CTQCT Datasheet(PDF) 1 Page - Texas Instruments |
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CY74FCT540CTQCT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 12 page CY54FCT540T, CY74FCT540T 8-BIT BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS SCCS029A – MAY 1994 – REVISED OCTOBER 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Function, Pinout, and Drive Compatible With FCT and F Logic D Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions D Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics D Ioff Supports Partial-Power-Down Mode Operation 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) D Matched Rise and Fall Times D Fully Compatible With TTL Input and Output Logic Levels D CY54FCT540T – 48-mA Output Sink Current – 12-mA Output Source Current D CY74FCT540T – 64-mA Output Sink Current – 32-mA Output Source Current D 3-State Outputs description The ’FCT540T inverting buffers/line drivers can be employed as memory address drivers, clock drivers, and bus-oriented transmitters/receivers. These devices provide speed and drive capabili- ties equivalent to their fastest bipolar-logic counterparts, while reducing power dissipation. The input and output voltage levels allow direct interface with TTL, NMOS, and CMOS devices without external components. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. ORDERING INFORMATION TA PACKAGE† SPEED (ns) ORDERABLE PART NUMBER TOP-SIDE MARKING –40 °C to 85°C QSOP – Q Tape and reel 4.1 CY74FCT540CTQCT FCT540C 55 °Cto125°C CDIP – D Tube 4.7 CY54FCT540CTDMB –55 °C to 125°C LCC – L Tube 4.7 CY54FCT540CTLMB † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2001, 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 OEA D0 D1 D2 D3 D4 D5 D6 D7 GND VCC OEB O0 O1 O2 O3 O4 O5 O6 O7 CY54FCT540T ...D PACKAGE CY74FCT540T ...Q PACKAGE (TOP VIEW) CY54FCT540T ...L PACKAGE (TOP VIEW) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 D2 D3 D4 D5 D6 O0 O1 O2 O3 O4 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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