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SN74BCT2241DWRG4 Fiches technique(PDF) 1 Page - Texas Instruments |
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SN74BCT2241DWRG4 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 12 page SN74BCT2241 OCTAL BUFFER AND LINE/MOS DRIVER WITH 3-STATE OUTPUTS SCBS035D – SEPTEMBER 1988 – 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 Output Ports Have Equivalent 33-Ω Series Resistors, So No External Resistors Are Required 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) description/ordering information This SN74BCT2241 is 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 ’BCT2240 and ’BCT2244 devices, this device provides the choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE) inputs, and complementary OE and OE inputs. This device features 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 and OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver. The outputs, which are designed to source or sink up to 12 mA, include 33- Ω series resistors to reduce overshoot and undershoot. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74BCT2241N SN74BCT2241N 0 °Cto70°C SOIC DW Tube SN74BCT2241DW BCT2241 0 °C to 70°C SOIC – DW Tape and reel SN74BCT2241DWR BCT2241 SOP – NS Tape and reel SN74BCT2241NSR BCT2241 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLES INPUTS OUTPUT 1OE 1A 1Y L H H L LL H XZ INPUTS OUTPUT 2OE 2A 2Y H H H H LL L X Z 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 DW, N OR NS PACKAGE (TOP VIEW) 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. |
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