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SN74ABT2241N bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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1 / 7 page SN54ABT2241, SN74ABT2241 OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS SCBS233B – JANUARY 1991 – REVISED JANUARY 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Output Ports Have Equivalent 25-Ω Series Resistors, So No External Resistors Are Required D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design Significantly Reduces Power Dissipation D Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C D Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), and Plastic (N) and Ceramic (J) DIPs description 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 SN54ABT2240, SN74ABT2240A and ’ABT2244A, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable (OE) inputs, and complementary OE and OE inputs. These devices feature high fan-out and improved fan-in. The outputs, which are designed to sink up to 12 mA, include equivalent 25- Ω series resistors to reduce overshoot and undershoot. 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. OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver. The SN54ABT2241 is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74ABT2241 is characterized for operation from –40 °C to 85°C. SN54ABT2241 ...J PACKAGE SN74ABT2241 . . . DB, DW, N, OR PW PACKAGE (TOP VIEW) 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 SN54ABT2241 . . . FK PACKAGE (TOP VIEW) Copyright © 1997, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information 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. EPIC- ΙΙB is a trademark of 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. |
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