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SN74ABT543APWR Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74ABT543APWR Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 18 page SN54ABT543A, SN74ABT543A OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS157F – JANUARY 1991 – REVISED MAY 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D State-of-the-Art EPIC-ΙΙB™ BiCMOS Design Significantly Reduces Power Dissipation D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Typical VOLP (Output Ground Bounce) < 1 V at VCC = 5 V, TA = 25°C D High-Drive Outputs (–32-mA IOH, 64-mA IOL) D Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Ceramic Flat (W) Package, and Plastic (NT) and Ceramic (JT) DIPs description The ’ABT543A octal transceivers contain two sets of D-type latches for temporary storage of data flowing in either direction. Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for each register to permit independent control in either direction of data flow. The A-to-B enable (CEAB) input must be low to enter data from A or to output data from B. If CEAB is low and LEAB is low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB puts the A latches in the storage mode. With CEAB and OEAB both low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar, but requires using the CEBA, LEBA, and OEBA inputs. 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. The SN54ABT543A is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74ABT543A is characterized for operation from –40 °C to 85°C. Copyright © 1997, 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. EPIC- ΙΙB is a trademark of Texas Instruments Incorporated. SN54ABT543A . . . JT OR W PACKAGE SN74ABT543A . . . DB, DW, NT, OR PW PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 LEBA OEBA A1 A2 A3 A4 A5 A6 A7 A8 CEAB GND VCC CEBA B1 B2 B3 B4 B5 B6 B7 B8 LEAB OEAB SN54ABT543A . . . FK PACKAGE (TOP VIEW) 32 1 28 27 12 13 5 6 7 8 9 10 11 25 24 23 22 21 20 19 B2 B3 B4 NC B5 B6 B7 A2 A3 A4 NC A5 A6 A7 426 14 15 16 17 18 NC – No internal connection |
Nº de peça semelhante - SN74ABT543APWR |
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Descrição semelhante - SN74ABT543APWR |
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