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SN74ABT646ADW Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74ABT646ADW Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 10 page SN54ABT646A, SN74ABT646A OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCBS069H − JULY 1991 − REVISED MAY 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 Ioff Supports Partial-Power-Down Mode Operation D Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 D ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) SN54ABT646A ...JT OR W PACKAGE SN74ABT646A . . . DB, DGV, DW, NS, NT, OR PW PACKAGE (TOP VIEW) 5 6 7 8 9 10 11 25 24 23 22 21 20 19 43 2 1 28 12 13 14 15 16 OE B1 B2 NC B3 B4 B5 A1 A2 A3 NC A4 A5 A6 SN54ABT646A . . . FK PACKAGE (TOP VIEW) 17 18 27 26 CLKAB SAB DIR A1 A2 A3 A4 A5 A6 A7 A8 GND VCC CLKBA SBA OE B1 B2 B3 B4 B5 B6 B7 B8 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 NC − No internal connection description/ordering information These devices consist of bus-transceiver circuits, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers. Data on the A or B bus is clocked into the registers on the low-to-high transition of the appropriate clock (CLKAB or CLKBA) input. Figure 1 illustrates the four fundamental bus-management functions that can be performed with the ’ABT646A devices. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − NT Tube SN74ABT646ANT SN74ABT646ANT SOIC − DW Tube SN74ABT646ADW ABT646A SOIC − DW Tape and reel SN74ABT646ADWR ABT646A −40 °C to 85°C SOP − NS Tape and reel SN74ABT646ANSR ABT646A −40 °C to 85°C SSOP − DB Tape and reel SN74ABT646ADBR AB646A TSSOP − PW Tube SN74ABT646APW AB646A TSSOP − PW Tape and reel SN74ABT646APWR AB646A TVSOP − DGV Tape and reel SN74ABT646ADGVR AB646A CDIP − JT Tube SNJ54ABT646AJT SNJ54ABT646AJT −55 °C to 125°C CFP − W Tube SNJ54ABT646AW SNJ54ABT646AW −55 C to 125 C LCCC − FK Tube SNJ54ABT646AFK SNJ54ABT646AFK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2004, 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. On products compliant to MILPRF38535, 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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