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SN74HC645N Arkusz danych(PDF) 1 Page - Texas Instruments |
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SN74HC645N Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 14 page SN54HC645, SN74HC645 OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCLS304B – JANUARY 1996 – REVISED DECEMBER 2002 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Wide Operating Voltage Range of 2 V to 6 V D High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 12 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D True Logic SN54HC645 ...J OR W PACKAGE SN74HC645 ...DW, N, OR NS PACKAGE (TOP VIEW) SN54HC645 . . . FK PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND VCC OE B1 B2 B3 B4 B5 B6 B7 B8 32 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 B1 B2 B3 B4 B5 A3 A4 A5 A6 A7 description/ordering information These octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending upon the level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are effectively isolated. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74HC645N SN74HC645N 40 °Cto85°C SOIC DW Tube SN74HC645DW HC645 –40 °C to 85°C SOIC – DW Tape and reel SN74HC645DWR HC645 SOP – NS Tape and reel SN74HC645NSR HC645 CDIP – J Tube SNJ54HC645J SNJ54HC645J –55 °C to 125°C CFP – W Tube SNJ54HC645W SNJ54HC645W LCCC – FK Tube SNJ54HC645FK SNJ54HC645FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation 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. Copyright 2002, Texas Instruments Incorporated 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. |
Podobny numer części - SN74HC645N |
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Podobny opis - SN74HC645N |
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