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SN74AHCT16245DGGR 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74AHCT16245DGGR 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 14 page SN54AHCT16245, SN74AHCT16245 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCLS335J – MARCH 1996 – REVISED OCTOBER 2000 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of Texas Instruments’ Widebus™ Family D Inputs Are TTL-Voltage Compatible D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Flow-Through Architecture Optimizes PCB Layout D Latch-Up Performance Exceeds 250 mA Per JESD 17 description The ’AHCT16245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for synchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. These devices can be used as two 8-bit transceivers or one 16-bit transceiver. They allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated. 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. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SSOP DL Tube SN74AHCT16245DL AHCT16245 40 °Cto85°C SSOP – DL Tape and reel SN74AHCT16245DLR AHCT16245 –40 °C to 85°C TSSOP – DGG Tape and reel SN74AHCT16245DGGR AHCT16245 TVSOP – DGV Tape and reel SN74AHCT16245DGVR HF245 –55 °C to 125°C CFP – WD Tube SNJ54AHCT16245WD SNJ54AHCT16245WD † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright © 2000, 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. 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. Widebus is a trademark of Texas Instruments. SN54AHCT16245 . . . WD PACKAGE SN74AHCT16245 . . . DGG, DGV, OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1DIR 1B1 1B2 GND 1B3 1B4 VCC 1B5 1B6 GND 1B7 1B8 2B1 2B2 GND 2B3 2B4 VCC 2B5 2B6 GND 2B7 2B8 2DIR 1OE 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 GND 1A7 1A8 2A1 2A2 GND 2A3 2A4 VCC 2A5 2A6 GND 2A7 2A8 2OE |
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