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74AC16245DGG Datasheet(PDF) 1 Page - Texas Instruments |
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74AC16245DGG Datasheet(HTML) 1 Page - Texas Instruments |
1 / 6 page 54AC16245, 74AC16245 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS235A – MARCH 1990 – REVISED APRIL 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus t Family D 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers D Flow-Through Architecture Optimizes PCB Layout D Distributed VCC and GND Configuration Minimizes High-Speed Switching Noise D EPIC t (Enhanced-Performance Implanted CMOS) 1- mm Process D 500-mA Typical Latch-Up Immunity at 125°C D Package Options Include Plastic Thin Shrink Small-Outline (DGG) Package, 300-mil Shrink Small-Outline (DL) Package Using 25-mil Center-to-Center Pin Spacings and 380-mil Fine-Pitch Ceramic Flat (WD) Package Using 25-mil Center-to-Center Pin Spacings description The ’AC16245 are 16-bit bus transceivers organized as dual-octal noninverting 3-state transceivers designed for asynchronous two-way communication between data buses. The control function implementation minimizes external tim- ing requirements These devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction control (DIR) input. The output-enable input (OE) can be used to disable the devices so that the buses are effectively isolated. The 74AC16245 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area. The 54AC16245 is characterized for operation over the full military temperature range of –55 °C to 125°C. The 74AC16245 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE CONTROL INPUTS OPERATION OE DIR L L B data to A bus L H A data to bus H X Isolation Copyright © 1996, 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 and Widebus are trademarks 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. 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 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 54AC16245 . . . WD PACKAGE 74AC16245 . . . DGG OR DL PACKAGE (TOP VIEW) |
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