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74ACT16861DLRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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74ACT16861DLRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page 54ACT16861, 74ACT16861 20-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCAS197B – JUNE 1990 – REVISED NOVEMBER 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus ™ Family D Inputs Are TTL-Voltage Compatible D 3-State Outputs Drive Bus Lines Directly D Flow-Through Architecture Optimizes PCB Layout D Distributed VCC and GND Pin Configuration Minimizes High-Speed Switching Noise D EPIC™ (Enhanced-Performance Implanted CMOS) 1- µm Process D 500-mA Typical Latch-Up Immunity at 125 °C D Package Options Include Shrink Plastic Small-Outline 300-mil (DL) Packages Using 25-mil Center-to-Center Pin Spacings and 380-mil Fine-Pitch Ceramic Flat (WD) Packages Using 25-mil Center-to-Center Pin Spacings description The ’ACT16861 are noninverting 20-bit transceivers designed for asynchronous communication between data buses. The control-function implementation minimizes external timing requirements. The ’ACT16861 can be used as two 10-bit transceivers or one 20-bit transceiver. They 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 output-enable (OEAB or OEBA) inputs. The output-enable inputs can be used to disable the device so that the buses are effectively isolated. The 74ACT16861 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 54ACT16861 is characterized for operation over the full military temperature range of –55 °C to 125°C. The 74ACT16861 is characterized for operation from –40 °C to 85°C. 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. 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 and Widebus are trademarks of Texas Instruments Incorporated. 54ACT16861 . . . WD PACKAGE 74ACT16861 . . . 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 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 1OEAB 1B1 1B2 GND 1B3 1B4 VCC 1B5 1B6 1B7 GND 1B8 1B9 1B10 2B1 2B2 2B3 GND 2B4 2B5 2B6 VCC 2B7 2B8 GND 2B9 2B10 2OEAB 1OEBA 1A1 1A2 GND 1A3 1A4 VCC 1A5 1A6 1A7 GND 1A8 1A9 1A10 2A1 2A2 2A3 GND 2A4 2A5 2A6 VCC 2A7 2A8 GND 2A9 2A10 2OEBA |
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