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SN74ABT162245DLR Datenblatt(PDF) 1 Page - Texas Instruments |
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SN74ABT162245DLR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 11 page SN54ABT162245, SN74ABT162245 16BIT BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCBS239F − MARCH 1993 − REVISED JUNE 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Members of the Texas Instruments Widebus Family D A-Port Outputs Have Equivalent 25-Ω Series Resistors, So No External Resistors Are Required D Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C D Distributed VCC and GND Pins Minimize High-Speed Switching Noise D Ioff Supports Partial-Power-Down Mode Operation D Flow-Through Architecture Optimizes PCB Layout D Latch-Up Performance Exceeds 500 mA Per JESD 17 D ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) description/ordering information The ’ABT162245 devices are 16-bit 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 effectively are isolated. The A-port outputs, which are designed to source or sink up to 12 mA, include equivalent 25- Ω series resistors to reduce overshoot and undershoot. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SSOP − DL Tube SN74ABT162245DL ABT162245 −40 °C to 85°C SSOP − DL Tape and reel SN74ABT162245DLR ABT162245 −40 C to 85 C TSSOP − DGG Tape and reel SN74ABT162245DGGR ABT162245 −55 °C to 125°C CFP − WD Tube SNJ54ABT162245WD SNJ54ABT162245WD † 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. Widebus is a trademark of Texas Instruments. SN54ABT162245 . . . WD PACKAGE SN74ABT162245 . . . DGG 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 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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