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SN74LVCC4245A 데이터시트(PDF) 1 Page - Texas Instruments |
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SN74LVCC4245A 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 10 page SN74LVCC4245A OCTAL DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE OUTPUT VOLTAGE AND 3-STATE OUTPUTS SCAS584F – NOVEMBER 1996 – REVISED AUGUST 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015 D Latch-Up Performance Exceeds 250 mA Per JESD 17 D Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages description This 8-bit (octal) noninverting bus transceiver uses two separate power-supply rails. The A port, VCCA, is dedicated to accept a 5-V supply level, and the configurable B port, which is designed to track VCCB, accepts voltages from 3 V to 5 V. This allows for translation from a 3.3-V to a 5-V environment and vice versa. The SN74LVCC4245A is designed for asynchronous communication between data buses. The device transmits data 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 the buses are effectively isolated. The SN74LVCC4245A is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUTS OPERATION OE DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation Copyright © 1998, 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. EPIC is a trademark of Texas Instruments Incorporated. DB, DW, OR PW PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND VCCB NC OE B1 B2 B3 B4 B5 B6 B7 B8 GND NC – No internal connection 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. |
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