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SN74LVC8T245DGVR

製品説明
仕様・特性

SN74LVC8T245 8ĆBIT DUALĆSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3ĆSTATE OUTPUTS SCES584 − JULY 2004 D Control Inputs VIH/VIL Levels Are D Operation Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range DGV OR PW PACKAGE (TOP VIEW) 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 1 VCCB VCCB OE B1 B2 B3 B4 B5 B6 B7 B8 GND DIR A1 A2 A3 A4 A5 A6 A7 A8 GND 24 23 VCCB 22 OE 2 3 21 B1 20 B2 4 5 19 B3 18 B4 6 7 9 17 B5 16 B6 10 15 B7 8 14 B8 11 12 13 description/ordering information This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74LVC8T245 is optimized to operate with VCCA/VCCB set at 1.65 V to 5.5 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5.5-V voltage nodes. The SN74LVC8T245 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 outputs so the buses are effectively isolated. The SN74LVC8T245 is designed so that the control pins (DIR and OE) are supplied by VCCA. ORDERING INFORMATION PACKAGE† TA QFN − RGY −40°C to 85°C ORDERABLE PART NUMBER TVSOP − DGV SN74LVC8T245RGYR Tube TSSOP − PW Tape and reel SN74LVC8T245PW Tape and reel TOP-SIDE MARKING SN74LVC8T245PWR Tape and reel SN74LVC8T245DGVR † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. Copyright  2004, Texas Instruments Incorporated PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 PRODUCT PREVIEW 23 VCCB 24 2 VCCA 1 GND VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND RGY PACKAGE (TOP VIEW) GND D D Ioff Supports Partial-Power-Down Mode Referenced to VCCA Voltage VCC Isolation Feature − If Either VCC Input Is at GND, All I/O Ports Are in the High-Impedance State

ブランド

TI

会社名

Texas Instruments Incorporated

本社国名

U.S.A

事業概要

世界25ヶ国以上に製造・販売拠点を有する国際的な半導体企業であり、デジタル情報家電、ワイヤレス、ブロードバンド市場に欠かせないデジタル信号処理を行うDSPと、それに関連するアナログIC、マイクロコントローラを主力製品としている。

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