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74AVCH8T245DGVRE4 Folha de dados(PDF) 1 Page - Texas Instruments |
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74AVCH8T245DGVRE4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 19 page SN74AVCH8T245 8BIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES565F − APRIL 2004 − REVISED APRIL 2005 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage D VCC Isolation Feature − If Either VCC Input Is at GND, All I/O Ports Are in the High-Impedance State D Ioff Supports Partial-Power-Down Mode Operation D Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range D I/Os Are 4.6-V Tolerant D Max Data Rates: − 170 Mbps (1.2 V 3 (VCCA or VCCB) 3 3.3 V) − 320 Mbps (1.8 V 3 (VCCA or VCCB) 3 3.3 V) D Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors D Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II D ESD Protection Exceeds JESD 22 − 8000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) − 1000-V Charged-Device Model (C101) DGV 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 VCCB OE B1 B2 B3 B4 B5 B6 B7 B8 GND RHL PACKAGE (TOP VIEW) 124 12 13 2 3 4 5 6 7 8 9 10 11 23 22 21 20 19 18 17 16 15 14 VCCB OE B1 B2 B3 B4 B5 B6 B7 B8 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND description/ordering information This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74AVCH8T245 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING QFN − RHL Tape and reel SN74AVCH8T245RHLR WP245 −40 °C to 85°C TSSOP − PW Tube SN74AVCH8T245PW WP245 −40 °C to 85°C TSSOP − PW Tape and reel SN74AVCH8T245PWR WP245 TVSOP − DGV Tape and reel SN74AVCH8T245DGVR WP245 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2005, 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. 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. |
Nº de peça semelhante - 74AVCH8T245DGVRE4 |
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Descrição semelhante - 74AVCH8T245DGVRE4 |
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