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74LVCH8T245PWRE4 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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74LVCH8T245PWRE4 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 22 page www.ti.com FEATURES DB, 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) 1 24 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 SN74LVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007 • Control Inputs V IH/VIL Levels Are Referenced • Bus Hold on Data Inputs Eliminates the Need to V CCA Voltage for External Pullup/Pulldown Resistors • V CC Isolation Feature – If Either VCC Input Is at • Latch-Up Performance Exceeds 100 mA Per GND, All Are in the High-Impedance State JESD 78, Class II • Fully Configurable Dual-Rail Design Allows • ESD Protection Exceeds JESD 22 Each Port to Operate Over the Full 1.65-V to – 4000-V Human-Body Model (A114-A) 5.5-V Power-Supply Range – 200-V Machine Model (A115-A) BKR – 1000-V Charged-Device Model (C101) This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74LVCH8T245 is optimized to operate with VCCA and 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. ORDERING INFORMATION TA PACKAGE(1) ORDERABLE PART NUMBER TOP-SIDE MARKING QFN – RHL Reel of 1000 SN74LVCH8T245RHLR NJ245 SSOP – DB Reel of 2000 SN74LVCH8T245DBR NJ245 –40 °C to 85°C Tube of 60 SN74LVCH8T245PW TSSOP – PW NJ245 Reel of 2000 SN74LVCH8T245PWR TVSOP – DGV Reel of 2000 SN74LVCH8T245DGVR NJ245 (1) 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. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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