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SN74AVC32T245NMJ Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AVC32T245NMJ Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 30 page  SN74AVC32T245 32-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation, Level-Shifting, and Tri-State Outputs 1 Features • Member of the Texas Instruments Widebus+™ Family • Control Inputs VIH/VIL Levels Referenced to VCCA Voltage • VCC Isolation Feature – If Either VCC Input is at GND, Both Ports are in the High-Impedance State • Overvoltage-Tolerant Inputs/Outputs Allow Mixed- Voltage-Mode Data Communications • Fully Configurable Dual-Rail Design Allows Each Port to Operate Over Full 1.2 V to 3.6 V Power- Supply Range • Ioff Supports Partial-Power-Down Mode Operation • 4.6 V Tolerant I/Os • Max Data Rates – 380 Mbps (1.8 V to 3.3 V Level-Shifting) – 200 Mbps (< 1.8 V to 3.3 V Level-Shifting) – 200 Mbps (Translate to 2.5 V or 1.8 V) – 150 Mbps (Translate to 1.5 V) – 100 Mbps (Translate to 1.2 V) • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protection Exceeds JESD 22 – 4000 V Human-Body Model (A114-A) – 1000 V Charged-Device Model (C101) 2 Applications • Personal Electronics • Industrial • Enterprise • Telecom 3 Description This 32-bit noninverting bus transceiver uses two separate, configurable power-supply rails. The SN74AVC32T245 device is optimized to operate with VCCA/VCCB set from 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 and accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB and 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, 1.5V, 1.8 V, 2.5 V, and 3.3 V voltage nodes. The SN74AVC32T245 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 disable the outputs so the buses are effectively isolated. The SN74AVC32T245 is designed so that the control pins (1DIR, 2DIR, 3DIR, 4DIR, 1 OE, 2 OE, 3 OE, and 4 OE) are supplied by VCCA. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high- impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. Device Information PART NUMBER PACKAGE(1) BODY SIZE (NOM) SN74AVC32T245ZXE/ GKE LFBGA (96) 13.50 mm × 5.50 mm SN74AVC32T245ZRL BGA MICROSTAR JUNIOR (96) 8.50 mm × 3.50 mm SN74AVC32T245NMJ nFBGA(96) 8.50 mm × 3.50 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. To Seven Other Channels 1DIR 1A1 1B1 1OE To Seven Other Channels 2DIR 2A1 2B1 2OE A3 A5 H3 E5 A4 A2 H4 E2 To Seven Other Channels 3DIR 3A1 3B1 3OE To Seven Other Channels 4DIR 4A1 4B1 4OE J3 J5 T3 N5 J4 J2 T4 N2 Figure 3-1. Logic Diagram www.ti.com SN74AVC32T245 SCES553G – MAY 2004 – REVISED JULY 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 1 Product Folder Links: SN74AVC32T245 SN74AVC32T245 SCES553G – MAY 2004 – REVISED JULY 2020 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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