SN74AVC8T245DGVR Part Information

Details for SN74AVC8T245DGVR by Texas Instruments

Semiconductors - ICs > Logic > Buffers Transceivers & Line Drivers

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Part Description

This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74AVC8T245 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. The device 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. The SN74AVC8T245 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 SN74AVC8T245 is designed so the control pins (DIR and OE) are supplied by VCCA. The SN74AVC8T245 solution is compatible with a single-supply system and can be replaced later with a '245 function, with minimal printed circuit board redesign. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, thus 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, both ports are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE shall be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

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Part Features

  • Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage
  • ESD Protection Exceeds JESD 22
  • Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.4-V to 3.6-V Power-Supply Range
  • I/Os Are 4.6-V Tolerant
  • Ioff Supports Partial Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • Maximum Data Rates u2013 170 Mbps (VCCA < 1.8 V or VCCB < 1.8 V) u2013 320 Mbps (VCCA u2265 1.8 V and VCCB u2265 1.8 V)
  • VCC Isolation Feature u2013 If Either VCC Input Is at GND, All I/O Ports Are in the High-Impedance State

Part Specifications

Logic Family / Base Number 74AVC8T245
Logic Device Type Transceiver Translating
Logic Case Style TVSOP
No. of Pins 24Pins
Supply Voltage Min 1.2V
Supply Voltage Max 3.6V
Logic IC Family 74AVC
Logic IC Base Number 748T245
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • TRANSCEIVER W/ VOLT TRANSLATION, TVSOP24; Logic Device Type:Transceiver, Translating; Logic Family / Base Number:74AVC8T245; Logic Case Style:TVSOP; No. of Pins:24Pins; Supply Voltage Min:1.2V; Supply Voltage Max:3.6V; Logic IC RoHS Compliant: Yes | Newark Electronics
  • 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs | Texas Instruments

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