SN74AVC4T245RGYR Part Information

Details for SN74AVC4T245RGYR by Texas Instruments

Semiconductors - ICs > Logic > Buffers Transceivers & Line Drivers

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Part Description

This 4-bit noninverting bus transceiver uses two separate configurable power-supply rails. 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. The SN74AVC4T245 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. 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 SN74AVC4T245 device is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ. The SN74AVC4T245 device is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) 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 highimpedance 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.

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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 1.2-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 380 Mbps (1.8-V to 3.3-V Translation) u2013 200 Mbps (< 1.8-V to 3.3-V Translation) u2013 200 Mbps (Translate to 2.5 V or 1.8 V) u2013 150 Mbps (Translate to 1.5 V) u2013 100 Mbps (Translate to 1.2 V)

Part Specifications

Logic Family / Base Number 74AVC4T245
Logic Device Type Transceiver Non Inverting
Logic Case Style VQFN
No. of Pins 16Pins
Supply Voltage Min 1.2V
Supply Voltage Max 3.6V
Logic IC Family 74AVC
Logic IC Base Number 744T245
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Logic Type Bus Transceiver
No. of Inputs 4
Output Current 50mA
RoHS Compliant

Alternative Part Descriptions

  • 4 BIT BUS TRANSCEIVER, QFN-16; Logic Family / Base Number:74AVC4T245; Logic Device Type:Transceiver, Non Inverting; Logic Case Style:VQFN; No. of Pins:16Pins; Supply Voltage Min:1.2V; Supply Voltage Max:3.6V; Logic IC Family:74AVC RoHS Compliant: Yes | Newark Electronics
  • 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs | Texas Instruments

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