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Level Translators | FXL4T245

Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs

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Overview

The FXL4T245 is a configurable dual-voltage-supply translator designed for bi-directional voltage translation of signals between two voltage levels. The device allows translation between voltages as high as 3.6V to as low as 1.1V. The A Port tracks the VCCA level, and the B Port tracks the VCCB level. Both ports are designed to accept supply voltage levels from 1.1V to 3.6V. This allows for bi-directional voltage translation over a variety of voltage levels: 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
The device remains in 3-STATE until both VCCs reach active levels allowing either VCC to be powered-up first. The device also contains power down control circuits that place the device in 3-STATE if either VCC is removed.
The Transmit/Receive (T/R#) input determines the direction of data flow through the device. The OE# input, when HIGH, disables both the A and B Ports by placing them in 3-STATE condition. The FXL4T245 is designed so that the control pins (T/R# and OE#) are supplied by VCCA.

  • This product is general usage and suitable for many different applications.
  • Bi-directional interface between any 2 levels from 1.1V to 3.6V
  • Fully configurable, inputs track VCC level
  • Non-preferential power-up sequencing; either VCC may be powered-up first
  • No power-up sequencing required
  • Outputs remain in 3-STATE until active VCC level is reached
  • Outputs switch to 3-STATE if either VCC is at GND
  • Power-off protection
  • Control inputs (T/R#, OE#) levels are referenced to VCCA voltage
  • Packaged in 14-terminal DQFN (2.5mm x 3.0mm) package
  • ESD protection exceeds:
  • 4kV HBM ESD (per JESD22-A114 & Mil Std 883e 3015.7)
  • 8kV HBM I/O to GND ESD (per JESD22-A114 & Mil Std 883e 3015.7)
  • 1kV CDM ESD (per ESD STM 5.3)
  • 200V MM ESD (per JESD22-A115 & ESD STM5.2)

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FXL4T245BQX

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Active

CAD Model

Pb

A

H

P

QFN-14

510CB

1

260

REEL

3000

Y

4

CMOS

1.1

3.6

3.5

24

$0.4543

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