FXL4245

FXL4245 Low Voltage Dual Supply 8-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs

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FXL4245 Low Voltage Dual Supply 8-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs

April 2004 Revised June 2004

FXL4245 Low Voltage Dual Supply 8-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs
General Description
The FXL4245 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 a 3-STATE condition. The FXL4245 is designed so that the control pins (T/R and OE) are supplied by VCCA.

Features
s Bi-directional interface between any 2 levels from 1.1V to 3.6V s Fully configurable, inputs track VCC level s Non-preferential power-up sequencing; either VCC may be powered-up first s Outputs remain in 3-STATE until active VCC level is reached s Outputs switch to 3-STATE if either VCC is at GND s Power-off protection s Control inputs (T/R, OE) levels are referenced to VCCA voltage s Packaged in 24-terminal MLP s 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)

Ordering Code:
Order Number FXL4245MPX Package Number MLP024B Package Description 24-Terminal Molded Leadless Package (MLP), JEDEC MO-220, 3.5mm x 4.5mm

2004 Fairchild Semiconductor Corporation

DS500867

www.fairchildsemi.com