FXL4TD245

FXL4TD245 Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs and Independent Direction Controls

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FXL4TD245 Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs and Independent Direction Controls

April 2007

FXL4TD245
Low Voltage Dual Supply 4-Bit Signal Translator with Configurable Voltage Supplies and Signal Levels and 3-STATE Outputs and Independent Direction Controls
Features
Bi-directional interface between any 2 levels

General Description
The FXL4TD245 is a configurable 4-bit dual-voltagesupply translator designed for both uni-directional and bi-directional voltage translation between two logic 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. 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. Internal power down control circuits place the device in 3-STATE if either VCC is removed. The Transmit/Receive (T/R) inputs independently determine the direction of data through each of the four bits. The OE input, when HIGH, disables both the A and B Ports by placing them in a 3-STATE condition. The FXL4TD245 is designed so that the control pins (T/R and OE) are supplied by VCCA.

from 1.1V to 3.6V Fully configurable: Inputs track VCC level Non-preferential power-up sequencing; either VCC may be powered-up first 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/Rn, OE) levels are referenced to VCCA voltage Packaged in 16-Terminal DQFN (2.5mm x 3.5mm) ESD protections 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 Information
Order Number
FXL4TD245BQX

Package Number
MLP016E

Pb-Free
Yes

Package Description
16-Terminal Depopulated Quad Very-Thin Flat Pack, No Leads (DQFN), JEDEC MO-241, 2.5mm x 3.5mm

Pb-Free package per JEDEC J-STD-020B.

2006 Fairchild Semiconductor Corporation FXL4TD245 Rev. 1.0.4

www.fairchildsemi.com