The FXLH42245 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 V_CCA level, and the B Port tracks the V_CCB 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 V_CCs reach active levels allowing either V_CC to be powered-up first. The device also contains power down control circuits that place the device in 3-STATE if either V_CC 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 FXLH42245 is designed so that the control pins (T/R# and OE#) are supplied by V_CCA.

• Bi-directional interface between any 2 levels from 1.1V to 3.6V
• Fully configurable, inputs track V_CC level
• Non-preferential power-up sequencing; either V_CC may be powered-up first
• Outputs remain in 3-STATE until active V_CC level is reached
• Outputs switch to 3-STATE if either V_CC is at GND
• Bushold on data inputs eliminates the need for external pull-up/pull-down resistors
• 26ohm output series resistors on the B Port to reduce line noise
• Power-off protection
• Control inputs (T/R#, OE#) levels are referenced to V_CCA voltage
• Packaged in 24-terminal MLP
• 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)