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54VCXH163245：Rad-hard 16-bit transceiver, 1.8 V to 3.3 V bi-directional level shifter

The 54VCXH163245 is a rad-hard advanced high-speed CMOS, Schmitt trigger, 16-bit bidirectional, multi-purpose transceiver with 3-state outputs and cold sparing.

Designed for use as an interface between a 3.3 V bus and a 1.8 V bus in mixed 3.3 V/1.8 V supply systems, it achieves high-speed operation while maintaining the CMOS low power dissipation.

All pins have cold spare buffers to change them to high impedance when V_DD is tied to ground.

This IC is intended for two-way asynchronous communication between data buses. The direction of data transmission is determined by the nDIR inputs.

Key Features

• Dual supply bidirectional level shifter
• Voltage range from 1.6 V to 3.6 V
• Separated enable pin for 3-state output
• Internal 26 Ω limiting resistor on each I/O
• Bus hold
• Fail safe
• Cold spare
• Hermetic package
• 300 krad (Si) at any Mil1019 dose rate
• SEL immune to 110 MeV.cm2 /mg LET ions
• QML-V qualification on-going

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