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54VCXH163245

Part Number	54VCXH163245
Manufacturer	STMicroelectronics
Description	Rad-hard 16-bit transceiver
Published	Jun 26, 2023
Detailed Description	54VCXH163245 Datasheet Rad-hard 16-bit transceiver, 1.8 V to 3.3 V bidirectional level shifter Product status link 54VC...
Datasheet	54VCXH163245 PDF File

Overview

54VCXH163245 Datasheet Rad-hard 16-bit transceiver, 1.
8 V to 3.
3 V bidirectional level shifter Product status link 54VCXH163245 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 A side output buffer • Bus hold • Fail safe • Cold spare • Hermetic package • 300 k/rad (Si) at any Mil1019 dose rate • SEL immune to 110 MeV.
cm2/mg LET ions Description The 54VCXH163245 is a rad-hard advanced high-speed CMOS, 16-bit bidirectional, multi-purpose transceiver with 3-state outputs and cold sparing.
Designed to be used 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 operations while maintaining the CMOS low power dissipation.
All pins have cold spare buffers to change them to high impedance when VDD is tied to ground.
This IC is intended for a two-way asynchronous communication between data buses.
The direction of data transmission is determined by the nDIR inputs.
DS11681 - Rev 7 - September 2021 For further information contact your local STMicroelectronics sales office.
www.
st.
com 1 Functional description Figure 1.
Logic diagram 54VCXH163245 Functional description Inputs mG mDIR L L L H H X Table 1.
Truth table Function Bus A Bus B Output Input Input Output Z Z Outputs A=B B=A Z Comments H = high-voltage level L = low-voltage level Z = high impedance X = irrelevant or don’t care DS11681 - Rev 7 page 2/19 54VCXH163245 Cold spare 1.
1 Cold spare The 54VCXH163245 features a cold spare input and output buffer.
In high reliability applications, cold sparing enables a redundant device to be tied to the data bus with its power supply at 0 V (VCC = 0 V) without affecting the bus signals or injecting current from the I/Os to the power supplies.
Cold sparing also allows redundant devices that are not powered to be switched on when required only.
Power consumption is there...

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