SN74LVCC4245ADWR

Translators, Level Shifters Overview

The SN74LVCC4245ADWR is an octal bus transceiver featuring configurable output voltage and three-state outputs. It operates with a VCCA supply of 4.5V to 5.5V and a VCCB supply of 2.7V to 5.5V. The device provides 24mA drive strength at a 3V supply and supports asynchronous communication between data buses. It includes robust glitch-free power supply sequencing, VCC isolation, and Ioff circuitry for partial-power-down applications. The component is housed in a 24-pin SOIC package.

Translators, Level Shifters Feature Summary

• Configurable dual-supply architecture enabling translation between 3.3V and 5V environments
• Robust glitch-free power supply sequencing allowing independent rail power-up or power-down
• VCC isolation feature that disables I/O outputs when either supply falls below 100mV
• Ioff circuitry prevents damaging current backflow during partial-power-down states

Translators, Level Shifters Applications

• Data concentrators
• Three phase UPS systems
• Servo drive power stage modules
• Air conditioner outdoor units
• String inverters

Translators, Level Shifters Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature range. Ensure the selected variant matches the required thermal performance and physical footprint for the target PCB layout. Cross-reference the datasheet revision history to confirm electrical characteristics remain consistent with the design requirements.

Translators, Level Shifters Selection Notes

Select this component for designs requiring bidirectional level shifting between 5V and 3.3V logic domains. The high drive strength supports heavier loads and longer PCB traces. Verify that the control inputs are referenced to VCCA and that unused inputs are properly biased to prevent floating states. Ensure the application environment stays within the specified operating temperature range.

Translators, Level Shifters Part Context

This device belongs to the SN74LVCC4245A family of octal bus transceivers. It is designed for asynchronous communication between data buses with separate power rails for each port. The A port accepts a 5V supply level, while the B port tracks voltages from 3V to 5V. This configuration facilitates efficient voltage translation in mixed-voltage digital systems.

Translators, Level Shifters Replacement Considerations

The SN74LVC4245 is listed as compatible with this device. Designers should verify pinout alignment and electrical specifications before substitution. The SN74LVCC4245A pinout allows switching to a normal all 3.3V or all 5V 20-pin '245 device without redesigning the board.