SN74LVCH245APWTG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH245APWTG4 is an octal bus transceiver from the Texas Instruments SN74LVCH245A series, designed for bidirectional data transmission. It features three-state outputs and operates within a supply voltage range of 2 V to 3.6 V. The device utilizes a TSSOP-20 package and supports TTL/CMOS input levels with LVTTL output levels. It exhibits a propagation delay of 7 ns and provides drive currents of 24 mA in both high and low states. The component functions across an extended temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration enabling simultaneous eight-bit bidirectional data transfer between two buses.
• Three-state outputs allow direct connection to system data lines without additional buffering.
• Compatible with standard CMOS and TTL logic input voltage levels for broad interface flexibility.

Buffers, Drivers, Receivers, Transceivers Applications

• Mobile applications requiring low-voltage operation
• Consumer products utilizing portable battery power
• Computing equipment needing high-density bus interfacing

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per manufacturer documentation. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range aligns with the final application environment. Cross-reference the datasheet revision to confirm electrical characteristics remain unchanged.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal transceiver is required for low-voltage systems operating between 2 V and 3.6 V. The LVCH series offers improved performance over standard LVC variants. Consider the TSSOP-20 package for surface-mount assembly constraints. Verify that the 7 ns propagation delay meets the timing requirements of the target bus architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVCH245A family, which represents an enhanced version of the standard LVC245 bus transceivers. The LVCH series typically provides better noise immunity and faster switching speeds compared to baseline LVC devices. It serves as a bridge between different voltage domains in complex digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVC245APWT is a compatible alternative within the same manufacturer's portfolio, sharing similar pinouts and functionality but lacking the specific LVCH enhancements.