74LVTH162245DLRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVTH162245DLRG4 is a 3.3-V ABT 16-bit bus transceiver with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 3.6 V and supports mixed-mode signal operation, allowing 5-V input and output voltages with a 3.3-V VCC. The device features active bus-hold circuitry on data inputs and Ioff support for hot insertion. It includes distributed VCC and GND pins to minimize high-speed switching noise and provides ESD protection exceeding JESD 22 standards. The component is housed in a 48-pin SSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation with 5-V tolerant inputs and outputs while operating at 3.3 V
• Features active bus-hold circuitry to maintain valid logic states on unused or undriven inputs without external resistors
• Provides Ioff and power-up 3-state capabilities to prevent damaging current backflow during hot insertion
• Includes equivalent 22-ohm series resistors in A-port outputs to reduce overshoot and undershoot

Buffers, Drivers, Receivers, Transceivers Applications

• Mixed-mode signal transmission between 5-V and 3.3-V system environments
• Hot-insertion applications requiring isolation during power-up or power-down
• High-speed data buses utilizing flow-through architecture for optimized PCB layout

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'G4' confirms lead-free and RoHS compliance status as defined by Texas Instruments. Confirm the DL package designation corresponds to the 48-pin SSOP form factor required for your board design. Ensure the temperature grade matches the -40°C to 85°C operational range specified for this part number. Cross-reference the manufacturer part number against current availability lists to confirm production status.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require bidirectional data transfer between 5-V and 3.3-V domains. The LVTH series is suitable for applications needing strong drive capability with low power consumption. Consider the SSOP package constraints regarding pin pitch and thermal dissipation. Verify that the 22-ohm internal series resistance meets your signal integrity requirements for overshoot control.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the Texas Instruments Widebus family of 3.3-V ABT bus transceivers. It functions as a dual-octal noninverting transceiver, effectively acting as two 8-bit transceivers or one 16-bit transceiver. The SN74LVTH162245 variant is the commercial grade version, distinct from the military-grade SN54LVTH162245. It utilizes standard TTL-compatible logic levels for control inputs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVTH162245DL is the direct predecessor without the G4 suffix. SN74LVTH162245DGGRG4 offers the same functionality in a TSSOP-48 package.