AM4376BZDN80

Overview

The AM4376BZDNA80 is a microprocessor from the Texas Instruments Sitara family, featuring an ARM Cortex-A9 core. It operates at a maximum clock frequency of 800 MHz and utilizes a 32-bit data bus width. The component is housed in a BGA-491 package with SMD/SMT installation style. Key memory specifications include 32 kB L1 instruction cache, 32 kB L1 data cache, 256 kB L2 cache, 64 kB data RAM, and 256 kB data ROM. It supports multiple I/O voltages including 1.2 V, 1.35 V, 1.5 V, 1.8 V, and 3.3 V, and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates Programmable Real-Time Unit and Industrial Communication Subsystem for deterministic control tasks
• Supports floating-point arithmetic operations via the processor core
• Includes hardware security features such as a cryptographic accelerator
• Provides versatile connectivity through integrated Ethernet, USB, CAN, and serial interfaces

Applications

• Industrial automation controllers requiring real-time processing
• Human-machine interface (HMI) displays with graphical capabilities
• Smart energy management systems and smart grid devices
• Medical equipment requiring reliable embedded processing

Procurement Notes

Verify the complete part number against official Texas Instruments documentation, as suffixes indicate specific package or temperature grades. Confirm RoHS compliance status directly from the manufacturer's datasheet before procurement. Ensure that the ordering information matches the exact silicon revision required for your design. Cross-reference the component identifier with authorized distributors to avoid counterfeit parts. Validate all electrical parameters against the latest published specifications.

Selection Notes

Select this component when a single-core ARM Cortex-A9 processor with industrial temperature ratings is required. Consider the integrated PRU-ICS if deterministic real-time control is necessary alongside general-purpose processing. Evaluate the available memory sizes against application requirements before finalizing the choice. Ensure the BGA-491 package footprint aligns with the PCB layout constraints. Verify that the supported I/O voltage levels match the peripheral interfaces in the system design.

Part Context

This microprocessor belongs to the Texas Instruments Sitara AM437x series, designed for cost-sensitive embedded applications. The series targets markets requiring a balance of processing power and low power consumption. It serves as a bridge between high-performance processors and simple microcontrollers. The architecture supports Linux and other real-time operating systems. It is part of a broader ecosystem including development kits and software libraries.

Replacement Considerations

Consult the official Texas Instruments Sitara product selection guide for verified substitute part numbers. Check for pin-to-pin compatible alternatives within the same family. Verify that any replacement maintains the required industrial temperature range and package dimensions. Ensure software compatibility if migrating between different silicon revisions.