AM3874BCYE80

Overview

The AM3874BCYE80 is a microprocessor from the Texas Instruments Sitara ARM family, featuring an ARM Cortex-A8 core. It operates at a maximum clock frequency of 800 MHz and utilizes a 32-bit data bus width. The device is housed in a PBGA-684 package with SMD/SMT installation style. Key memory specifications include 32 kB L1 instruction cache, 32 kB L1 data cache, 512 kB L2 cache, 64 kB data RAM, and 48 kB data ROM. It supports floating-point instructions and interfaces including I2C, PCIe, SPI, UART, and USB. Operating voltage is 1.1 V, with I/O voltages of 1.5 V, 1.8 V, and 3.3 V. The component has 128 I/Os, 8 timers/counters, and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates an ARM Cortex-A8 processor core for embedded computing tasks
• Includes hardware floating-point unit for accelerated mathematical operations
• Provides multiple high-speed peripheral interfaces such as PCIe and USB
• Features extensive on-chip memory hierarchy with L1 and L2 caches

Applications

• Industrial automation controllers
• Medical imaging systems
• Smart grid infrastructure devices

Procurement Notes

Verify the specific suffix BCYE80 against the official Texas Instruments datasheet to confirm pinout, thermal characteristics, and electrical ratings match your design requirements. Ensure compatibility with the required operating temperature range and voltage levels before finalizing procurement decisions.

Selection Notes

Select this component when a single-core ARM Cortex-A8 solution with integrated floating-point capabilities is required. Consider the 800 MHz performance limit and available I/O count relative to system complexity. Evaluate the PBGA-684 package constraints for PCB layout and thermal management during the design phase.

Part Context

This part belongs to the AM387x Sitara ARM Microprocessors series by Texas Instruments. These processors are designed for applications requiring robust processing power combined with rich peripheral connectivity. The series targets industrial and medical markets where reliability and extended temperature ranges are critical.

Replacement Considerations

Consult the AM387x family datasheet for compatible alternatives. Potential substitutes may include other variants within the AM3874 series or the broader Sitara lineup, provided they meet the same core architecture, package, and performance specifications.