AM3894BCYGA120

Overview

The AM3894BCYGA120 is a microprocessor from the Texas Instruments Sitara ARM family, featuring a single-core ARM Cortex-A8 processor. It operates with a maximum clock frequency of 1.1 GHz and utilizes a PBGA-1031 package. The device supports a 32-bit data bus width and includes L1 instruction and data caches of 32 kB each, along with an L2 cache of 256 kB. It functions within a voltage range of 850 mV to 1.1 V and supports I/O voltages of 1.5 V, 1.8 V, and 3.3 V. The component offers 64 I/O pins and integrates interfaces including Ethernet, I2C, SPI, PCIe, UART, and USB.

Feature Summary

• Integrates an ARM Cortex-A8 core for high-performance processing
• Supports multiple communication interfaces including Ethernet and PCIe
• Includes floating-point arithmetic capabilities
• Features extensive on-chip memory with L1 and L2 caches

Applications

• Industrial automation controllers
• Medical imaging systems
• Smart grid infrastructure devices
• Video surveillance equipment

Procurement Notes

Verify current manufacturing status as this specific part number may be obsolete. Confirm availability of direct substitutes such as the AM3894CCYGA120 if production continuity is required. Ensure compatibility with existing PCB layouts and power supply designs when transitioning to replacement components. Check datasheet revisions for any pinout or electrical characteristic changes in newer variants.

Selection Notes

Select this component for applications requiring robust real-time processing with multimedia capabilities. Consider the integrated peripherals to reduce external component count. Evaluate thermal management requirements due to the 1.1 GHz operating speed. Ensure software support exists for the specific Sitara processor series before finalizing the design choice.

Part Context

This microprocessor belongs to the AM389x Sitara ARM Processor series by Texas Instruments. It is designed for demanding embedded applications requiring high performance and rich connectivity. The series typically targets industrial and medical markets where reliability and processing power are critical. It sits alongside other variants in the Sitara portfolio offering different performance and interface configurations.

Replacement Considerations

The AM3894CCYGA120 is listed as a direct substitute for the AM3894BCYGA120. Verify pin-to-pin compatibility and electrical specifications before substitution. Review the official datasheet for both parts to confirm functional equivalence in your specific application context.