PSD853F2-90J

Overview

The PSD853F2-90J is a programmable peripheral integrated circuit manufactured by STMicroelectronics, designed for use with 8-bit microcontrollers. It is housed in a 52-pin PLCC (J-Lead) surface-mount package measuring 19.1x19.1 mm. The device functions as a specialized interface component within embedded systems, allowing for customized peripheral configurations to support specific application requirements.

Feature Summary

• Programmable architecture enabling customized peripheral configuration
• Designed specifically for integration with 8-bit MCU systems
• Surface mount 52-LCC (J-Lead) package for compact PCB layouts

Applications

• Peripheral expansion for 8-bit microcontroller units
• Embedded system interface design
• Custom logic implementation in consumer electronics

Procurement Notes

Verify the specific revision level and manufacturing date code upon receipt. Confirm that the 52-PLCC footprint matches the target PCB layout dimensions of 19.1x19.1 mm. Ensure proper handling procedures are followed for J-lead packages during soldering to prevent lead damage.

Selection Notes

Select this component when an 8-bit MCU requires additional or reconfigurable peripheral logic. The programmable nature allows for design flexibility without changing hardware. Verify compatibility with the target microcontroller's voltage levels and interface protocols before finalizing the design.

Part Context

This part belongs to the category of specialized programmable peripherals, distinct from standard logic gates or memory chips. It serves as a bridge between the core processor and external devices, offering tailored functionality for specific 8-bit MCU applications.

Replacement Considerations

Direct pin-to-pin replacements may not exist due to the programmable nature of the device. Evaluate alternative programmable logic devices (PLDs) or complex CPLDs that offer similar I/O counts and configurability for the target 8-bit platform.