4677

Overview

Adafruit Industries LLC part number 4677 is a generic 64 Mbit serial pseudo SRAM (PSRAM) memory IC. It operates at a supply voltage of 3.3V and supports SPI interface communication with a clock frequency of up to 133 MHz. The component is housed in an 8-SOIC package.

Feature Summary

• Built-in voltage sensor for operational monitoring
• Software reset function capability

Applications

• Microcontroller system memory expansion
• Data buffering applications
• Embedded storage solutions

Procurement Notes

Verify the specific manufacturer origin, as Adafruit often distributes components sourced from other manufacturers such as ESP. Confirm that the 8-SOIC package and 133 MHz speed specifications align with your design requirements before procurement.

Selection Notes

Select this component when a compact 64 Mbit PSRAM solution is required for 3.3V logic systems. Ensure compatibility with SPI interfaces supporting speeds up to 133 MHz. Verify software reset functionality meets system reliability needs.

Part Context

This component serves as a memory expansion module within the Adafruit accessories catalog. It provides pseudo SRAM capabilities for embedded projects requiring additional volatile storage beyond standard microcontroller RAM limits.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.