IS66WVS8M8FBLL-104NLI

Memory IC Overview

The IS66WVS8M8FBLL-104NLI is a 64 Mbit (8 M x 8) pseudo SRAM manufactured by ISSI. It operates on a single 2.7 V to 3.6 V power supply and supports SPI and QPI protocols with a maximum clock frequency of 104 MHz. The device features a 7 ns access time and is housed in an 8-pin SOIC package. It functions within a commercial temperature range of -40°C to +85°C.

Memory IC Feature Summary

• Supports high-speed Serial Peripheral Interface (SPI) and Quad Peripheral Interface (QPI) communication protocols for efficient data transfer.
• Provides fast 7 ns access time to enable rapid read operations suitable for performance-critical embedded applications.
• Operates on a single low-voltage power supply ranging from 2.7 V to 3.6 V, simplifying power management requirements.

Memory IC Applications

• Embedded systems requiring non-volatile-like behavior without the complexity of flash memory controllers
• Industrial control units needing fast data buffering and logging capabilities
• Consumer electronics devices utilizing serial interface memory for code execution or data storage

Memory IC Procurement Notes

Verify the specific suffix 'NLI' against the manufacturer's current datasheet to confirm pinout compatibility and RoHS status. Ensure the design accommodates the SOIC-8 package dimensions and thermal characteristics. Confirm that the system voltage remains strictly within the 2.7 V to 3.6 V operating range to prevent functional failure.

Memory IC Selection Notes

Select this component when a small footprint serial memory solution is required with faster access times than standard SPI NOR flash. It serves as a drop-in replacement for parallel SRAM in space-constrained designs while offering lower pin count. Consider the 64 Mbit capacity and 104 MHz speed for applications demanding moderate data throughput with simple interface integration.

Memory IC Part Context

This part belongs to ISSI's WVS series of serial pseudo SRAMs, designed to bridge the gap between volatile DRAM and non-volatile flash. The series emphasizes ease of use through standard serial interfaces while maintaining SRAM-like random access speeds. The 64 Mbit density offers a balance between cost and capacity for mid-range embedded memory needs.

Memory IC Replacement Considerations

Check for direct cross-references such as the IS66WVS8M8FBLL-104BLI if different packaging is required. Verify electrical compatibility with other 64 Mbit serial PSRAM devices from competitors like Cypress or Microchip, ensuring voltage and timing parameters align with the existing system design.

Memory IC FAQ

Does the IS66WVS8M8FBLL-104NLI support both SPI and QPI modes?

Yes, the device supports standard SPI mode as well as Quad I/O (QPI) mode for higher bandwidth operations.

What is the maximum operating frequency of this component?

The maximum clock frequency is 104 MHz, allowing for high-speed data transfers in compatible systems.