71V256SA12PZI

Overview

The IDT71V256SA12PZI is a standard static random-access memory (SRAM) integrated circuit manufactured by Integrated Device Technology. It features a memory organization of 32K words by 8 bits, providing a total storage capacity of 256 kilobits. The device operates with an access time of 12 nanoseconds and utilizes parallel interface technology for data transfer. It is designed to function within a voltage supply range of 4.5 volts to 5.5 volts. The component is housed in a 32-pin Thin Shrink Small Outline Package (TSSOP), suitable for surface-mount applications requiring compact board space.

Feature Summary

• Standard asynchronous SRAM architecture for general-purpose data storage
• Parallel interface supporting high-speed word access
• Single power supply operation compatible with standard logic levels

Applications

• Embedded systems requiring fast local data buffering
• Industrial control units needing reliable volatile memory
• Consumer electronics devices utilizing surface-mount assembly

Procurement Notes

Verify the package type matches the required 32-pin TSSOP footprint on the target PCB. Confirm that the operating voltage requirements align with the system's 4.5V to 5.5V supply rails. Ensure the 12ns access time meets the timing constraints of the host processor or controller interface being utilized in the design.

Selection Notes

Select this component when a 256Kbit capacity with 12ns speed is required in a small surface-mount package. Compare against other 32Kx8 SRAMs if different access times or pin counts are needed. Consider the 5V operation requirement versus lower voltage alternatives if power efficiency is a primary constraint for the specific application environment.

Part Context

This part belongs to the IDT 71V256 family of standard SRAMs. Variants within this family typically differ by access speed, package style, and temperature rating. The '12' suffix indicates the 12ns speed grade, while 'PZI' denotes the specific 32-pin TSSOP packaging configuration offered by the manufacturer for this memory density.

Replacement Considerations

Check for direct replacements from Renesas Electronics, which acquired IDT's semiconductor assets. Verify equivalent parts such as the IS61WV256 series or other 32Kx8 5V SRAMs in TSSOP-32 packages. Ensure functional compatibility regarding pinout and electrical specifications before substitution.