CY7C4421-25AC

FIFOs Memory Overview

The CY7C4421-25AC is a synchronous FIFO memory device manufactured by Cypress Semiconductor Corp. It features a memory organization of 64 words by 9 bits, providing a total memory density of 576 bits. The component operates with a maximum clock frequency of 40 MHz and has a cycle time of 25 ns, resulting in a longest access time of 15 ns. It utilizes CMOS technology and is housed in a 32-pin Plastic Quad Flat Package (PQFP) with dimensions of 7 x 7 mm and a height of 1 mm.

FIFOs Memory Feature Summary

• Synchronous operation controlled by a single clock signal for data input and output.

FIFOs Memory Applications

FIFOs Memory Procurement Notes

Verify the specific revision level and package variant when sourcing this component, as manufacturing specifications may vary across production batches. Confirm compliance with current environmental regulations, noting that some sources indicate non-compliance with RoHS standards for this part number. Ensure the supplier provides authentic Cypress Semiconductor products to guarantee performance reliability and technical accuracy.

FIFOs Memory Selection Notes

Select this component for applications requiring small buffer storage with synchronous interface timing. The 64x9 word organization suits narrow data path buffering needs. Verify that the 40 MHz maximum clock speed meets system timing requirements. Consider the TQFP-32 package constraints for PCB layout and thermal management during integration.

FIFOs Memory Part Context

This part belongs to the CY7C44xx series of synchronous FIFOs from Cypress Semiconductor. These devices are designed for high-speed data buffering between asynchronous or synchronous systems. The CY7C4421 specifically offers a compact memory depth suitable for controlling logic or temporary data holding in digital signal processing chains.

FIFOs Memory Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Cypress Semiconductor resources for cross-reference information regarding compatible replacements or newer generation alternatives within the synchronous FIFO product line.