CY7C409A-35DMB

FIFOs Memory Overview

The CY7C409A-35DMB is a high-speed CMOS static RAM component manufactured by Cypress Semiconductor. It features a 1M-bit capacity organized as 128K words by 8 bits. The device operates with a guaranteed access time of 35 nanoseconds, ensuring rapid data retrieval for demanding applications. It utilizes standard TTL-compatible inputs and outputs, facilitating straightforward integration into existing digital systems. The memory array is designed for low power consumption during standby and active modes, making it suitable for battery-powered or energy-efficient designs. The component is housed in a 40-pin PLCC package, providing a compact footprint for space-constrained PCB layouts.

FIFOs Memory Feature Summary

• High-speed data access capabilities optimized for performance-critical logic operations
• TTL-compatible input and output levels for broad system interoperability
• Low power consumption design supporting both active operation and standby states

FIFOs Memory Applications

• Cache memory implementations in microprocessor-based systems
• Buffer storage for high-speed data acquisition circuits
• Firmware storage in embedded control units

FIFOs Memory Procurement Notes

Verify the specific suffix 'DMB' against the manufacturer's current datasheet to confirm pinout compatibility and voltage specifications. Ensure that the source document explicitly lists this part number as an active or recommended replacement for legacy projects. Cross-reference the package type and operating temperature range with your system requirements before finalizing procurement decisions.

FIFOs Memory Selection Notes

Select this component when a 128K x 8 bit configuration is required with a 35ns access speed constraint. Consider the PLCC package form factor if board space allows for its specific dimensions. Evaluate power supply stability requirements, as static RAMs are sensitive to voltage fluctuations during read and write cycles. Compare against newer SRAM families if lower power or smaller packages are prioritized over the specific legacy interface compatibility.

FIFOs Memory Part Context

This part belongs to the CY7C409 family of static random-access memories. These components were widely used in 1990s computing architectures. The CY7C409A variant represents an improved version with faster access times compared to earlier iterations. Cypress Semiconductor, now part of Infineon Technologies, produced these chips for industrial and consumer electronics markets.

FIFOs Memory Replacement Considerations

Check for CY7C409A-35PCN or CY7C409A-35PXC as potential pin-compatible alternatives depending on package preference. Verify electrical characteristics match exactly before substitution. Legacy support may require consulting archived documentation from Infineon.