CY7C263-55QMB

Memory IC Overview

The CY7C263-55QMB is a UV EPROM memory IC manufactured by Cypress Semiconductor Corp. It provides 64Kbit of storage capacity organized as 8K x 8 bits. The device features a parallel interface with a maximum access time of 55 ns. It operates within a supply voltage range of 4.5V to 5.5V and supports an extended industrial temperature range from -55°C to 125°C. The component is housed in a 300-mil-wide package.

Memory IC Feature Summary

• Supports UV erasable non-volatile data retention
• Features power-switched standby mode for reduced consumption
• Provides reprogrammable storage capabilities

Memory IC Applications

• Data communication systems
• Remote communication equipment
• PC peripheral interfaces
• Military system applications

Memory IC Procurement Notes

Verify the specific suffix 'QMB' against official Cypress documentation to confirm the exact package dimensions and pinout configuration. Ensure the component meets the required operating temperature range specifications for your target environment before finalizing procurement decisions.

Memory IC Selection Notes

Select this component when a parallel interface UV EPROM with 55 ns access speed is required. Consider the 8K x 8 bit density and the specific 300-mil package constraints. Verify compatibility with existing system voltage levels and thermal management requirements for the intended application scope.

Memory IC Part Context

This part belongs to the CY7C263 series of power-switched and reprogrammable PROMs. Cypress Semiconductor designs these devices for high-performance data transmission and remote communication applications, utilizing CMOS technology to ensure reliability across various industrial and commercial environments.

Memory IC Replacement Considerations

Cross-reference with CY7C263-25QMB for faster access times or CY7C264 variants for different package sizes. Confirm electrical and mechanical compatibility before substitution.