CY7C199-35PC

Memory IC Overview

The CY7C199-35PC is a 256 kbit (32K x 8) CMOS static RAM manufactured by Infineon Technologies. It features a parallel interface with a maximum access time of 35 ns and operates within a supply voltage range of 4.5 V to 5.5 V. The component supports an industrial temperature range from -40 °C to +85 °C and utilizes a 28-lead molded DIP package.

Memory IC Feature Summary

• High-speed asynchronous operation with automatic power-down when deselected
• TTL-compatible inputs and outputs for direct logic interfacing
• Active LOW Chip Enable and Output Enable controls for easy memory expansion

Memory IC Applications

• Industrial control systems requiring volatile data storage
• Embedded applications utilizing standard parallel bus architectures
• Memory expansion modules in legacy computer hardware

Memory IC Procurement Notes

Verify the specific ordering suffix 'PC' corresponds to the 28-lead Molded DIP package and Commercial operating range as defined in the official Cypress/Infineon datasheet. Confirm that the required speed grade matches the 35 ns specification before procurement, as other variants exist within the CY7C199 family.

Memory IC Selection Notes

Select this component when a 32K x 8 organization and 35 ns access time are required for commercial-grade applications. Ensure the design accommodates the 28-lead DIP footprint and provides adequate thermal management for active power consumption levels specified in the electrical characteristics table.

Memory IC Part Context

The CY7C199 series represents a high-performance CMOS static RAM line originally developed by Cypress Semiconductor Corporation. This specific part number belongs to the standard speed grades, offering a balance between performance and power efficiency for general-purpose memory applications in consumer and industrial electronics.

Memory IC Replacement Considerations

CY7C199-35SC

Memory IC FAQ

What is the function of the Write Enable signal?

The active LOW Write Enable signal controls writing and reading operations; when both CE and WE are LOW, data on the input/output pins is written into the addressed memory location.

How does the device handle power consumption when not selected?

The device features an automatic power-down mechanism that reduces power consumption significantly when the Chip Enable signal is HIGH, entering a standby state.