CY7C199C-15ZC

Memory IC Overview

The CY7C199C-15ZC is a 256K (32K x 8) CMOS asynchronous static RAM manufactured by Infineon Technologies. It features a maximum access time of 15 ns and operates within a voltage range of 4.5 V to 5.5 V. The device supports commercial temperature operation from 0°C to 70°C and utilizes a 28-pin TSOP I package.

Memory IC Feature Summary

• Automated power-down circuitry significantly reduces standby power consumption when the chip is deselected.
• TTL-compatible inputs and outputs ensure compatibility with standard logic families.
• Data retention capability allows memory contents to be preserved at supply voltages as low as 2.0 V.

Memory IC Applications

• Asynchronous memory interfacing in embedded systems
• Buffering applications requiring fast random access
• Industrial control units operating within commercial temperature ranges

Memory IC Procurement Notes

Verify that the specific ordering code matches the required speed bin, package type, and lead-free status. Confirm the operating temperature range aligns with system requirements. Ensure proper handling procedures are followed due to moisture sensitivity classification. Cross-reference datasheet revisions for any parameter updates before finalizing procurement specifications.

Memory IC Selection Notes

Select this component for designs requiring a 32K x 8 organization with 15 ns access speeds. The 28-pin TSOP I package suits surface-mount applications. Verify that the 5.0V ± 10% supply voltage meets system constraints. Consider the automated power-down feature for battery-operated or low-power applications.

Memory IC Part Context

This part belongs to the CY7C199C family of high-performance CMOS asynchronous SRAMs. The series offers multiple speed grades and packaging options, including SOJ, DIP, and TSOP I formats. The manufacturer provides comprehensive timing waveforms and electrical characteristics to support system integration and design validation.

Memory IC Replacement Considerations

CY7C199C-15ZXI: Industrial temperature grade variant with identical electrical performance and pinout.

Memory IC FAQ

How does the device manage power consumption during idle states?

The CY7C199C-15ZC includes an automatic power-down feature that activates when the chip is deselected, significantly lowering the standby current compared to continuous operation modes.

What is the minimum voltage required to retain stored data?

The device supports data retention down to a supply voltage of 2.0 V, ensuring memory integrity even if the main power supply drops below the normal operating range.