AM27PS191APC

Memory IC Overview

The AM27PS191APC is a 16,384-bit (2048 x 8) bipolar one-time programmable read-only memory. It features asynchronous operation with a maximum access time of 65 ns and three-state outputs. The device operates within an extended temperature range from -55 °C to +125 °C and utilizes a 24-pin ceramic dual in-line package.

Memory IC Feature Summary

• Bipolar technology for high-speed data retrieval
• One-time programmable architecture for permanent storage
• Three-state output capability for bus interfacing

Memory IC Applications

• Industrial control systems requiring non-volatile storage
• Embedded firmware storage in harsh environments
• Microprocessor system configuration memory

Memory IC Procurement Notes

Verify the specific suffix 'PC' against official AMD documentation to confirm package material and lead finish specifications. Ensure compatibility with existing board layouts regarding the 24-pin DIP footprint and thermal requirements for bipolar devices operating at elevated temperatures.

Memory IC Selection Notes

Select this component when bipolar speed is prioritized over CMOS power consumption. The wide industrial temperature range supports applications exposed to extreme environmental conditions. Confirm that the one-time programming constraint aligns with the final product design requirements.

Memory IC Part Context

This part belongs to the Advanced Micro Devices AM27PS series of bipolar PROMs. These devices were designed as upgrades for earlier EPROM technologies, offering faster access times while maintaining pin compatibility with legacy systems. The series targets applications requiring reliable, fixed code storage in demanding operational environments.

Memory IC Replacement Considerations

Cross-reference with other AM27PS variants for speed or package differences. Verify electrical compatibility before substituting with generic bipolar PROMs.