The 27C4000PC90 is a high-performance, 4 Megabit (4 Mbit) EPROM (Erasable Programmable Read-Only Memory) chip from the renowned semiconductor manufacturer, STMicroelectronics. This memory device is designed to offer a reliable storage solution for applications that require data retention without power, as well as the flexibility of being programmable and erasable when needed.

Key Features

• Memory Capacity: The device boasts a large memory capacity of 4 Mbit, which is organized as 512K x 8 bits, suitable for storing firmware, boot code, or other critical data.
• Access Time: With an access time of 90 nanoseconds, the 27C4000PC90 provides quick data retrieval, enhancing the performance of the systems it is integrated into.
• Programming: It features a straightforward programming procedure, which is compatible with industry-standard EPROM programmers, making it a versatile choice for a wide range of applications.
• Erasable: The chip is UV-erasable, meaning it can be wiped clean with exposure to ultraviolet light, allowing for reprogramming and reuse, which is both cost-effective and environmentally friendly.
• Package: It is available in a 32-pin ceramic DIP (Dual In-line Package), which is known for its durability and ease of handling during the assembly process.
• Extended Temperature Range: The device operates over an extended temperature range, making it suitable for use in environments with varying temperature conditions.

Applications

The versatility of the 27C4000PC90 makes it an ideal choice for a variety of applications, including but not limited to:

• Embedded systems
• Telecommunications equipment
• Automotive electronics
• Industrial control systems
• Consumer electronics

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the 27C4000PC90 is no exception. It is manufactured to meet high standards, ensuring stable and reliable performance in the field. The device's longevity and ability to retain data without power make it an excellent choice for critical applications where data integrity is paramount.