The 27C128-20/SO is a high-performance, 128-Kilobit CMOS EPROM (Erasable Programmable Read-Only Memory) chip designed and manufactured by Microchip Technology. It is a crucial component used in a wide range of applications for storing firmware, boot code, or other data that requires infrequent or once-only programming.

Key Features

• Memory Size: 128K (16K x 8)
• Speed: Access time of 200 ns
• Package: 28-lead SOIC (Small Outline Integrated Circuit)
• Operating Voltage: 5V ± 10% for read and write operations
• Temperature Range: Commercial (0°C to +70°C)
• Standby Mode: Reduces power consumption when not in active use
• Programming: Supports byte mode programming for flexibility

Applications

The 27C128-20/SO EPROM is versatile and can be used in various applications such as:

• Embedded systems
• Microcontroller-based projects
• Boot ROM for computers and other electronic devices
• Storage for firmware in telecommunications equipment
• Industrial control systems

Reliability and Quality

Microchip Technology is known for its commitment to quality and reliability. The 27C128-20/SO EPROM is no exception, providing a stable and reliable solution for data storage needs. With its CMOS technology, it offers low power consumption and high endurance, making it an ideal choice for energy-sensitive applications.

Programming and Erasing

The 27C128-20/SO can be electrically programmed on a byte-by-byte basis, allowing for great flexibility in data management. It can be erased by exposing it to ultraviolet (UV) light, which makes the data storage non-volatile. After erasing, the chip can be reprogrammed, providing users with a reusable and cost-effective memory solution.

Overall, the 27C128-20/SO from Microchip Technology offers a combination of speed, reliability, and flexibility, making it an excellent choice for designers and engineers looking for a dependable memory component.