The TD27C256-200V10, also known as LD27C256, is a high-speed, low-power 256K-bit CMOS EPROM (Erasable Programmable Read-Only Memory) manufactured by Intel. This memory chip is designed for applications requiring non-volatile storage and fast access times.
Applications:
- Embedded Systems: Storing firmware and boot code in embedded systems.
- Industrial Control Systems: Storing configuration data and control programs in industrial equipment.
- Instrumentation: Storing calibration data and program code in test and measurement instruments.
- Automotive Electronics: Used for storing code in car entertainment and control systems (typically in older vehicles or specialized applications).
- Aerospace Applications: Flight control systems.
Features:
- 256K-bit Capacity: Provides 262,144 bits of non-volatile storage.
- CMOS Technology: Offers low power consumption.
- Fast Access Time: 200ns access time ensures quick data retrieval.
- Erasable and Reprogrammable: Can be erased using UV light and reprogrammed multiple times.
- Single 5V Power Supply: Operates on a single 5-volt power supply.
- Three-State Output: Allows for easy memory expansion.
Benefits:
- Non-Volatile Storage: Retains data even when power is removed.
- Low Power Consumption: Suitable for battery-powered applications.
- Fast Data Access: Enables quick execution of program code.
- Flexibility: Erasable and reprogrammable for easy updates and modifications.
- Easy Integration: Single 5V power supply simplifies system design.
- Reliable Performance: Ensures stable and dependable operation.
Technical Specifications:
The TD27C256-200V10's technical specifications include an access time of 200ns, operating voltage of 5V, and CMOS technology. The EPROM requires a UV eraser for erasure. Consult the official Intel datasheet for complete electrical characteristics, timing diagrams, and package information. Programming is typically done using a dedicated EPROM programmer.
Note: This EPROM is an older technology and has largely been replaced by EEPROMs and flash memory in many modern applications due to the convenience of electrical erasure and in-system programmability.