Microchip Technology, Inc. Memory AT27C2048-90PC

The AT27C2048-90PC is a 2,097,152-bit one-time programmable read-only memory (OTP EPROM) organized as 128K x 16 bits. It operates with a single 5V power supply and features a fast read access time of 90 ns. The device is designed for low power consumption, with a maximum standby current of 100 µA and an active current of 35 mA at 5 MHz. This memory chip is available in standard JEDEC packages, including a 40-lead PDIP, 44-lead PLCC, and 40-lead VSOP. It is compatible with both CMOS and TTL logic levels, making it suitable for a variety of applications. The AT27C2048 supports a rapid programming algorithm, allowing for programming times of approximately 50 µs per word. The device is built using high-reliability CMOS technology, offering 2,000V ESD protection and 200 mA latchup immunity. It is available in commercial and industrial temperature ranges, making it versatile for different operating environments. The integrated product identification code aids in device identification during programming. This memory solution is ideal for high-performance microprocessor systems requiring reliable firmware storage without the delays associated with mass storage media.