AT29C1024-90JI

The AT29C1024-90JI is a CMOS (Complementary Metal-Oxide-Semiconductor) programmable read-only memory (PROM) chip used for non-volatile storage of data. It features a 128K x 8-bit architecture, allowing it to store a total of 1 megabit (1024 Kbits) of information. The device is organized as 16,384 words of 8 bits each.
Key features include a fast access time of 90 nanoseconds, which enables quick data retrieval, and a single power supply requirement, allowing for simplified integration into systems. The AT29C1024 can be programmed using standard EPROM programming equipment, making it suitable for applications where data may need to be updated frequently.
It supports multiple programming modes, including byte-by-byte programming and chip erase, and features a robust data retention capability of over 20 years. The package options include DIP (Dual In-line Package) and PLCC (Plastic Leaded Chip Carrier), facilitating easy installation on circuit boards. This chip is commonly used in embedded systems, automotive applications, and consumer electronics where reliable and durable data storage is essential.

The AT29C1024-90JI is a 1 Megabit (128K x 8) CMOS Flash memory device designed for high-density applications. Key features include:
1. Access Time: 90 ns, allowing for fast data retrieval.
2. Voltage Range: Operates at 4.5V to 5.5V, compatible with standard logic levels.
3. Byte-Wide Interface: Supports single-byte or full-page programming, enhancing flexibility.
4. Sector Erase Functionality: Allows erasure of individual sectors (64Kbytes each), improving efficiency and speed.
5. Endurance: Capable of withstanding up to 10,000 program/erase cycles per sector.
6. Data Retention: Maintains data integrity for over 20 years under proper conditions.
7. Reliable Operation: Features include hardware write protection and a unique signature for easy device identification.
8. Multiple Programming Modes: Supports parallel or serial programming options.
This device is ideal for applications requiring non-volatile storage, such as in telecommunications, automotive, and consumer electronics.

The AT29C1024-90JI is packaged in a 32-pin Thin Dual In-line Package (TDIP) configuration.

The AT29C1024-90JI is a 128K x 8 (1 Megabit) CMOS Flash memory chip with a total of 32 pins.
Pin Functions:
1. A0-A16: Address inputs for accessing memory locations.
2. DQ0-DQ7: Data input/output lines for reading and writing data.
3. CE: Chip Enable, activates the chip when low.
4. OE: Output Enable, allows data to be read when low.
5. WE: Write Enable, initiates a write operation when low.
6. BYTE: It selects between byte (8 bits) and word (16 bits) modes.
7. Vcc: Power supply pin (typically +5V).
8. GND: Ground pin.
9. RESET: Resets the device to a known state.
10. Vpp: Programming voltage pin (for programming operations).
The chip is used in applications requiring non-volatile memory storage, such as firmware and data storage in consumer electronics.

The AT29C1024-90JI is manufactured by Atmel Corporation, which is now part of Microchip Technology Inc. Atmel was known for its semiconductor products, particularly in the field of non-volatile memory, microcontrollers, and other integrated circuits. The AT29C1024 is a flash memory device, specifically a 1 Megabit (128 K x 8) EEPROM. Microchip Technology Inc., its parent company, specializes in microcontroller and analog semiconductor products and serves a wide range of industries, including automotive, industrial, and consumer electronics.

The AT29C1024-90JI is a 1 Megabit (128KB) EEPROM used in various applications including firmware storage in embedded systems, programmable logic devices, telecommunications, automotive electronics, and consumer electronics. Its non-volatile memory enables data retention without power, making it suitable for applications requiring data integrity and reprogrammability, such as BIOS storage, configuration settings, and code storage in microcontrollers.

The AT29C1024-90JI is a 1 Mbit (128K x 8) EEPROM. Equivalent products include the AM29F010, MX29F010, and M29F010, which are also 1 Mbit Flash memories. Other compatible options might include various manufacturers' EEPROMs or Flash chips with similar specifications, such as those from Intel or Microchip, but ensure to verify pin compatibility and electrical characteristics before substitution.