AT29C512-90PI

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AT29C512-90PI

IC FLASH 512KBIT PARALLEL 32DIP

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Thông số kỹ thuật

Part Status Obsolete
DigiKey Programmable Not Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH
Memory Size 512Kbit
Memory Organization 64K x 8
Memory Interface Parallel
Write Cycle Time - Word, Page 10ms
Access Time 90 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Mounting Type Through Hole
Package / Case 32-DIP (0.600", 15.24mm)
Supplier Device Package 32-PDIP
Base Product Number AT29C512

Tổng quan

Description

The AT29C512-90PI is a 512 Kbit (64 K x 8) Flash memory chip manufactured by Atmel (now part of Microchip Technology). It is designed for high-performance applications, featuring a dual in-line package (DIP) form factor. The chip is non-volatile, meaning it retains data even when power is turned off.
Key attributes include a maximum access time of 90 nanoseconds, allowing for quick read operations, and the ability to be reprogrammed and erased in blocks or as a whole. It supports both byte and word programming modes, facilitating data storage flexibility.
The AT29C512-90PI is commonly used in embedded systems, telecommunications, and consumer electronics, where reliable data storage and retrieval are essential. It operates on a single power supply, typically 5V, and features a standard parallel interface for easy integration into various circuits.

Package

The AT29C512-90PI is packaged in a 32-pin DIP (Dual In-line Package) form factor.

Pinout

The AT29C512-90PI is a 512 Kbit (64 K x 8) Flash memory device with a pin count of 32. It features a dual in-line package (DIP) configuration. The primary functions of the pins are as follows:
1. Address Pins (A0-A15): Used to select one of the 64K memory locations.
2. Data Pins (D0-D7): Bidirectional data bus for reading and writing data.
3. Chip Enable (CE): Activates the memory chip.
4. Output Enable (OE): Enables data output from the memory.
5. Write Enable (WE): Controls the writing of data into the memory.
6. Reset (RESET): Resets the memory to a known state.
7. Vcc: Power supply pin.
8. GND: Ground pin.
This device is used in various applications requiring non-volatile storage such as in embedded systems.

Manufacturer

The AT29C512-90PI is manufactured by Atmel Corporation, which is a semiconductor company known for producing a wide range of microcontrollers, memory devices, and other integrated circuits. Atmel, founded in 1984, specializes in non-volatile memory solutions, including Flash memory and EEPROM devices, as well as various microcontrollers. The company has been particularly recognized for its contributions to embedded systems and the Internet of Things (IoT) applications. In 2016, Atmel was acquired by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors, further expanding its portfolio and market reach.

Application

The AT29C512-90PI is a 512 Kbit (64 Kbyte) EEPROM used in a variety of applications, including:
1. Embedded Systems: Firmware storage for microcontrollers.
2. Consumer Electronics: Settings and preferences storage in devices like TVs and cameras.
3. Telecommunication: Configuration data in networking equipment.
4. Industrial Automation: Program and calibration data in control systems.
5. Automotive: Storing parameters and fault codes in automotive ECUs.
Its reprogrammable nature makes it suitable for applications requiring frequent updates.

Equivalent

The AT29C512-90PI is a 512 Kbit (64 KB) EEPROM. Equivalent products include:
1. Microchip Technology 25AA512
2. Winbond W25X512
3. STMicroelectronics M25P512
4. AMIC A25L512
5. Macronix MX25L512
Check the specific electrical characteristics and programming methods for compatibility before substituting.

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