AT27C1024-70PI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C1024-70PI is a high-performance, low-power, 1-megabit (128K x 8) electrically erasable programmable read-only memory (EEPROM). It is commonly used in various electronic devices for storing non-volatile data.

Characteristics: - High performance: The AT27C1024-70PI offers fast access times and reliable operation. - Low power consumption: It operates at a low voltage, making it suitable for battery-powered devices. - Large storage capacity: With a capacity of 1 megabit, it can store a significant amount of data. - Electrically erasable: The EEPROM can be erased and reprogrammed electrically, eliminating the need for UV light exposure.

Package: The AT27C1024-70PI is available in a 40-pin DIP (Dual In-line Package) format. This package provides easy integration into circuit boards and allows for efficient heat dissipation.

Essence: The essence of the AT27C1024-70PI lies in its ability to provide non-volatile storage for electronic devices, ensuring that important data is retained even when power is disconnected.

Packaging/Quantity: The AT27C1024-70PI is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 5V
• Access Time: 70ns
• Organization: 128K x 8 bits
• Erase/Write Cycle Endurance: 10,000 cycles
• Data Retention: 20 years
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT27C1024-70PI has a total of 40 pins. The pin configuration is as follows:

Pin Name Description 1 A0-A16 Address Inputs 2 CE Chip Enable 3 OE Output Enable 4 WE Write Enable 5 I/O0 Data Input/Output 0 6 I/O1 Data Input/Output 1 ... 39 VCC Power Supply 40 GND Ground

Functional Features

• High-speed access: The AT27C1024-70PI offers fast read and write operations, allowing for efficient data retrieval and storage.
• Easy integration: The IC can be easily integrated into existing circuit designs due to its standard pin configuration and package format.
• Reliable performance: With a high endurance of 10,000 erase/write cycles and a long data retention period of 20 years, the AT27C1024-70PI ensures reliable operation over an extended period.

Advantages and Disadvantages

Advantages: - Large storage capacity - Low power consumption - Electrically erasable and reprogrammable - Fast access times - Easy integration into circuit designs

Disadvantages: - Limited endurance (10,000 erase/write cycles) - Relatively higher cost compared to other memory technologies

Working Principles

The AT27C1024-70PI utilizes EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed or erased. When a specific address is accessed, the corresponding data is retrieved from or written to the memory cell. The chip enable (CE), output enable (OE), and write enable (WE) signals control the read and write operations.

Detailed Application Field Plans

The AT27C1024-70PI finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Industrial control systems

Its non-volatile storage capability makes it suitable for applications where data retention is crucial, such as storing firmware, configuration settings, and calibration data.

Detailed and Complete Alternative Models

Some alternative models to the AT27C1024-70PI include: - AT28C256-15PU: 256K (32K x 8) EEPROM with a 150ns access time. - AT29C010A-12PC: 1-megabit (128K x 8) Flash memory with a 120ns access time. - AT49BV1614T-90CI: 16-megabit (2M x 8) Flash memory with a 90ns access time.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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