AT27C512R-45PI

Product Overview

Category

AT27C512R-45PI belongs to the category of programmable read-only memory (PROM) chips.

Use

It is primarily used for storing data that needs to be permanently written and cannot be modified or erased.

Characteristics

• Non-volatile: The stored data remains intact even when power is turned off.
• High storage capacity: The AT27C512R-45PI has a capacity of 512 kilobits, allowing it to store a large amount of data.
• Fast access time: It has a fast access time of 45 nanoseconds, enabling quick retrieval of data.
• Low power consumption: The chip operates on low power, making it energy-efficient.

Package

The AT27C512R-45PI comes in a plastic integrated circuit package.

Essence

The essence of this product lies in its ability to provide non-volatile storage for data that needs to be permanently stored and accessed quickly.

Packaging/Quantity

The AT27C512R-45PI is typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Capacity: 512 kilobits
• Access Time: 45 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: Plastic Integrated Circuit

Detailed Pin Configuration

The AT27C512R-45PI has a total of 28 pins, which are configured as follows:

1. A0-A16: Address Inputs
2. CE: Chip Enable Input
3. OE: Output Enable Input
4. WE: Write Enable Input
5. VCC: Power Supply
6. GND: Ground
7. DQ0-DQ7: Data Input/Output

Functional Features

• Non-volatile storage: The AT27C512R-45PI retains data even when power is turned off.
• Fast access time: It allows for quick retrieval of stored data.
• Easy integration: The chip can be easily integrated into existing electronic systems.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Non-volatile storage
• Low power consumption

Disadvantages

• Data cannot be modified or erased once programmed
• Limited write cycles

Working Principles

The AT27C512R-45PI uses a technology called electrically programmable read-only memory (EPROM). It consists of a grid of memory cells that can be individually programmed with data. Once programmed, the data remains intact even when power is turned off. The chip utilizes a combination of address inputs, control inputs, and data inputs/outputs to read and write data.

Detailed Application Field Plans

The AT27C512R-45PI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT27C512R-45PI include: 1. AT28C64B-15PU: 64 kilobit PROM chip with a 150 nanosecond access time. 2. AM29F040B-90JC: 4 megabit flash memory chip with a 90 nanosecond access time. 3. M27C256B-12F6: 256 kilobit EPROM chip with a 120 nanosecond access time.

These alternative models offer different capacities, access times, and features to suit specific application requirements.

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