AT27C1024-45VC

Product Overview

Category

AT27C1024-45VC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C1024-45VC has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: With a speed of 45 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: The chip operates efficiently with minimal power requirements.

Package

The AT27C1024-45VC is available in a 40-pin DIP (Dual In-line Package) format. This package type ensures easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to store large amounts of data reliably and securely, while allowing for fast access times.

Packaging/Quantity

The AT27C1024-45VC is typically packaged individually or in reels, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 25 or more.

Specifications

• Memory Type: PROM (Programmable Read-Only Memory)
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 45 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 40-pin DIP

Detailed Pin Configuration

The AT27C1024-45VC features a 40-pin configuration with the following pin functions:

1. A0-A16: Address Inputs
2. CE: Chip Enable
3. OE: Output Enable
4. WE: Write Enable
5. VCC: Power Supply
6. GND: Ground 7-34. Data I/O: Bidirectional Data Pins 35-40. NC: No Connection

Functional Features

• Non-volatile storage: The AT27C1024-45VC retains data even when power is disconnected.
• High-speed access: With an access time of 45 nanoseconds, it allows for quick retrieval of stored information.
• Easy integration: The 40-pin DIP package facilitates seamless integration into various electronic systems.
• Low power consumption: The chip operates efficiently with minimal power requirements.

Advantages and Disadvantages

Advantages

• Reliable and secure data storage
• Fast access times
• Easy integration into electronic systems
• Low power consumption

Disadvantages

• Data cannot be modified or erased once programmed
• Limited storage capacity compared to other memory technologies

Working Principles

The AT27C1024-45VC utilizes a one-time programmable memory technology. During the programming process, electrical charges are applied to specific memory cells, permanently storing the desired data. Once programmed, the data remains intact and cannot be modified or erased.

Detailed Application Field Plans

The AT27C1024-45VC 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 AT27C1024-45VC include: 1. AT28C256-15PU: 256 kilobit (32 kilobyte) EEPROM chip with a 150 nanosecond access time. 2. AM29F040B-90JC: 4 megabit (512 kilobyte) Flash memory chip with a 90 nanosecond access time. 3. M27C256B-12F1: 256 kilobit (32 kilobyte) EPROM chip with a 120 nanosecond access time.

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

In conclusion, the AT27C1024-45VC is a programmable read-only memory chip that provides reliable and secure non-volatile data storage. With its high capacity, fast access times, and low power consumption, it finds applications in various fields such as embedded systems, automotive electronics, and industrial control systems. While it has limitations in terms of data modification and erasure, alternative models with different specifications are available to cater to diverse application needs.