AT27C1024-55VC

Product Overview

Category

AT27C1024-55VC belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip 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 AT27C1024-55VC has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: With a maximum access time of 55 nanoseconds, it provides quick retrieval of data.
• Low power consumption: The chip operates at low power levels, making it suitable for battery-powered devices.

Package

The AT27C1024-55VC is available in a 40-pin DIP (Dual Inline Package) format.

Essence

The essence of this PROM chip lies in its ability to store data permanently, ensuring reliable and secure data storage.

Packaging/Quantity

The AT27C1024-55VC is typically packaged individually and sold as a single unit.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 55 nanoseconds (max)
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 40-pin DIP

Detailed Pin Configuration

The AT27C1024-55VC chip has a total of 40 pins. Here is the detailed pin configuration:

1. A0-A16: Address Inputs
2. Q0-Q7: Data Outputs
3. VCC: Power Supply (+5V)
4. GND: Ground (0V)
5. OE: Output Enable
6. CE: Chip Enable
7. WE: Write Enable
8. NC: No Connection

Functional Features

• Non-volatile storage of data
• High storage capacity
• Fast access time for quick retrieval
• Low power consumption
• Easy integration into existing systems
• Reliable and secure data storage

Advantages and Disadvantages

Advantages

• Permanent data storage
• High storage capacity
• Fast access time
• Low power consumption
• Reliable and secure data storage

Disadvantages

• Data cannot be modified or erased once programmed
• Limited flexibility compared to other memory types

Working Principles

The AT27C1024-55VC operates on the principle of electrical programming. Once programmed, the stored data remains intact even when power is removed. The chip uses a combination of address inputs, data outputs, and control signals to read the stored data.

Detailed Application Field Plans

The AT27C1024-55VC finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
2. Automotive Electronics: Employed for storing critical data in automotive systems such as engine control units (ECUs) and infotainment systems.
3. Industrial Control Systems: Utilized for storing configuration data and program code in industrial automation systems.
4. Medical Devices: Used for non-volatile storage of patient data and device settings in medical equipment.
5. Consumer Electronics: Employed in devices like gaming consoles, set-top boxes, and digital cameras for firmware storage.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: 64 kilobit (8 kilobyte) parallel 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 similar functionality and can be considered as alternatives to the AT27C1024-55VC depending on specific requirements.

In conclusion, the AT27C1024-55VC is a programmable read-only memory chip that provides permanent data storage with high capacity, fast access time, and low power consumption. It finds applications in various fields and has alternative models available for different needs.