AT27C1024-45JU-T

Product Overview

Category

AT27C1024-45JU-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The AT27C1024-45JU-T retains stored data even when power is removed.
• High capacity: It has a storage capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: The device offers a fast access time of 45 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT27C1024-45JU-T is available in a standard 32-pin plastic J-lead chip carrier (PLCC) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT27C1024-45JU-T is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

• Memory Type: EPROM (Erasable Programmable Read-Only Memory)
• Organization: 128K x 8 bits
• Supply Voltage: 5V
• Access Time: 45 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Programming Time: 100 µs/byte (typical)

Detailed Pin Configuration

The AT27C1024-45JU-T has a total of 32 pins. Here is the detailed pin configuration:

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. /OE (Output Enable)
12. VPP (Programming Voltage)
13. A8
14. A9
15. A11
16. A10
17. /CE (Chip Enable)
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. VCC (Power Supply)
27. /WE (Write Enable)
28. NC (No Connection)
29. NC
30. NC
31. GND (Ground)
32. NC

Functional Features

• Easy integration: The AT27C1024-45JU-T can be easily integrated into existing electronic systems.
• High reliability: It offers reliable data storage and retrieval, ensuring the integrity of stored information.
• Versatile compatibility: The device is compatible with a wide range of microcontrollers and digital systems.
• Low power consumption: It operates at low power levels, minimizing energy consumption.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited write cycles compared to other memory technologies.
• Inability to modify stored data without erasing the entire memory.

Working Principles

The AT27C1024-45JU-T is based on EPROM technology. It utilizes a grid of floating-gate transistors to store digital information. Data is written to the memory by applying a high voltage to the programming pin (VPP) and selectively grounding the appropriate address and data pins. The stored data can be read by enabling the chip (CE) and output enable (OE) pins.

Detailed Application Field Plans

The AT27C1024-45JU-T finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Consumer electronics 5. Medical devices

Detailed and Complete Alternative Models

Some alternative models to the AT27C1024-45JU-T include: 1. AT28C256-15PU: 256K EPROM with a slower access time of 150 ns. 2. AT29C010A-12PC: 1M Flash memory with faster programming time of 10 µs/byte. 3. AM29F040B-90JC: 4M Flash memory with a larger storage capacity.

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

In conclusion, the AT27C1024-45JU-T is a non-volatile memory device that provides reliable storage for electronic systems. With its high capacity, fast access time