AT29C256-70PI

Product Overview

Category

AT29C256-70PI belongs to the category of non-volatile memory integrated circuits.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: 256 kilobits (32 kilobytes).
• Fast access time: 70 nanoseconds.
• Low power consumption.
• Durable and reliable.

Package

AT29C256-70PI is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT29C256-70PI lies in its ability to provide non-volatile memory storage with high capacity and fast access times, making it suitable for various electronic applications.

Packaging/Quantity

AT29C256-70PI is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 10,000 write cycles

Pin Configuration

The AT29C256-70PI has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. OE#
13. CE#
14. WE#
15. I/O0
16. I/O1
17. I/O2
18. I/O3
19. I/O4
20. I/O5
21. I/O6
22. I/O7
23. VCC
24. GND
25. NC
26. A8
27. A9
28. A11

Functional Features

• Random access memory: Allows data to be read from or written to any location within the memory.
• Byte-wise programmable: Enables individual bytes to be programmed without affecting others.
• Chip erase capability: Allows the entire memory to be erased simultaneously.
• Write protection: Provides a mechanism to protect specific memory locations from being overwritten.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even when power is turned off.
• High storage capacity: 256 kilobits allows for storing a significant amount of information.
• Fast access time: 70 nanoseconds ensures quick retrieval of data.
• Low power consumption: Helps in reducing overall energy usage.
• Durable and reliable: Designed to withstand harsh environmental conditions.

Disadvantages

• Limited endurance: The memory has a finite number of write cycles before it may start to degrade.
• Relatively small storage capacity compared to modern memory technologies.

Working Principles

AT29C256-70PI utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electric charges within floating gate transistors. These charges can be manipulated through electrical signals to represent binary values (0s and 1s). The stored data can be accessed and modified using appropriate control signals.

Detailed Application Field Plans

AT29C256-70PI finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to AT29C256-70PI that offer similar functionality include: - AT28C256 - 27C256 - M27C256B - W27C256

These models may have slight variations in specifications, pin configuration, or package type, but they serve the same purpose of non-volatile memory storage.

In conclusion, AT29C256-70PI is a non-volatile memory integrated circuit with a capacity of 256 kilobits. It offers fast access times, low power consumption, and durability. Its applications span across various electronic fields, making it a versatile choice for storing digital information.