AT29C257-12JC

Product Overview

Category

AT29C257-12JC belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for storing and retrieving digital information.

Characteristics

• Non-volatile memory: The AT29C257-12JC retains stored data even when power is turned off.
• High storage capacity: This IC has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 120 nanoseconds, allowing for quick data retrieval.
• Low power consumption: The AT29C257-12JC is designed to consume minimal power during operation.

Package

The AT29C257-12JC is available in a 32-pin plastic J-lead chip carrier (PLCC) package.

Essence

This IC is essential for data storage and retrieval in various electronic devices.

Packaging/Quantity

The AT29C257-12JC is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

• Memory Type: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Organization: 32K x 8 bits
• Supply Voltage: 5V
• Access Time: 120 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT29C257-12JC has a total of 32 pins. Here is the detailed pin configuration:

1. A16
2. A15
3. A14
4. A13
5. A12
6. A11
7. A10
8. A9
9. A8
10. VCC
11. OE#
12. CE#
13. WE#
14. I/O0
15. I/O1
16. I/O2
17. I/O3
18. I/O4
19. I/O5
20. I/O6
21. I/O7
22. A0
23. A1
24. A2
25. A3
26. A4
27. A5
28. A6
29. A7
30. NC
31. GND
32. NC

Functional Features

• Byte-wide operations: The AT29C257-12JC allows for byte-level read and write operations.
• Chip enable and output enable control: CE# and OE# pins are used to control the chip's operation.
• Write protection: The IC features a write enable (WE#) pin that can be used to protect data from accidental writes.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Relatively slower access time compared to some modern memory solutions.

Working Principles

The AT29C257-12JC operates based on the principles of EEPROM technology. It uses electrically controlled floating gate transistors to store and retrieve digital information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be erased by applying electrical pulses, allowing new data to be written.

Detailed Application Field Plans

The AT29C257-12JC finds application in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• AT29C256-12PC
• AT28C256-15PU
• AT27C256R-70PU
• AT28C256-15DM/883

These alternative models offer similar functionality and specifications to the AT29C257-12JC, providing options for different application requirements.

In conclusion, the AT29C257-12JC is a versatile integrated circuit that offers non-volatile memory storage with high capacity, fast access time, and low power consumption. Its functional features, advantages, and disadvantages make it suitable for various electronic applications, particularly in microcontrollers, embedded systems, and communication devices. Additionally, there are alternative models available in the market that provide similar capabilities.