AT29C257-15JC

Product Overview

Category

AT29C257-15JC 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: The stored data is retained even when power is removed.
• High capacity: The AT29C257-15JC has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a speed of 150 nanoseconds, allowing for quick data retrieval.
• Low power consumption: The device is designed to minimize power usage, making it suitable for battery-powered applications.

Package

The AT29C257-15JC is available in a 28-pin plastic dual in-line package (PDIP).

Essence

This product is an essential component in various electronic systems that require non-volatile memory for data storage.

Packaging/Quantity

The AT29C257-15JC is typically packaged in reels or tubes, with each 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: 150 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT29C257-15JC has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. A16 - Address Input
2. A14 - Address Input
3. A12 - Address Input
4. A7 - Address Input
5. A6 - Address Input
6. A5 - Address Input
7. A4 - Address Input
8. A3 - Address Input
9. A2 - Address Input
10. A1 - Address Input
11. A0 - Address Input
12. VCC - Power Supply
13. OE - Output Enable
14. CE - Chip Enable
15. WE - Write Enable
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. NC - No Connection
25. GND - Ground
26. A8 - Address Input
27. A9 - Address Input
28. A11 - Address Input

Functional Features

• Random Access: The AT29C257-15JC allows for random access to any memory location, enabling efficient data retrieval.
• High-Speed Operation: With an access time of 150 nanoseconds, this device ensures fast read and write operations.
• Low Power Consumption: The integrated circuit is designed to minimize power consumption, making it suitable for battery-powered devices.
• Data Protection: The chip features a write protection mechanism that prevents accidental modification or erasure of stored data.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life.
• Write protection mechanism safeguards data integrity.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory devices.
• Higher cost per unit compared to certain alternative memory options.

Working Principles

The AT29C257-15JC utilizes a technology called Electrically Erasable Programmable Read-Only Memory (EEPROM). It stores data using electrically isolated memory cells that can be individually programmed or erased. The device operates by applying specific voltage levels to the address and control pins, allowing for read, write, and erase operations.

Detailed Application Field Plans

The AT29C257-15JC finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C256: Similar to AT29C257-15JC, but with a lower access time of 100 nanoseconds.
2. AT49BV256: Flash memory alternative with higher storage capacity and faster access times.
3. M27C256B: EPROM alternative with similar storage capacity but slower access times.

These alternative models offer different specifications and features, providing options based on specific application requirements.

In conclusion, the AT29C257-15JC is a non-volatile memory integrated circuit with