AT29C256-90TC

Product Overview

Category

AT29C256-90TC 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: Operates at a speed of 90 nanoseconds.
• Low power consumption: Designed to minimize energy usage.
• Reliable: Offers high endurance and data retention capabilities.

Package

AT29C256-90TC is available in a Thin Small Outline Package (TSOP) format.

Essence

The essence of AT29C256-90TC lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity and quick access.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT29C256-90TC chips.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum

Detailed Pin Configuration

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. A3: Address Input
5. A4: Address Input
6. A5: Address Input
7. A6: Address Input
8. A7: Address Input
9. A8: Address Input
10. A9: Address Input
11. A10: Address Input
12. A11: Address Input
13. A12: Address Input
14. A13: Address Input
15. A14: Address Input
16. A15: Address Input
17. /OE: Output Enable
18. /WE: Write Enable
19. /CE: Chip Enable
20. VCC: Power Supply
21. GND: Ground
22. DQ0: Data Input/Output
23. DQ1: Data Input/Output
24. DQ2: Data Input/Output
25. DQ3: Data Input/Output
26. DQ4: Data Input/Output
27. DQ5: Data Input/Output
28. DQ6: Data Input/Output
29. DQ7: Data Input/Output

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.
• Sector erase capability: Supports erasing of entire sectors for efficient memory management.
• Hardware and software protection: Provides mechanisms to protect data from unauthorized access or modification.
• Low power consumption: Designed to minimize energy usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Fast access time allows for quick retrieval of information.
• High endurance and reliability ensure long-term usability.
• Byte-wise programmability offers flexibility in data manipulation.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory solutions.
• Higher cost per bit compared to larger capacity memory chips.

Working Principles

AT29C256-90TC utilizes a combination of electronic circuits and semiconductor technology to store and retrieve digital information. It employs a floating-gate transistor structure that allows for non-volatile storage of data. The memory cells are organized in an array, with each cell capable of storing one bit of information. The address inputs select the desired memory location, and the data inputs/outputs facilitate reading or writing operations.

Detailed Application Field Plans

AT29C256-90TC finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a slower access time of 150 nanoseconds.
2. AT29C512-70PC: Higher capacity (512 kilobits) with a slower access time of 70 nanoseconds.
3. AT29C010A-12JC: Lower capacity (128 kilobits) with a faster access time of 120 nanoseconds.

These alternative models offer different combinations of capacity, access time, and package options to suit specific application requirements.

In conclusion, AT29C256-90TC is a reliable and non