AT29C256-90JC-T

Product Overview

Category

AT29C256-90JC-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 AT29C256-90JC-T retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: The device offers a fast access time of 90 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT29C256-90JC-T comes in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

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

Packaging/Quantity

The AT29C256-90JC-T is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Memory Type: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Organization: 32 kilobytes x 8 bits
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 100,000 erase/write cycles

Detailed Pin Configuration

The AT29C256-90JC-T has a total of 32 pins, which are assigned specific functions as follows:

1. A16: Address Input
2. A15: 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. /OE: Output Enable
13. /WE: Write Enable
14. /CE: Chip Enable
15. VCC: Power Supply
16. DQ0: Data Input/Output
17. DQ1: Data Input/Output
18. DQ2: Data Input/Output
19. DQ3: Data Input/Output
20. DQ4: Data Input/Output
21. DQ5: Data Input/Output
22. DQ6: Data Input/Output
23. DQ7: Data Input/Output
24. /RP: Ready/Busy Output
25. /WP: Write Protect
26. VSS: Ground
27. NC: No Connection
28. A14: Address Input
29. A13: Address Input
30. A8: Address Input
31. A9: Address Input
32. A11: Address Input

Functional Features

The AT29C256-90JC-T offers the following functional features:

• Byte-wise programmability: The device allows individual bytes to be programmed or erased.
• Sector erase capability: It supports sector erase operations, enabling efficient memory management.
• Hardware and software data protection: The chip provides mechanisms to protect stored data from accidental modification.
• High-speed operation: With a fast access time of 90 nanoseconds, it facilitates quick data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing substantial amounts of digital information.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited endurance of 100,000 erase/write cycles.
• Relatively higher cost compared to other memory technologies.

Working Principles

The AT29C256-90JC-T utilizes EEPROM technology for data storage. It employs a combination of electrical signals and charge trapping mechanisms to store and retrieve digital information. The device can be programmed or erased using specific voltage levels applied to the control pins.

Detailed Application Field Plans

The AT29C256-90JC-T finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT29C256-90JC-T include: - AT28C256-15PU: 256 kilobit EEPROM with a slower access time of 150 nanoseconds. - AT25SF041-SSHD-T: 4 megabit Serial Flash memory with a smaller package size. - M27C256B-12F1: 256 kilobit EPROM with a