AT28BV256-20TC

Product Overview

Category

AT28BV256-20TC belongs to the category of non-volatile memory devices.

Use

It is primarily used for data storage in various electronic systems and devices.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High capacity: The AT28BV256-20TC has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Fast access time: Provides quick access to stored data.
• Reliable: Offers high endurance and data retention capabilities.

Package

The AT28BV256-20TC is available in a Thin Small Outline Package (TSOP) format.

Essence

This product is an advanced non-volatile memory chip that enables reliable and efficient data storage in electronic systems.

Packaging/Quantity

The AT28BV256-20TC is typically packaged in reels or tubes, with each package containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Non-volatile
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 200 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT28BV256-20TC features a total of 28 pins, each serving a specific function. The pin configuration is as follows:

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. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. VCC - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Random Access: Allows for direct access to any memory location.
• Byte-Writable: Enables individual byte-level data modification.
• Erasable: Supports sector or chip erase operations.
• Low Power Consumption: Designed to operate with minimal power requirements.
• High Reliability: Offers high endurance and data retention capabilities.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for efficient data storage.
• Fast access time allows for quick retrieval of stored information.
• Low power consumption helps conserve energy in electronic systems.
• Reliable performance ensures data integrity over extended periods.

Disadvantages

• Limited storage capacity compared to other higher-capacity memory devices.
• Higher cost per kilobit compared to some alternative models.
• Limited compatibility with certain interface protocols.

Working Principles

The AT28BV256-20TC utilizes a combination of floating-gate transistors and control circuitry to store and retrieve data. When data is written, electrical charges are trapped in the floating gates of specific memory cells, representing the stored information. During read operations, the charges are sensed and converted back into digital data.

Detailed Application Field Plans

The AT28BV256-20TC finds applications in various electronic systems and devices, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar non-volatile memory chip with a capacity of 256 kilobits.
2. AT29C010A-12PC: Flash memory chip with a capacity of 1 megabit.
3. AT27C512R-70PU: One-time programmable memory chip with a capacity of 512 kilobits.
4. AT25SF041-SSHD-T: Serial flash memory chip with a capacity of 4 megabits.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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