AT28BV64B-20SU

Product Overview

Category

AT28BV64B-20SU belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The data stored in AT28BV64B-20SU is retained even when power is removed.
• High capacity: It has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Fast access time: The device offers quick access to stored data.

Package

AT28BV64B-20SU is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AT28BV64B-20SU lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of AT28BV64B-20SU chips.

Specifications

• Operating voltage: 2.7V - 3.6V
• Access time: 200ns
• Organization: 8K x 8 bits
• Interface: Parallel
• Erase/write cycles: 10,000 minimum
• Data retention: 20 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. VCC - Power supply
10. OE - Output enable
11. CE - Chip enable
12. WE - Write enable
13. I/O0 - Data input/output
14. I/O1 - Data input/output
15. I/O2 - Data input/output
16. I/O3 - Data input/output
17. I/O4 - Data input/output
18. I/O5 - Data input/output
19. I/O6 - Data input/output
20. I/O7 - Data input/output
21. NC - No connection
22. GND - Ground

Functional Features

• Byte-wise programmable: AT28BV64B-20SU allows individual bytes to be programmed or erased.
• Hardware and software data protection: It provides mechanisms to protect stored data from accidental modification.
• Fast write operation: The device supports fast write operations, reducing the time required for data storage.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption extends battery life.
• Quick access time enhances system performance.

Disadvantages

• Limited erase/write cycles may restrict certain applications requiring frequent data modifications.
• Parallel interface may not be suitable for all systems.

Working Principles

AT28BV64B-20SU utilizes a combination of electronic circuits and memory cells to store and retrieve data. When powered on, the device allows data to be read or written based on the control signals received through its pins.

Detailed Application Field Plans

AT28BV64B-20SU finds application in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar non-volatile memory device with a lower access time of 150ns.
2. AT28HC64B-12PC: Higher endurance version with 100,000 erase/write cycles.
3. AT28LV64B-20JI: Low-voltage variant operating at 1.8V - 2.7V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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