AT28HC256E-12JU-070

Product Overview

Category

AT28HC256E-12JU-070 belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for non-volatile data storage. It allows for easy and efficient retrieval of stored information even when power is turned off.

Characteristics

• High-speed operation: The AT28HC256E-12JU-070 offers fast read and write operations, making it suitable for applications that require quick access to data.
• Low power consumption: This chip is designed to minimize power usage, making it ideal for battery-powered devices.
• Large storage capacity: With a capacity of 256 kilobits, this EEPROM chip can store a significant amount of data.
• Reliable data retention: The AT28HC256E-12JU-070 ensures data integrity with its excellent data retention capabilities.

Package

The AT28HC256E-12JU-070 comes in a compact and durable package, which protects the chip from external elements and physical damage. The package type is JEDEC SOIC-32.

Essence

The essence of the AT28HC256E-12JU-070 lies in its ability to provide reliable and efficient non-volatile data storage in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating voltage: 2.7V to 5.5V
• Access time: 120 ns
• Standby current: 10 µA (max)
• Write current: 10 mA (max)
• Data retention: 10 years (minimum)
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The AT28HC256E-12JU-070 has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. /OE (Output Enable)
18. /WE (Write Enable)
19. /CE (Chip Enable)
20. VSS (Ground)
21. DQ0
22. DQ1
23. DQ2
24. DQ3
25. DQ4
26. DQ5
27. DQ6
28. DQ7
29. NC (No Connection)
30. VCC (Power Supply)
31. /BYTE (Byte/Word Organization)
32. /WP (Write Protect)

Functional Features

• High-speed operation allows for quick access to stored data.
• Low power consumption ensures efficient use of energy in battery-powered devices.
• Reliable data retention guarantees the integrity of stored information over extended periods.
• Easy integration into various electronic systems due to its standard pin configuration and compatibility with industry standards.

Advantages and Disadvantages

Advantages

• Fast read and write operations enable efficient data retrieval and storage.
• Low power consumption prolongs battery life in portable devices.
• Large storage capacity accommodates a significant amount of data.
• Excellent data retention ensures long-term reliability.

Disadvantages

• Limited compatibility with certain older systems that may not support the chip's specifications.
• Relatively higher cost compared to other memory storage options.

Working Principles

The AT28HC256E-12JU-070 operates based on the principles of EEPROM technology. It utilizes electrically controlled floating gate transistors to store and retrieve data. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be removed or retained, allowing for data erasure and programming.

Detailed Application Field Plans

The AT28HC256E-12JU-070 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: This alternative model offers similar specifications and functionality to the AT28HC256E-12JU-070, with a slightly slower access time of 150 ns.
2. AT28HC256-90SU: This alternative model provides a faster access time of 90 ns, making it suitable for applications that require even quicker data retrieval.
3. AT28HC