AT28HC64BF-12JU-T

Product Overview

Category

AT28HC64BF-12JU-T 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 AT28HC64BF-12JU-T offers fast read and write operations, making it suitable for applications that require quick access to data.
• Low-power consumption: This EEPROM chip is designed to minimize power usage, making it ideal for battery-powered devices.
• Large storage capacity: With a capacity of 64 kilobits (8 kilobytes), this chip can store a significant amount of data.
• Reliable data retention: The AT28HC64BF-12JU-T ensures data integrity with a guaranteed minimum retention time of 10 years.

Package

The AT28HC64BF-12JU-T comes in a small form factor JEDEC-standard 32-lead PLCC (Plastic Leaded Chip Carrier) package. This package provides mechanical protection and facilitates easy integration into circuit boards.

Essence

The essence of the AT28HC64BF-12JU-T lies in its ability to provide non-volatile memory storage with high-speed operation, low-power consumption, and reliable data retention.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28HC64BF-12JU-T chips. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Operating voltage: 2.7V to 5.5V
• Access time: 120ns
• Standby current: 10µA (max)
• Operating temperature range: -40°C to +85°C
• Endurance: 100,000 write cycles
• Data retention: 10 years

Detailed Pin Configuration

The AT28HC64BF-12JU-T has a total of 32 pins. The pin configuration is as follows:

1. A14
2. VCC
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. I/O0
13. I/O1
14. I/O2
15. I/O3
16. GND
17. WE/VPP
18. CE
19. OE
20. NC
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. A8
26. A9
27. A11
28. A10
29. NC
30. NC
31. NC
32. NC

Functional Features

• High-speed operation allows for quick access to stored data.
• Low-power consumption ensures efficient use in battery-powered devices.
• Reliable data retention guarantees the integrity of stored information.
• Easy integration into circuit boards due to the small form factor package.

Advantages and Disadvantages

Advantages

• Fast read and write operations
• Low power consumption
• Large storage capacity
• Reliable data retention

Disadvantages

• Limited endurance (100,000 write cycles)
• Requires an external power supply

Working Principles

The AT28HC64BF-12JU-T 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. This change allows for the storage of binary information. When data is read, the transistor's behavior is analyzed to determine the stored information.

Detailed Application Field Plans

The AT28HC64BF-12JU-T finds applications in various electronic devices that require non-volatile memory storage. Some common application fields include:

1. Consumer electronics: Used in digital cameras, smartphones, and portable media players for storing user data and firmware.
2. Automotive systems: Employed in car audio systems, navigation systems, and engine control units for data storage and retrieval.
3. Industrial automation: Utilized in programmable logic controllers (PLCs) and industrial control systems for storing configuration data and program code.
4. Medical devices: Integrated into medical equipment such as patient monitors and diagnostic devices for storing critical data and settings.

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to AT28HC64BF-12JU-T but operates at a slower speed (150ns).
2. AT28HC256-90PU: Offers higher