AT28HC64BF-12PU

Product Overview

Category

AT28HC64BF-12PU belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28HC64BF-12PU has a storage capacity of 64 kilobits.
• Fast access time: It operates at a speed of 120 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Durable: It can withstand multiple read and write cycles without degradation.

Package

The AT28HC64BF-12PU is available in a plastic dual in-line package (PDIP).

Essence

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

Packaging/Quantity

The AT28HC64BF-12PU is typically packaged in tubes or trays, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Organization: 8K x 8 bits
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 1,000,000 write cycles

Detailed Pin Configuration

The AT28HC64BF-12PU has a total of 28 pins, which are assigned specific functions. Here is the 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. A8 - Address Input
11. CE - Chip Enable
12. OE - Output Enable
13. WE - Write Enable
14. I/O0 - Data Input/Output
15. I/O1 - Data Input/Output
16. I/O2 - Data Input/Output
17. I/O3 - Data Input/Output
18. I/O4 - Data Input/Output
19. I/O5 - Data Input/Output
20. I/O6 - Data Input/Output
21. I/O7 - Data Input/Output
22. NC - No Connection
23. GND - Ground
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Random Access: The AT28HC64BF-12PU allows for direct access to any memory location.
• Byte-Level Read/Write: It supports byte-level read and write operations.
• Hardware Data Protection: The device features a hardware protection mechanism to prevent accidental writes.
• High-Speed Operation: With a fast access time of 120 nanoseconds, it enables efficient data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing a significant amount of information.
• Low power consumption makes it suitable for battery-powered devices.
• Durable design withstands frequent read and write cycles.

Disadvantages

• Relatively slower access time compared to some other memory technologies.
• Limited endurance with a maximum of 1,000,000 write cycles.

Working Principles

The AT28HC64BF-12PU utilizes EEPROM technology to store data. It consists of a grid of memory cells, each capable of holding one bit of information. The data is stored by electrically charging or discharging the cells. Reading the data involves detecting the charge state of each cell.

Detailed Application Field Plans

The AT28HC64BF-12PU finds applications in various electronic devices that require non-volatile storage, such as: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C64B-15PU: Similar to AT28HC64BF-12PU but operates at a speed of 150 nanoseconds.
2. AT28HC64B-12SU: Surface mount version of AT28HC64BF-12PU with the same specifications.
3. AT28HC64B-15SI: Smaller package variant of AT28HC64BF-12PU with a speed of 150 nanoseconds.

These alternative models offer similar functionality and can be used as replacements for the AT28HC