AT28LV64B-25PC

Product Overview

Category

AT28LV64B-25PC belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for storing and retrieving data. It serves as a non-volatile memory component.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28LV64B-25PC has a storage capacity of 64 kilobits.
• Low power consumption: This IC operates on low power, making it suitable for battery-powered devices.
• Fast access time: The AT28LV64B-25PC offers quick data retrieval with a maximum access time of 250 nanoseconds.

Package

The AT28LV64B-25PC is available in a 28-pin plastic dual in-line package (PDIP). This package provides easy integration into circuit boards.

Essence

The essence of the AT28LV64B-25PC lies in its ability to store and retrieve data reliably, making it an essential component in various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a quantity of 1000 units per package.

Specifications

• Memory Type: Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Organization: 8K x 8 bits
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28LV64B-25PC has a total of 28 pins, each serving a specific function. 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. VSS - Ground
10. CE - Chip Enable
11. OE - Output 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. NC - No Connection
23. NC - No Connection
24. VCC - Supply Voltage
25. RP - Reset/Programming Voltage
26. WP - Write Protect
27. NC - No Connection
28. NC - No Connection

Functional Features

The AT28LV64B-25PC offers the following functional features:

• Byte-wise Read and Write Operations: Allows for efficient data manipulation.
• Hardware Data Protection: The write protect pin (WP) ensures data integrity by preventing accidental writes.
• Software Data Protection: The chip enable pin (CE) can be used to disable write operations, further protecting the stored data.
• High-Speed Operation: With a maximum access time of 250 nanoseconds, this IC enables fast data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time allows for quick data retrieval.

Disadvantages

• Limited endurance of 100,000 write cycles.
• Requires external programming voltage (RP) for certain operations.

Working Principles

The AT28LV64B-25PC operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It utilizes a combination of transistors and floating gate technology to store and retrieve data. When a specific address is accessed, the stored data is read or written using appropriate control signals.

Detailed Application Field Plans

The AT28LV64B-25PC finds applications in various electronic devices that require non-volatile memory. Some of the common application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and handheld gaming devices 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 Control Systems: Integrated into programmable logic controllers (PLCs), industrial automation equipment, and robotics for storing configuration data and program code.
4. Medical Devices: Utilized in medical instruments and monitoring devices for storing patient data and device