CAT28LV256G25

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory
• Characteristics: High capacity, low power consumption
• Package: 28-pin DIP (Dual In-line Package)
• Essence: Flash memory
• Packaging/Quantity: Tray packaging, 100 pieces per tray

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Supply Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 70 ns
• Data Retention: 10 years
• Erase/Write Cycles: 1 million cycles

Detailed Pin Configuration

The CAT28LV256G25 has a total of 28 pins, which are assigned specific functions as follows:

1. A16: Address Input
2. A15: Address Input
3. A14: Address Input
4. A13: Address Input
5. A12: Address Input
6. A11: Address Input
7. A10: Address Input
8. A9: Address Input
9. A8: Address Input
10. A7: Address Input
11. A6: Address Input
12. A5: Address Input
13. A4: Address Input
14. A3: Address Input
15. A2: Address Input
16. A1: Address Input
17. A0: Address Input
18. /CE: Chip Enable Input
19. /OE: Output Enable Input
20. /WE: Write Enable Input
21. VSS: Ground
22. DQ0: Data Input/Output
23. DQ1: Data Input/Output
24. DQ2: Data Input/Output
25. DQ3: Data Input/Output
26. DQ4: Data Input/Output
27. DQ5: Data Input/Output
28. VCC: Power Supply

Functional Features

• Non-volatile memory: Retains data even when power is turned off
• High capacity: Stores up to 32 kilobytes of data
• Low power consumption: Operates on a low supply voltage and consumes minimal power during read/write operations
• Fast access time: Allows for quick retrieval of stored data
• Reliable data retention: Ensures data integrity for up to 10 years
• Wide operating temperature range: Suitable for various environmental conditions

Advantages and Disadvantages

Advantages: - Large storage capacity - Low power consumption - Fast access time - Long data retention period - Versatile operating temperature range

Disadvantages: - Limited erase/write cycles (1 million cycles) - Relatively higher cost compared to other memory options

Working Principles

The CAT28LV256G25 is based on flash memory technology. It utilizes floating-gate transistors to store and retrieve data. When data is written, electrons are trapped in the floating gate, altering the transistor's behavior. This change in behavior allows the stored data to be retained even when power is removed. During read operations, the stored charge is measured to determine the stored data.

Detailed Application Field Plans

The CAT28LV256G25 is commonly used in various electronic devices that require non-volatile memory, such as:

1. Microcontrollers
2. Embedded systems
3. Automotive electronics
4. Industrial control systems
5. Consumer electronics

Detailed and Complete Alternative Models

1. CAT28C256: Similar specifications, but with UV erasable technology
2. AT28C256: Comparable specifications, manufactured by Atmel
3. M28C256: Equivalent specifications, produced by STMicroelectronics
4. 28SF256: Similar capacity and functionality, manufactured by Silicon Storage Technology

These alternative models offer similar features and can be used as substitutes for the CAT28LV256G25 in various applications.

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