CAT28F020HR90

Product Overview

Category

The CAT28F020HR90 belongs to the category of Flash Memory.

Use

It is primarily used for data storage in electronic devices such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High capacity: The CAT28F020HR90 has a storage capacity of 2 megabits (256 kilobytes).
• High-speed operation: Offers fast read and write access times.
• Low power consumption: Designed to minimize energy usage.
• Reliable: Provides robust data retention and endurance.

Package

The CAT28F020HR90 is available in a surface-mount package, commonly known as TSOP (Thin Small Outline Package).

Essence

The essence of CAT28F020HR90 lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of CAT28F020HR90 chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 2 Megabits (256 Kilobytes)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Access Time: 90 nanoseconds (ns)
• Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

The CAT28F020HR90 has a total of 32 pins, which are assigned specific functions. The pin configuration is as follows:

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. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. VCC - Power Supply
18. /WE - Write Enable
19. /OE - Output Enable
20. /CE - Chip Enable
21. I/O0 - Data Input/Output
22. I/O1 - Data Input/Output
23. I/O2 - Data Input/Output
24. I/O3 - Data Input/Output
25. I/O4 - Data Input/Output
26. I/O5 - Data Input/Output
27. I/O6 - Data Input/Output
28. I/O7 - Data Input/Output
29. GND - Ground
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

• High-speed Read and Write Operations: The CAT28F020HR90 offers fast access times, allowing for efficient data retrieval and storage.
• Easy Integration: It can be easily integrated into various electronic systems due to its parallel interface and standard pin configuration.
• Low Power Consumption: The flash memory is designed to minimize power consumption, making it suitable for battery-powered devices.
• Reliable Data Retention: The CAT28F020HR90 ensures reliable data retention even in harsh environmental conditions.
• Compatibility: It is compatible with a wide range of microcontrollers and other digital devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast read and write access times
• Low power consumption
• Reliable data retention
• Easy integration into electronic systems

Disadvantages

• Limited erase/program cycle endurance (100,000 cycles)
• Requires additional circuitry for programming and erasing

Working Principles

The CAT28F020HR90 utilizes the principles of flash memory technology. It consists of a grid of memory cells that store digital information in the form of electrical charges. These charges are trapped within floating gate transistors, allowing the memory to retain data even when power is turned off.

To write data, an electrical charge is applied to the control gate of the memory cell, modifying the charge stored in the floating gate. Reading data involves sensing the presence or absence of charge in the memory cells.

Detailed Application Field Plans

The CAT28F020HR90 finds applications in various fields, including:

1. Computer Systems: Used for BIOS storage, firmware updates, and configuration data storage.
2. Consumer Electronics: Enables data storage in devices such as smartphones, tablets, and digital cameras.
3. Automotive Electronics: Utilized for storing critical system parameters, firmware, and calibration data in automotive applications.
4. Industrial Control Systems