AT49F002-55PC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002-55PC is a programmable read-only memory (PROM) IC. It is commonly used for storing firmware or other non-volatile data in electronic devices.

Characteristics: - Non-volatile memory - 2-megabit capacity - Low power consumption - High-speed operation - Reliable and durable

Package: The AT49F002-55PC is available in a 32-pin plastic DIP (Dual In-line Package) format.

Essence: This IC is designed to provide reliable and secure storage of data in electronic devices, ensuring that the stored information remains intact even when power is removed.

Packaging/Quantity: The AT49F002-55PC is typically sold in reels or tubes containing multiple units, with each reel or tube containing a specific quantity of ICs.

Specifications

• Memory Capacity: 2 megabits (256 kilobytes)
• Operating Voltage: 5V
• Access Time: 55 nanoseconds
• Organization: 256K x 8 bits
• Erase/Program Cycle Endurance: 10,000 cycles
• Data Retention: 20 years

Pin Configuration

The AT49F002-55PC has a total of 32 pins, which are assigned specific functions as follows:

1. A16 - Address Input
2. A15 - Address Input
3. A12 - Address Input
4. A7 - Address Input
5. A6 - Address Input
6. A5 - Address Input
7. A4 - Address Input
8. A3 - Address Input
9. A2 - Address Input
10. A1 - Address Input
11. A0 - Address Input
12. VCC - Power Supply
13. OE# - Output Enable Input
14. CE# - Chip Enable Input
15. WE# - Write Enable Input
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. NC - No Connection
25. GND - Ground
26. RP - Reset/Programming Voltage
27. BYTE# - Byte Mode Select Input
28. A14 - Address Input
29. A13 - Address Input
30. A8 - Address Input
31. A9 - Address Input
32. A11 - Address Input

Functional Features

• High-speed data access and transfer
• Low power consumption for efficient operation
• Reliable and durable non-volatile memory storage
• Easy integration into electronic devices due to standard pin configuration
• Support for byte mode operation, allowing flexible data access

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data access - Low power consumption prolongs battery life in portable devices - Reliable and durable memory storage ensures data integrity - Easy integration due to standard pin configuration

Disadvantages: - Limited erase/program cycle endurance compared to some other memory technologies - Relatively small memory capacity compared to modern storage solutions

Working Principles

The AT49F002-55PC utilizes a floating-gate transistor technology to store data. It operates by applying specific voltages to the control pins (CE#, OE#, WE#) and address pins (A0-A16), allowing data to be read from or written to the memory cells. The stored data remains intact even when power is removed, making it suitable for firmware storage and other non-volatile data applications.

Detailed Application Field Plans

The AT49F002-55PC finds application in various electronic devices that require non-volatile memory storage, such as: - Microcontrollers - Embedded systems - Consumer electronics (e.g., TVs, set-top boxes) - Automotive electronics - Industrial control systems

Alternative Models

1. AT49F002N-55PC: Similar to AT49F002-55PC but with extended temperature range.
2. AT49F002T-55PC: Similar to AT49F002-55PC but with faster access time.
3. AT49F002B-55PC: Similar to AT49F002-55PC but with lower power consumption.

These alternative models offer similar functionality but may have specific features or characteristics tailored to different application requirements.

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