AT49F002T-12PC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002T-12PC is a non-volatile memory IC primarily used for data storage and retrieval in electronic devices.

Characteristics: - Non-volatile: Retains data even when power is turned off. - High capacity: Offers 2 megabits (256 kilobytes) of storage space. - Fast access time: Operates at a speed of 120 nanoseconds. - Low power consumption: Designed to minimize energy usage. - Durable: Can withstand harsh environmental conditions.

Package: The AT49F002T-12PC is available in a 32-pin plastic dual in-line package (PDIP).

Essence: This IC is an essential component for storing and accessing data in various electronic systems, including computers, consumer electronics, and industrial equipment.

Packaging/Quantity: The AT49F002T-12PC is typically sold in reels or tubes containing multiple units. The exact quantity depends on the supplier and customer requirements.

Specifications

• Memory Type: Flash
• Memory Size: 2 Megabits (256 Kilobytes)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PDIP

Pin Configuration

The AT49F002T-12PC features a 32-pin configuration with the following pin assignments:

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. OE#
14. CE#
15. WE#
16. NC
17. I/O0
18. I/O1
19. I/O2
20. I/O3
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. VCC
26. GND
27. A8
28. A9
29. A11
30. A13
31. A15
32. BYTE#

Functional Features

The AT49F002T-12PC offers the following functional features:

• Byte-wide or word-wide data access.
• Sector erase capability for efficient memory management.
• Built-in write protection mechanism to prevent accidental data modification.
• High-speed programming and erasing operations.
• Low power consumption during standby mode.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention without power supply. - High storage capacity suitable for various applications. - Fast access time allows for quick data retrieval. - Durable design withstands challenging environmental conditions. - Low power consumption contributes to energy efficiency.

Disadvantages: - Limited storage capacity compared to newer memory technologies. - Relatively slower access time compared to some modern memory ICs. - Requires external programming voltage (VPP) for certain operations.

Working Principles

The AT49F002T-12PC utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage mechanisms to retain information even when power is disconnected. The memory cells are organized into sectors, allowing for efficient erasing and programming operations.

During read operations, the IC activates specific memory cells based on the address provided, retrieving the stored data. Write and erase operations involve applying appropriate voltages to specific pins, modifying the charge levels in the memory cells.

Detailed Application Field Plans

The AT49F002T-12PC finds applications in various electronic systems, including but not limited to:

1. Computers and laptops for storing BIOS firmware.
2. Consumer electronics such as digital cameras, MP3 players, and set-top boxes for data storage.
3. Industrial equipment like programmable logic controllers (PLCs) and automation systems for storing configuration data.
4. Automotive electronics for storing firmware and calibration data.
5. Communication devices like routers and switches for storing firmware and configuration settings.

Detailed and Complete Alternative Models

1. AT49F002N-12PI: Similar to AT49F002T-12PC but available in a 32-pin plastic leaded chip carrier (PLCC) package.
2. AT49F002NT-12JC: Offers the same functionality but comes in a 32-pin PLCC package with a wider operating temperature range (-40°C to +125°C).
3. AT49F002AN-55VI: Provides 2 megabits of memory capacity with an extended voltage range (2.7V to 5.5V) and is available in a 32-pin very small outline integrated circuit (VSOP)