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AT29C256-12TC
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AT29C256-12TC

Product Overview

Category

AT29C256-12TC belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

  • Non-volatile: Retains data even when power is turned off.
  • High storage capacity: 256 kilobits (32 kilobytes).
  • Fast access time: 120 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT29C256-12TC is available in a Thin Small Outline Package (TSOP) format.

Essence

The essence of AT29C256-12TC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

AT29C256-12TC is typically packaged in reels or tubes, with each package containing a specific quantity of devices. The exact quantity may vary depending on the supplier.

Specifications

  • Memory Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 120 nanoseconds
  • Supply Voltage: 2.7V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: Thin Small Outline Package (TSOP)

Detailed Pin Configuration

The AT29C256-12TC has a total of 28 pins, which are configured as follows:

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

Functional Features

  • Byte-wide access: Allows individual bytes to be read or written.
  • Erase capability: Supports both sector and chip erase operations.
  • Write protection: Provides write protection for specific memory areas.
  • Automatic sleep mode: Reduces power consumption when not in use.

Advantages and Disadvantages

Advantages

  • Non-volatile storage: Data is retained even without power.
  • High storage capacity: 256 kilobits allows for ample data storage.
  • Fast access time: Quick retrieval of stored information.
  • Low power consumption: Energy-efficient operation.
  • Reliable and durable: Designed for long-term use.

Disadvantages

  • Limited storage capacity compared to higher-capacity memory devices.
  • Relatively slower access time compared to some modern memory technologies.

Working Principles

AT29C256-12TC utilizes Flash memory technology, which stores data by trapping electrons in a floating gate. The presence or absence of trapped electrons determines the binary state of each memory cell. When reading data, the memory controller applies appropriate voltages to the memory cells, allowing the trapped charge to be sensed and interpreted as digital information.

Detailed Application Field Plans

AT29C256-12TC finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT29C256-12TC include: - AT28C256 - AM29F040B - SST39SF010A

These models provide comparable storage capacity, access times, and features, making them suitable alternatives for different applications.

In conclusion, AT29C256-12TC is a non-volatile memory device with a storage capacity of 256 kilobits. It offers fast access times, low power consumption, and reliable performance. Its application spans across various electronic systems, and alternative models are available for specific requirements.

技術ソリューションにおける AT29C256-12TC の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AT29C256-12TC in technical solutions:

  1. Q: What is the AT29C256-12TC? A: The AT29C256-12TC is a 32K x 8 low-power CMOS flash memory chip with a capacity of 256 kilobits.

  2. Q: What are the typical applications of AT29C256-12TC? A: It is commonly used in embedded systems, microcontrollers, automotive electronics, industrial control systems, and other electronic devices that require non-volatile storage.

  3. Q: What does the "12TC" in AT29C256-12TC signify? A: The "12TC" represents the access time of the chip, which is 120 nanoseconds (ns).

  4. Q: How is the AT29C256-12TC interfaced with a microcontroller or other devices? A: It uses a standard parallel interface, typically connected using address lines, data lines, control signals (such as chip enable, write enable), and power supply connections.

  5. Q: Can the AT29C256-12TC be reprogrammed? A: Yes, it supports both programming and erasing operations, allowing for multiple write cycles.

  6. Q: What is the operating voltage range of the AT29C256-12TC? A: It operates within a voltage range of 4.5V to 5.5V.

  7. Q: What is the endurance of the AT29C256-12TC? A: It has a minimum endurance of 10,000 write/erase cycles.

  8. Q: Does the AT29C256-12TC require any special programming equipment? A: No, it can be programmed using standard programming equipment compatible with parallel flash memories.

  9. Q: What is the typical data retention period of the AT29C256-12TC? A: It has a minimum data retention period of 20 years.

  10. Q: Are there any specific precautions to consider when using the AT29C256-12TC? A: Yes, it is important to follow the recommended operating conditions, such as voltage levels and temperature ranges, to ensure proper functionality and longevity of the chip.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's guidelines for the AT29C256-12TC.