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W29GL256SH9B TR
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W29GL256SH9B TR

Product Overview

  • Category: Flash Memory
  • Use: Data storage and retrieval in electronic devices
  • Characteristics:
    • Non-volatile memory
    • High-speed data transfer
    • Compact size
  • Package: Surface Mount Technology (SMT)
  • Essence: Stores digital information in a solid-state format
  • Packaging/Quantity: Available in reels, with varying quantities per reel

Specifications

  • Memory Type: NOR Flash
  • Capacity: 256 Megabits (32 Megabytes)
  • Organization: 16M words × 16 bits or 32M words × 8 bits
  • Supply Voltage: 2.7V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Parallel
  • Access Time: 90 ns
  • Erase/Program Time: 2 ms (typical)

Detailed Pin Configuration

The W29GL256SH9B TR has the following pin configuration:

  1. VCC (Power Supply)
  2. A0-A19 (Address Inputs)
  3. DQ0-DQ15 (Data Input/Output)
  4. WE# (Write Enable)
  5. CE# (Chip Enable)
  6. OE# (Output Enable)
  7. RP#/BYTE# (Reset/Byte#)
  8. RY/BY# (Ready/Busy#)
  9. WP#/ACC (Write Protect/Acceleration)
  10. VSS (Ground)

Functional Features

  • High-speed read and write operations
  • Low power consumption
  • Sector erase and chip erase functions
  • Hardware and software protection mechanisms
  • Automatic sleep mode for power saving
  • Error correction code (ECC) support

Advantages and Disadvantages

Advantages: - Fast data transfer rates - Compact form factor - Low power consumption - Reliable data storage - Support for various protection mechanisms

Disadvantages: - Limited capacity compared to other storage options - Relatively higher cost per unit of storage

Working Principles

The W29GL256SH9B TR operates based on the principles of NOR flash memory. It uses a grid of memory cells, where each cell stores a charge to represent a binary value (0 or 1). The stored information remains intact even when power is removed. Data can be read from and written to the memory cells using specific electrical signals sent through the pin connections.

Detailed Application Field Plans

The W29GL256SH9B TR is commonly used in various electronic devices that require non-volatile storage, such as:

  1. Mobile phones
  2. Digital cameras
  3. Portable media players
  4. Automotive electronics
  5. Industrial control systems

Detailed and Complete Alternative Models

  1. W25Q256JVSIQ - 256 Megabit Serial Flash Memory
  2. S25FL256SAGMFI011 - 256 Megabit SPI Flash Memory
  3. MX25L25635FMI-10G - 256 Megabit CMOS Serial Flash Memory
  4. AT45DB321E-SHN-T - 32 Megabyte DataFlash Memory
  5. M25P128-VMF6TPB - 128 Megabit Serial Flash Memory

These alternative models offer similar functionality and capacity to the W29GL256SH9B TR, providing options for different design requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von W29GL256SH9B TR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of W29GL256SH9B TR in technical solutions:

  1. Q: What is the W29GL256SH9B TR? A: The W29GL256SH9B TR is a flash memory chip manufactured by Winbond Electronics. It has a capacity of 256 megabits (32 megabytes) and is commonly used in various electronic devices.

  2. Q: What are the key features of the W29GL256SH9B TR? A: The key features of this flash memory chip include a high-speed data transfer rate, low power consumption, wide operating voltage range, and compatibility with various interfaces like SPI and parallel.

  3. Q: What are some typical applications of the W29GL256SH9B TR? A: The W29GL256SH9B TR is often used in applications such as consumer electronics, automotive systems, industrial control, medical devices, and networking equipment for storing firmware, code, and data.

  4. Q: What is the operating voltage range of the W29GL256SH9B TR? A: The W29GL256SH9B TR operates within a voltage range of 2.7V to 3.6V, making it compatible with a wide range of electronic systems.

  5. Q: What is the data transfer rate of the W29GL256SH9B TR? A: The W29GL256SH9B TR supports a high-speed data transfer rate of up to 104 MHz, enabling fast read and write operations.

  6. Q: Is the W29GL256SH9B TR compatible with SPI interface? A: Yes, the W29GL256SH9B TR supports both SPI (Serial Peripheral Interface) and parallel interfaces, providing flexibility in system integration.

  7. Q: Can the W29GL256SH9B TR be used as a boot device? A: Yes, the W29GL256SH9B TR can be used as a boot device in many systems, allowing for quick and reliable startup.

  8. Q: Does the W29GL256SH9B TR support hardware and software write protection? A: Yes, the W29GL256SH9B TR offers both hardware and software write protection features to prevent accidental or unauthorized modification of data.

  9. Q: What is the temperature range for the W29GL256SH9B TR's operation? A: The W29GL256SH9B TR is designed to operate within a temperature range of -40°C to +85°C, making it suitable for various environments.

  10. Q: Is the W29GL256SH9B TR RoHS compliant? A: Yes, the W29GL256SH9B TR is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.

Please note that these answers are general and may vary depending on specific requirements and application scenarios.