DS1249W-100IND

Product Overview

Category

The DS1249W-100IND belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems, providing a reliable and permanent storage solution.

Characteristics

• Non-volatile: The DS1249W-100IND retains stored data even when power is removed.
• High capacity: This device offers a storage capacity of 1 megabit (128 kilobytes).
• Fast access time: With a maximum access time of 120 nanoseconds, it ensures quick data retrieval.
• Low power consumption: The DS1249W-100IND operates at low power levels, making it suitable for battery-powered applications.

Package

The DS1249W-100IND is available in a standard 32-pin DIP (Dual Inline Package) format.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with high capacity and fast access times, while consuming minimal power.

Packaging/Quantity

The DS1249W-100IND is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 1 Megabit (128 Kilobytes)
• Access Time: 120 ns (Maximum)
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 10 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The DS1249W-100IND features a 32-pin DIP package with the following pin configuration:

1. Chip Enable (/CE)
2. Output Enable (/OE)
3. Write Enable (/WE)
4. Address Inputs (A0-A16)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Ground (GND)
7. No Connection (NC)
8. Supply Voltage (+5V)

Functional Features

• Random Access: The DS1249W-100IND allows random access to any memory location, facilitating efficient data retrieval.
• Byte-Writable: It supports byte-level write operations, enabling selective modification of stored data.
• Hardware Data Protection: This device features a write-protection mechanism that prevents accidental data corruption.
• Automatic Power Control: The DS1249W-100IND incorporates power-saving features, reducing energy consumption during idle periods.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• High capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.
• Write protection mechanism prevents accidental data modification.

Disadvantages

• Limited endurance of 1 million write cycles may be a constraint in certain high-write applications.
• Relatively higher cost compared to volatile memory alternatives.

Working Principles

The DS1249W-100IND utilizes a combination of CMOS circuitry and non-volatile memory cells to store and retrieve data. It employs a floating-gate technology that allows for reliable data retention even when power is removed. The device uses address and control signals to access specific memory locations and performs read and write operations accordingly.

Detailed Application Field Plans

The DS1249W-100IND finds applications in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Medical devices - Consumer electronics

In embedded systems, it can be used for firmware storage, configuration data storage, or as a boot memory. In industrial automation, it can store critical parameters or log data. Automotive electronics can utilize it for storing calibration data or event logs. Medical devices can benefit from its non-volatile storage capabilities for patient data or device settings. In consumer electronics, it can be used for firmware updates or data storage in portable devices.

Detailed and Complete Alternative Models

• DS1249AB-100IND
• DS1249C-100IND
• DS1249Y-100IND
• DS1249Z-100IND

These alternative models offer similar specifications and functionality to the DS1249W-100IND, providing customers with options based on their specific requirements.

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