DS1345BL-100

Product Overview

Category

The DS1345BL-100 belongs to the category of non-volatile static random-access memory (NVSRAM).

Use

It is primarily used for storing critical data in applications where data integrity is crucial, such as industrial control systems, medical devices, and aerospace equipment.

Characteristics

• Non-volatile: The DS1345BL-100 retains data even when power is lost.
• Static RAM: It provides fast read and write access times.
• High density: The DS1345BL-100 offers a large storage capacity.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The DS1345BL-100 comes in a compact 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the DS1345BL-100 lies in its ability to combine the benefits of both volatile and non-volatile memories. It provides the speed and ease of use of static RAM while ensuring data persistence in the absence of power.

Packaging/Quantity

The DS1345BL-100 is typically sold in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory size: 1 Megabit (128K x 8)
• Operating voltage: 2.7V to 3.6V
• Access time: 70 ns
• Data retention: Over 10 years
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The DS1345BL-100 has 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. Not Connected (NC)
8. Power Supply (VCC)

Functional Features

• Battery backup: The DS1345BL-100 includes an integrated lithium energy source, ensuring data retention during power loss.
• Automatic store on power loss: It automatically transfers data from the volatile RAM to non-volatile memory when power is lost.
• Fast write cycle time: The DS1345BL-100 allows for quick and efficient data storage.

Advantages and Disadvantages

Advantages

• Data integrity: The DS1345BL-100 ensures that critical data remains intact even in the event of power failure.
• High-speed access: It provides fast read and write operations, enabling efficient data handling.
• Compact package: The small form factor of the DS1345BL-100 makes it suitable for space-constrained applications.

Disadvantages

• Limited storage capacity: With a maximum size of 1 Megabit, the DS1345BL-100 may not be sufficient for applications requiring larger memory capacities.
• Relatively higher cost: NVSRAMs, including the DS1345BL-100, tend to be more expensive compared to traditional RAM options.

Working Principles

The DS1345BL-100 combines a static RAM array with a non-volatile memory element. When power is applied, the device operates as a standard SRAM, allowing for fast read and write operations. In the event of a power loss, the integrated lithium energy source powers the non-volatile memory, ensuring data retention.

Detailed Application Field Plans

The DS1345BL-100 finds application in various fields, including:

1. Industrial control systems: It can store critical parameters and configuration settings for industrial automation equipment.
2. Medical devices: The DS1345BL-100 is used to store patient data and vital information in medical devices like patient monitors and infusion pumps.
3. Aerospace equipment: It provides reliable data storage for flight control systems, avionics, and satellite communication devices.

Detailed and Complete Alternative Models

1. DS1235AB-100: Similar to the DS1345BL-100, this model offers 1 Megabit of non-volatile static RAM with a slightly different pin configuration.
2. FM1608B-100: This alternative model provides 64K x 8 non-volatile static RAM in a compact package, suitable for applications with lower memory requirements.

Please note that the above list is not exhaustive, and there may be other alternative models available in the market.

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