DS1743P-85+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS1743P-85+ belongs to the category of non-volatile static RAM (NVSRAM).

Use

It is primarily used for storing critical data in applications that require both high-speed read/write operations and non-volatility.

Characteristics

• Non-volatile: Retains data even when power is lost.
• Static RAM: Provides fast access times and low power consumption.
• High-speed read/write operations: Enables efficient data transfer.
• Durable package: Designed to withstand harsh environmental conditions.

Package

The DS1743P-85+ is available in a 28-pin DIP (Dual In-line Package) format.

Essence

The essence of the DS1743P-85+ lies in its ability to combine the benefits of non-volatility with the speed and efficiency of static RAM.

Packaging/Quantity

The DS1743P-85+ is typically packaged individually and is available in various quantities depending on the supplier.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 32 kilobits (4 kilobytes)
• Access Time: 85 nanoseconds
• Data Retention: Over 10 years

Detailed Pin Configuration

The DS1743P-85+ has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply voltage
2. GND: Ground
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. A0-A14: Address inputs
7. DQ0-DQ7: Data inputs/outputs
8. SQW/INT: Square Wave Output/Interrupt
9. RST: Reset
10. VBAT: Battery backup input

Functional Features

• Non-volatile storage: Retains data even during power loss or system shutdown.
• High-speed access: Allows for quick read and write operations.
• Battery backup: Ensures data integrity during power interruptions.
• Automatic write protection: Prevents accidental modification of stored data.
• Power-fail detection: Triggers an interrupt or output signal when the power supply drops below a certain threshold.

Advantages and Disadvantages

Advantages

• Combines non-volatility with the speed of static RAM.
• Suitable for applications requiring critical data storage.
• Durable package withstands harsh environmental conditions.
• Automatic write protection prevents data corruption.

Disadvantages

• Relatively small memory size compared to other storage options.
• Limited temperature range for operation.

Working Principles

The DS1743P-85+ utilizes a combination of volatile and non-volatile memory technologies. It employs static RAM cells for fast read/write operations and a non-volatile element, such as an EEPROM (Electrically Erasable Programmable Read-Only Memory), to retain data when power is lost. The battery backup ensures continuous power supply to the non-volatile memory, maintaining data integrity during power interruptions.

Detailed Application Field Plans

The DS1743P-85+ finds application in various fields, including: 1. Industrial automation systems 2. Medical equipment 3. Automotive electronics 4. Aerospace and defense systems 5. Communication devices

In these fields, the DS1743P-85+ is used for critical data storage, such as configuration settings, event logs, and real-time data buffering.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DS1743P-85+ include: 1. DS1230AB-120+: 32 kilobit non-volatile SRAM with a faster access time of 120 nanoseconds. 2. FM1808-70-P: 256 kilobit non-volatile SRAM with a wider operating temperature range (-40°C to +85°C). 3. M48Z02-150PC1: 16 kilobit non-volatile SRAM with a lower access time of 150 nanoseconds.

These alternative models provide options for different memory sizes, access times, and temperature ranges, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the DS1743P-85+ is a non-volatile static RAM that combines the benefits of non-volatility with the speed and efficiency of static RAM. It offers high-speed read/write operations, durability, and automatic write protection. With its various applications and alternative models available, it provides a reliable solution for critical data storage in diverse industries.