DS1747-70IND+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The DS1747-70IND+ is a non-volatile static RAM (NVSRAM) integrated circuit. It combines the benefits of both RAM and non-volatile memory to provide data storage even when power is lost.

Characteristics: - Non-volatile memory - Static random-access memory (SRAM) - 70ns access time - Industrial temperature range (-40°C to +85°C) - DIP package (Dual In-line Package) - 28-pin configuration

Package: The DS1747-70IND+ is available in a DIP package, which is a through-hole package with two parallel rows of pins.

Essence: The essence of the DS1747-70IND+ is its ability to retain data even without power, making it suitable for applications where data integrity is crucial.

Packaging/Quantity: The DS1747-70IND+ is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Access Time: 70ns
• Memory Size: 32 kilobits (4 kilobytes)
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: >10 years
• Write Endurance: 10^14 cycles
• Package Type: DIP
• Pin Count: 28

Detailed Pin Configuration

The DS1747-70IND+ has a total of 28 pins, each serving a specific function. Here is the detailed pin configuration:

1. VCC - Power supply voltage
2. GND - Ground
3. CE - Chip Enable
4. OE - Output Enable
5. WE - Write Enable
6. NC - No Connection
7. A0-A13 - Address Inputs
8. DQ0-DQ7 - Data Input/Output
9. VBAT - Battery Backup Voltage
10. VPP - Programming Voltage
11. NC - No Connection
12. NC - No Connection
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection
17. NC - No Connection
18. NC - No Connection
19. NC - No Connection
20. NC - No Connection
21. NC - No Connection
22. NC - No Connection
23. NC - No Connection
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

The DS1747-70IND+ offers the following functional features:

1. Non-volatile storage: The NVSRAM technology allows data to be retained even when power is lost.
2. High-speed access: With a 70ns access time, the DS1747-70IND+ provides fast read and write operations.
3. Battery backup: The VBAT pin enables battery backup for data retention during power outages.
4. Easy integration: The DIP package and standard pin configuration make it compatible with various systems.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data integrity during power loss. - Fast access time for efficient data retrieval. - Battery backup option for extended data retention. - Easy integration into existing systems.

Disadvantages: - Limited memory size (32 kilobits) compared to other storage options. - Relatively higher cost compared to traditional SRAM.

Working Principles

The DS1747-70IND+ combines the principles of SRAM and non-volatile memory. It utilizes a volatile SRAM array for fast read/write operations, while also incorporating non-volatile elements to retain data during power loss. This is achieved through the use of a small onboard battery that powers the non-volatile memory circuitry.

Detailed Application Field Plans

The DS1747-70IND+ finds applications in various fields where data integrity is critical, such as:

1. Industrial automation systems
2. Power grid monitoring and control
3. Medical equipment
4. Automotive electronics
5. Aerospace systems
6. Data logging devices
7. Security systems

Detailed and Complete Alternative Models

1. DS1230AB-120 - 32k NVSRAM, 120ns access time, DIP package
2. M48Z02-150PC1 - 16k NVSRAM, 150ns access time, DIP package
3. FM1608-120-PG - 64k FRAM, 120ns access time, DIP package
4. CY14B101LA-SZ45XI -