DS1245Y-100

Product Overview

Category: Integrated Circuits (ICs)

Use: The DS1245Y-100 is a non-volatile static RAM (NVSRAM) integrated circuit. It combines the benefits of both RAM and non-volatile memory, providing high-speed read/write operations along with data retention even when power is lost.

Characteristics: - Non-volatile memory - High-speed read/write operations - Data retention during power loss - Low power consumption

Package: The DS1245Y-100 is available in a 32-pin DIP (Dual Inline Package) or a 32-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the DS1245Y-100 lies in its ability to retain data without the need for continuous power supply, making it ideal for applications where data integrity is crucial.

Packaging/Quantity: The DS1245Y-100 is typically sold individually or in reels containing multiple units, depending on the supplier. The exact packaging and quantity may vary.

Specifications

• Memory Size: 1 Megabit (128K x 8)
• Access Time: 100 ns
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: >10 years
• Endurance: 1 million write cycles

Pin Configuration

The DS1245Y-100 has a total of 32 pins. The pin configuration is as follows:

```

Pin Name Description

1 VCC Power Supply 2 NC No Connection 3 A0-A16 Address Inputs 4 CE Chip Enable 5 OE Output Enable 6 WE Write Enable 7 I/O0 Data Input/Output 8 I/O1 Data Input/Output ... 31 I/O14 Data Input/Output 32 I/O15 Data Input/Output ```

Functional Features

• Non-volatile storage: The DS1245Y-100 retains data even when power is lost, ensuring data integrity and reliability.
• High-speed operation: With an access time of 100 ns, the DS1245Y-100 allows for fast read/write operations.
• Low power consumption: The integrated circuit is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention during power loss. - High-speed read/write operations enable efficient data handling. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited memory size (1 Megabit) compared to other storage options. - Relatively higher cost compared to traditional RAM.

Working Principles

The DS1245Y-100 utilizes a combination of volatile and non-volatile memory technologies. It incorporates a static RAM array for high-speed read/write operations and a non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) for data retention. When power is applied, the device operates like a standard RAM, allowing data to be read from or written to the memory array. However, when power is removed, the non-volatile EEPROM ensures that the stored data remains intact.

Application Field Plans

The DS1245Y-100 finds applications in various fields where data integrity and non-volatility are essential. Some potential application areas include:

1. Embedded Systems: Used as a reliable storage solution in microcontrollers and embedded systems.
2. Industrial Automation: Provides non-volatile memory for critical data storage in industrial control systems.
3. Automotive Electronics: Ensures data integrity in automotive applications such as engine control units and infotainment systems.
4. Medical Devices: Used for storing vital patient data in medical devices like patient monitors and diagnostic equipment.

Alternative Models

• DS1245AB-100: Similar to DS1245Y-100, but with a different package type (e.g., PLCC).
• DS1245W-100: Offers wider operating temperature range (-55°C to +125°C) for extreme environments.
• DS1245Z-100: Provides higher endurance (10 million write cycles) for applications requiring frequent writes.

These alternative models offer similar functionality to the DS1245Y-100 but may differ in package type, temperature range, or endurance specifications.

In conclusion, the DS1245Y-100 is a non-volatile static RAM integrated circuit that combines the benefits of RAM and non-volatile memory. Its ability to retain data during power loss, high-speed operation, and low power consumption make it suitable for various applications where data integrity is crucial.