The Maxim Integrated DS1220AD-120+ is a high-performance, 16k Nonvolatile SRAM designed to provide a reliable and durable memory solution for applications requiring data preservation upon power loss. This innovative memory module combines the access speed of static RAM with a nonvolatile storage component to ensure that data remains intact without the need for a battery backup.
Key Features
- Memory Capacity: The DS1220AD-120+ offers 16 Kbytes of memory, providing ample space for critical data storage.
- Data Retention: It incorporates an internal lithium energy source and control circuitry which automatically switches to the nonvolatile storage when power is interrupted, ensuring data preservation for over 10 years.
- Fast Access Time: With an access time of 120 ns, this SRAM delivers the high-speed performance required for demanding applications.
- Automatic Write-Protection: During power-down or power-loss conditions, the device automatically enables a write-protect mode, securing the data integrity.
- Directly Replaceable: This memory module is designed to be pin-compatible with other standard 2k x 8 SRAMs, facilitating easy upgrades to existing systems without the need for redesign.
- Low Power Consumption: Its energy-efficient design ensures minimal power usage during operation, making it suitable for power-sensitive applications.
Applications
The DS1220AD-120+ is ideal for a wide range of applications where data integrity and retention are critical, such as:
- Industrial control systems
- Utility meters
- Medical equipment
- Point-of-sale terminals
- Security systems
Technical Specifications
| Parameter |
Value |
| Memory Size |
16 Kbytes |
| Access Time |
120 ns |
| Data Retention |
10+ years |
| Operating Temperature |
0°C to +70°C |
With its robust design and reliable performance, the Maxim Integrated DS1220AD-120+ Nonvolatile SRAM is a trusted choice for maintaining data integrity in critical systems.