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M48T18-100MH1
M48T18-100MH1 is a RAM module with a capacity of 8KX8 and a timekeeping feature with a speed of 100 nanosecondsM48T18-100MH1
M48T18-100MH1 is a RAM module with a capacity of 8KX8 and a timekeeping feature with a speed of 100 nanoseconds
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Manufacturer Part # : M48T18-100MH1
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Package/Case: SOH
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Brand: Stmicroelectronics
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Product Categories : Memory
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Service & Packaging
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Initiate the application within 90 days from the shipment date.
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M48T18-100MH1 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
STMicroelectronics' M48T18-100MH1 NVSRAM stands out for its ability to maintain data integrity during power interruptions or system failures. Its non-volatile nature sets it apart, ensuring that important information is preserved at all times. The 256 kilobits density and 100ns access time offer optimal performance in critical applications such as industrial automation, automotive systems, and utility meters. The 28-pin SOIC package provides a reliable and space-efficient solution for integrating this NVSRAM into electronic devices. With its wide temperature range operation, this NVSRAM is well-suited for use in various commercial and industrial settings
Key Features
- The M48T18-100MH1 has a low power consumption and operates at a voltage range of 4.75V to 5.5V
- It provides a high accuracy clock function with an accuracy of 10 seconds per year
- Its compact package size makes it ideal for space-constrained designs
Application
- RTC essential for embedded systems
- Reliable timekeeping for industrial automation
- Telecom systems benefit from M48T18-100MH1
- Data logging made easy with non-volatile storage
- Event scheduling simplified with M48T18-100MH1
- Embedded devices rely on real-time clock
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | RAM Miscellaneous | RoHS | N |
| Brand | STMicroelectronics | Product | RAM |
| Product Type ! | RAM Miscellaneous | Series | M48T18 |
| Factory Pack Quantity | 28 | Subcategory | Memory & Data Storage |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is M48T18-100MH1?
The M48T18-100MH1 is a 5V, 256 Kb x 8 non-volatile static RAM (NVSRAM) with a built-in battery to provide reliable data retention in the absence of power. It is designed by STMicroelectronics and is ideal for applications requiring non-volatile data storage, such as industrial automation, embedded systems, and networking devices.
How Does M48T18-100MH1 Work?
The M48T18-100MH1 operates as a non-volatile static RAM, combining the speed of SRAM with non-volatile data storage. It features a lithium energy source and control circuitry to provide data protection during power loss or system shutdown. The device automatically switches to the battery when the power supply is removed, ensuring continuous data retention.
How Many Pins does M48T18-100MH1 have and What are the Functions of the Pinout Configuration?
The M48T18-100MH1 is housed in a 28-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- VBAT: Battery input for data retention when main power is off.
- CE, OE: Chip-enable and output-enable control pins.
- WE: Write-enable control pin.
- BS, AS: Byte select and address status pins.
- BYTE: Byte organization control pin.
- A0-A17: Address input pins.
- DQ0-DQ7: Data input/output pins.
- DS, SQW: Data and square wave output pins for the real-time clock function.
What are the Pros and Cons of M48T18-100MH1?
Pros:
- Non-Volatile Data Storage: Provides reliable data retention without the need for additional power sources.
- Fast Access Time: Offers fast read and write access typical of static RAM technology.
- Built-in Battery: Ensures continuous data protection during power outages or system shutdown.
- High Endurance: Supports a high number of read and write cycles for long-term reliability.
- Multiple Package Options: Available in both DIP and SOIC packages for design flexibility.
Cons:
- Limited Density: The 256 Kb capacity may not be sufficient for high-capacity data storage applications.
- Cost: NVSRAM devices like the M48T18-100MH1 may have a higher cost compared to traditional SRAM.
- Battery Maintenance: Requires periodic battery replacement or monitoring for long-term reliability.
Are There Any Equivalents/Alternatives to M48T18-100MH1 for Recommendation?
- The DS1245 from Maxim Integrated is a comparable NVSRAM with integrated battery backup.
- Alternatives to the M48T18-100MH1 include the FM16W08 from Cypress Semiconductor and the M6M80011 from Renesas Electronics.
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