Allicdata Part #: | DS1314S-2+-ND |
Manufacturer Part#: |
DS1314S-2+ |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC CTRLR NV W/BATT MON 3V 8-SOIC |
More Detail: | N/A |
DataSheet: | DS1314S-2+ Datasheet/PDF |
Quantity: | 1109 |
Part Status: | Active |
Controller Type: | Nonvolatile RAM |
Voltage - Supply: | 3 V ~ 3.6 V |
Operating Temperature: | -40°C ~ 85°C |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | DS1314 |
Series: | -- |
Packaging: | Tube |
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The DS1314S-2+ is a member of Maxim’s family of Serial Presence Detect (SPD) devices designed to read and store parameters that describe the physical and electrical characteristics of memory modules. The primary application field of the DS1314S-2+ is the memory controller for systems demanding high-speed access and operation, such as workstations, servers and Personal Computers.
The SPD devices are used to provide important data about the module type, size, and speed. The information stored in an SPD includes the module’s serial and part numbers, configuration type (unbuffered, registered, or ECC), DIMM type (SDRAM, RDRAM, DDR, DDR-2, etc.), CAS latency and other timing parameters, and module size in megabits or megabytes. The memory controller reads these parameters in order to configure the memory and establish proper operation conditions.
The DS1314S-2+ is designed to operate on both JEDEC and non-standards controllers and supports a wide variety of memory types. The device is generally used to implement a simple interface to supervisory circuitry that reads and verifies the SPD information before writing it to memory controller memory. It also provides simple data integrity checks and has invert-on-Write protection to ensure that data remains intact even if power is unexpectedly removed during a write operation.
The DS1314S-2+ is composed of two components, a low-voltage CMOS state machine controller and a 4,096-bit EEPROM memory for storing parameters in a standard format. The controller provides control functions and interfaces with the SPD device via the two-wire serial interface. The memory is organized into 248 8-bit pages and has two configurable sections. One section is used to store pre-programmed data unique to a given configuration and the other section is used for data that is written during operation (such as serial numbers, part numbers, and other memory parameters).
The DSM1314S-2+ is designed to operate both in a self- initializing and a scan-exclusive mode. In self-initializing mode, the controller reads the pre-programmed parameters and checks the data integrity. The scan-exclusive mode is used to update the parameters while the system is in operation. The parameter values are rearranged internally among the pages and then written to the storage area. This mode requires manual device configuration to ensure the write page address is consistent with the layout of the parameter data. The device then reads the SPD data one page at a time, checks the data integrity, and writes the data back to the storage area.
The DS1314S-2+ has two power supplies: a main supply (VCC) and a low-voltage supply (VCCL) for the EEPROM. The device operates over a wide range of voltages and supports low current consumption for extended battery life. It is compliant with the JEDEC and Intel standards for SPD devices and is certified for operation at temperatures between 0°C and 70°C.
Overall, the DS1314S-2+ is an ideal choice for memory controllers that require high-speed access and reliable operation. The device is designed to provide an easy-to-use interface and ensure data is stored accurately and reliably. It is also capable of accommodating a wide variety of memory types and operating conditions, making it an ideal choice for a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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