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STTS2002 bảng dữ liệu(PDF) 2 Page - STMicroelectronics

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Description
STTS2002
2/9
Doc ID 17216 Rev 1
1
Description
The STTS2002 is targeted for DIMM modules in mobile personal computing platforms
(laptops), servers and other industrial applications. The thermal sensor (TS) in the
STTS2002 is compliant with the JEDEC specification TSE2002a2, which defines memory
module thermal sensors requirements for mobile platforms. The 2 Kbit serial presence
detect (SPD) I2C-compatible electrically erasable programmable memory (EEPROM) in the
STTS2002 is organized as 256 x8 bits and is functionally identical to the industry standard
M34E02.
The TS-SPD EEPROM combination provides space as well as cost savings for mobile and
server platform dual inline memory modules (DIMM) manufacturers, as it is packaged in the
compact 2 mm x 3 mm 8-lead TDFN package with a thinner maximum height of 0.80 mm.
The DN package is compliant to JEDEC MO-229, variation WCED-3.
The digital temperature sensor has a programmable 9-12 bit analog-to-digital converter
(ADC) which monitors and digitizes the temperature to a resolution of up to 0.0625 °C. The
default resolution is 0.25 °C/LSB (10-bit). The typical accuracies over these temperature
ranges are:
±2 °C over the full temperature measurement range of –40 °C to 125 °C
±1 °C in the +40 °C to +125 °C active temperature range, and
±0.5 °C in the +75 °C to +95 °C monitor temperature range
The temperature sensor in the STTS2002 is specified for operating at supply voltages from
2.3 V to 3.6 V. Operating at 3.3 V, the typical supply current is 160 µA (includes SMBus
communication current).
The on-board sigma delta ADC converts the measured temperature to a digital value that is
calibrated in °C. For Fahrenheit applications, a lookup table or conversion routine is
required. The STTS2002 is factory-calibrated and requires no external components to
measure temperature.
The digital temperature sensor component has user-programmable registers that provide
the capabilities for DIMM temperature-sensing applications. The open drain event output pin
is active when the monitoring temperature exceeds a programmable limit, or it falls above or
below an alarm window. The user has the option to set the event output as a critical
temperature output. This pin can be configured to operate in either a comparator mode for
thermostat operation or in interrupt mode.
The 2 Kbit serial EEPROM memory in the STTS2002 has the ability to permanently lock the
data in its first half (upper) 128 bytes (locations 00h to 7Fh). This feature has been designed
specifically for use in DRAM DIMMs with SPD. All of the information concerning the DRAM
module configuration (e.g. access speed, size, and organization) can be kept write
protected in the first half of the memory. The second half (lower) 128 bytes of the memory
can be write protected using two different software write protection mechanisms.
By sending the device a specific sequence, the first 128 bytes of the memory become write
protected: permanently or resettable. In the STTS2002 the write protection of the memory
array is dependent on whether the software protection has been set.


Số phần tương tự - STTS2002

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
STMicroelectronics
STTS2002 STMICROELECTRONICS-STTS2002 Datasheet
770Kb / 52P
   2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM
STTS2002B2DN3F STMICROELECTRONICS-STTS2002B2DN3F Datasheet
770Kb / 52P
   2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM
STTS2002 STMICROELECTRONICS-STTS2002_11 Datasheet
770Kb / 52P
   2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM
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Mô tả tương tự - STTS2002

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
STMicroelectronics
STTS2002 STMICROELECTRONICS-STTS2002_11 Datasheet
770Kb / 52P
   2.3 V memory module temperature sensor with a 2 Kb SPD EEPROM
STTS424E02 STMICROELECTRONICS-STTS424E02_08 Datasheet
438Kb / 51P
   Memory module temperature sensor with a 2 Kb SPD EEPROM
STTS424E02 STMICROELECTRONICS-STTS424E02 Datasheet
75Kb / 7P
   Memory module temperature sensor with a 2Kb SPD EEPROM
logo
Microchip Technology
MCP98242 MICROCHIP-MCP98242_09 Datasheet
1Mb / 52P
   Memory Module Temperature Sensor w/EEPROM for SPD
2009
MCP98242 MICROCHIP-MCP98242 Datasheet
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2006
MCP98243 MICROCHIP-MCP98243 Datasheet
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2009
MCP9843 MICROCHIP-MCP9843 Datasheet
1Mb / 62P
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2009
logo
ON Semiconductor
NV34C02WF ONSEMI-NV34C02WF Datasheet
144Kb / 11P
   EEPROM SPD 2-kb I2C
May, 2018 ??Rev. 0
N34C04 ONSEMI-N34C04_18 Datasheet
198Kb / 13P
   EEPROM Serial 4-Kb SPD
May, 2018 ??Rev. 2
logo
Microchip Technology
MCP98244 MICROCHIP-MCP98244 Datasheet
972Kb / 52P
   DDR4 DIMM Temperature Sensor with EEPROM for SPD
11/29/12 2012-2013
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