NXP USA Inc.
NXP Semiconductors, a frontrunner in embedded controllers, offers a wide array of MCUs with Arm-based processors. Their innovation extends to robust Power Management for industry and automotive use. NXP's products globally empower and interconnect, fostering proficiency for individuals, organizations, and the world. Noteworthy is the integration of Freescale Semiconductor into NXP (December 2015).
View All Product from NXP USA Inc.
• JEDEC (JC-42.4) TS3000B1 DIMM ± 0.5 °C (typ.) between 75 °C and 95 °Ctemperature sensor
• Optimized for voltage range: 1.7 V to 3.6 V
• Shutdown current: 0.1 μA (typ.) and 5.0 μA (max.)
• 2-wire interface: I2C-bus/SMBus compatible, 0 Hz to 400 kHz
• SMBus ALERT and TIMEOUT (programmable)
• 11-bit ADC Temperature-to-Digital converter with 0.125 °C resolution
The NXP Semiconductors SE98A measures temperature from −40 °C and +125 °C withJEDEC Grade B ±1 °C accuracy between +75 °C and +95 °C communicating via theI2C-bus/SMBus. It is typically mounted on a Dual In-Line Memory Module (DIMM)measuring the DRAM temperature in accordance with the new JEDEC (JC-42.4) MobilePlatform Memory Module Thermal Sensor Component specification.The SE98A thermal sensor operates over the VDD range of 1.7 V to 3.6 V. The SE98Adoes not include the 2 k SPD and is designed for custom DIMM where larger SPD isrequired.The Temp Sensor (TS) consists of an Analog-to-Digital Converter (ADC) that monitorsand updates its own temperature readings 8 times per second, converts the reading to adigital data, and latches them into the data temperature registers. User-programmableregisters, such as Shutdown or Low-power modes and the specification of temperatureevent and critical output boundaries, provide flexibility for DIMM temperature-sensingapplications.When the temperature changes beyond the specified boundary limits, the SE98A outputsan EVENT signal using an open-drain output that can be pulled up between 0.9 V and3.6 V. The user has the option of setting the EVENT output signal polarity as either anactive LOW or active HIGH comparator output for thermostat operation, or as atemperature event interrupt output for microprocessor-based systems. The EVENT outputcan even be configured as a critical temperature output.The SE98A supports the industry-standard 2-wire I2C-bus/SMBus serial interface. TheSMBus TIMEOUT function is supported to prevent system lock-ups. Manufacturer andDevice ID registers provide the ability to confirm the identify of the device. Three addresspins allow up to eight devices to be controlled on a single bus.The SE98A is an improved SE98 and is comparable to the thermal sensor in the SE97 butwith voltage range of 1.7 V to 3.6 V.
• DDR2 and DDR3 memory modules
• Laptops, personal computers and servers
• Enterprise networking
• Hard disk drives and other PC peripherals
TYPE | DESCRIPTION | Select all |
---|---|---|
Sensor Type | Internal | |
Supplier Device Package | 8-TSSOP | |
Function | Temp Monitoring System (Sensor) | |
Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | |
Product Status | Obsolete | |
Mounting Type | Surface Mount | |
Package | Tape & Reel (TR) | |
Operating Temperature | -40°C ~ 125°C | |
Voltage - Supply | 1.7V ~ 3.6V | |
Series | - | |
Output Fan | Yes | |
Output Alarm | Yes | |
Output Type | I²C/SMBus | |
Topology | ADC (Sigma Delta), Register Bank | |
Accuracy | ±4°C(Max) | |
Sensing Temperature | -40°C ~ 125°C |
NXP USA Inc.
NXP Semiconductors, a frontrunner in embedded controllers, offers a wide array of MCUs with Arm-based processors. Their innovation extends to robust Power Management for industry and automotive use. NXP's products globally empower and interconnect, fostering proficiency for individuals, organizations, and the world. Noteworthy is the integration of Freescale Semiconductor into NXP (December 2015).
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