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TSE2004GB2B0 Datasheet(PDF) 1 Page - Integrated Device Technology

Part # TSE2004GB2B0
Description  Accurate timeout support
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

TSE2004GB2B0 Datasheet(HTML) 1 Page - Integrated Device Technology

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September 16, 2014
 2014 Integrated Device Technology, Inc.
*Notice: The information in this document is subject to change without notice
DSC 7340/4
®
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
Description
The TSE2004GB2B0 digital temperature sensor with accuracy up to
±0.5°C was designed to target applications demanding highest level of
temperature readout. The device also contains 512 Byte EEPROM for
storage of vendor information and system configuration such as SPD for
DIMM modules. The sensor and the EEPROM are fully compliant with
JEDEC JC42.4 Component Specification.
The digital temperature sensor comes with several user-programmable
registers to provide maximum flexibility for temperature-sensing
applications. The registers allow specifying critical, upper, and lower
temperature limits as well as hysteresis settings. Both the limits and
hysteresis values are used for communicating temperature events from
the chip to the system. This communication is done using Event pin,
which has an open-drain configuration. The user has the option of setting
the Event pin polarity as either an active-low or active-high comparator
output for thermostat operation, or as a temperature event interrupt
output for microprocessor-based systems.
The sensor uses an industry standard 2-wire, I2C/SMBus serial
interface, and allows up to eight devices to be controlled on the bus.
The 4Kbit (512 Bytes) serial EEPROM memory in the part is organized
as two pages of 256 bytes each, or 512 bytes of total memory. Each page
is comprised of two 128 byte blocks. The devices are able to selectively
lock the data in any or all of the four 128-byte blocks.
Memory Module Temp Sensor Application
Chipset
MCH
CPU
Memory
Module
Memory Bus
Temperature
sensor and
EEPROM
DRAMs
DRAMs
SMBus
EVENT#
(for memory
throttling)
Features
Temperature Sensor + 512 Byte Serial EEPROM
512 Byte Serial EEPROM for SPD
Single Supply: 2.2V to 3.6V
Accurate timeout support
- Meets strict SMBus spec of 25ms (min), 35ms (max)
Timeout supported for Temp Sensor and EEPROM
Timeout supported in all Modes
– Active mode for Temp sensor and EEPROM
– EEPROM in standby or Temp sensor in shutdown
– EEPROM in standby and Temp sensor in shutdown
Schmitt trigger and noise filtering on bus inputs
2-wire Serial Interface: 10KHz to 1 MHz max I2C™ /SMBus™
Available Package: TDFN-8
Temperature Sensor Features
Temperature Converted to Digital Data
Sampling Rate of 125ms (max)
Selectable 0, 1.5°C, 3°C, 6°C Hysteresis
Programmable Resolution from 0.0625°C to 0.5°C
Accuracy:
±0.5°C/ ±1.0°C (typ/max)from +75°C to +95°C
– ±1.0°C/±2.0°C (typ/max) from +40°C to +125°C
– ±2.0°C/ ±3.0°C (typ/max) from -40°C to +125°C
Serial EEPROM Features
Individual Reversible Software Data Protection for all 128 Byte
Blocks
Byte and page (up to 16 Bytes) Write Operation
Self-time Write cycle
Automatic address incrementing
Random and Sequential Read modes
Typical Applications
DIMM Modules (DDR3, DDR4)
Servers, Laptops, Ultra-portables, PCs, etc.
Industrial temperature monitors
Hard Disk Drives and Other PC Peripherals
TSE2004GB2B0
Data Sheet
DDR4 Temperature Sensor with
Integrated 4Kbit EEPROM for
Memory Modules


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