Temperature Sensors | CAT34TS02

Temperature Sensor with EEPROM Memory

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Overview

The CAT34TS02 combines a JC42.4 compliant Temperature Sensor (TS) with 2-Kb of Serial Presence Detect (SPD) EEPROM.

The TS measures temperature at least 10 times every second. Temperature readings can be retrieved by the host via the serial interface, and are compared to high, low and critical trigger limits stored into internal registers. Over or under limit conditions can be signaled on the open-drain EVENT pin.

The integrated 2-Kb SPD EEPROM is internally organized as 16 pages of 16 bytes each, for a total of 256 bytes. It features a 16-byte page write buffer and supports both the Standard (100 kHz) as well as Fast (400 kHz) I2C protocol.

Write operations to the lower half memory can be inhibited via software commands. The CAT34TS02 features Permanent, as well as Reversible Software Write Protection, as defined for DDR3 DIMMs.

  • Thermal Management and SPD for DDR3 Memory Modules

  • Notebook and Desktop Computers
  • Game Consoles

  • JEDEC JC42.4 Compliant Temperature Sensor
  • Temperature Range: -20°C to 125°C
  • DDR3 DIMM compliant SPD EEPROM
  • Supply Range: 3.3 V 10%
  • I2C /SMBus Interface
  • Schmitt triggers and noise suppression filters on SCL and SDA inputs
  • Low power CMOS technology
  • 2 x 3 x 0.75 mm TDFN Package
  • These Devices are Pb-Free and are RoHS Compliant

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ICC Max (mA)

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Reference Price

CAT34TS02VP2GT4C

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Active

CAD Model

Pb

A

H

P

TDFN-8

511AK

1

260

REEL

4000

N

Local

I2C

0.5

3

3.6

-20

125

±3

$0.2491

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Reliability Data

Die Related Summary Data

Device: CAT34TS02VP2GT4C

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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