© Semiconductor Components Industries, LLC, 2013

February, 2013 − Rev. 10

1

Publication Order Number:

CAT34TS02/D

CAT34TS02

Digital Output Temperature

Sensor with On-board SPD

EEPROM

Description

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

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.

Features

Inputs

Figure 1. Functional Symbol

SDA

SCL

CAT34TS02

EVENT

http://onsemi.com

PIN CONFIGURATION

SDA

EVENT

1

See detailed ordering and shipping information in the package

dimensions section on page 20 of this data sheet.

ORDERING INFORMATION

SCL

(Top View)

Device Address Input

Serial Data Input/Output

SDA

Serial Clock Input

SCL

Open−drain Event Output

EVENT

Power Supply

Ground

Function

Pin Name

PIN FUNCTIONS

For the location of Pin 1, please consult the

corresponding package drawing.

TDFN−8

VP2 SUFFIX

CASE 511AK

DAP

MARKING DIAGRAM

GTX

ALL

YM

GTX

= Specific Device Code

A

= Assembly Location Code

LL

= Assembly Lot Number (Last Two Digits)

Y

= Production Year (Last Digit)

M

= Production Month (1 − 9, O, N, D)

G

= Pb−Free Package

G