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CAT34TS04 Datasheet

Digital Output Temperature Sensor

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CAT34TS04 pdf
CAT34TS04
Digital Output Temperature
Sensor with On-board SPD
EEPROM
Description
The CAT34TS04 is a combination Temperature Sensor (TS) and
4Kb of Serial Presence Detect (SPD) EEPROM, which implements
the JEDEC TSE2004av DDR4 specification and supports the Standard
(100 kHz), Fast (400 kHz) and Fast Plus (1 MHz) I2C protocols.
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 opendrain EVENT pin.
One of the two available 2Kb SPD EEPROM banks (referred to as
SPD pages in the TSE2004av specification) is activated for access at
powerup. After powerup, banks can be switched via software
command. Each of the four 1Kb SPD EEPROM blocks can be Write
Protected by software command.
Features
JEDEC TSE2004av Compliant Temperature Sensor
Temperature Range: 20°C to +125°C
DDR4 DIMM Compliant SPD EEPROM
Supply Range: 1.7 V 5.5 V (SPD EEPROM) and
2.2 V 5.5 V (TS)
I2C / SMBus Interface
Schmitt Triggers and Noise Suppression Filters on SCL and SDA
Inputs
16Byte Page Write Buffer
Low Power CMOS Technology
2 x 3 x 0.75 mm TDFN Package and 2 x 3 x 0.5 mm UDFN Package
These Devices are PbFree and are RoHS Compliant
VCC
SCL
A2, A1, A0
SDA
CAT34TS04
EVENT
VSS
Figure 1. Functional Symbol
http://onsemi.com
TDFN8
VP2 SUFFIX
CASE 511AK
UDFN8
HU4 SUFFIX
CASE 517AZ
PIN CONFIGURATION
A0 1
A1
A2 (Top View)
VSS
VCC
EVENT
SCL
SDA
TDFN (VP2), UDFN (HU4)
For the location of Pin 1, please consult the
corresponding package drawing.
MARKING DIAGRAM
TDFN8
4TA
ALL
YM
G
4UA
ALL
YM
UDFN8
G
4TA, 4UA = 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 = PbFree Package
= Pin 1 Indicator
PIN FUNCTIONS
Pin Name
A0, A1, A2
SDA
SCL
EVENT
VCC
VSS
DAP
Function
Device Address Input
Serial Data Input/Output
Serial Clock Input
Opendrain Event Output
Power Supply
Ground
Backside Exposed DAP at VSS
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
October, 2013 Rev. 6
1
Publication Order Number:
CAT34TS04/D


  ON Semiconductor Electronic Components Datasheet  

CAT34TS04 Datasheet

Digital Output Temperature Sensor

No Preview Available !

CAT34TS04 pdf
CAT34TS04
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Units
Operating Temperature
45 to +130
°C
Storage Temperature
65 to +150
°C
Voltage on any pin (except A0) with respect to Ground (Note 1)
0.5 to +6.5
V
Voltage on pin A0 with respect to Ground
0.5 to +10.5
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. The DC input voltage on any pin should not be lower than 0.5 V or higher than VCC + 0.5 V. The A0 pin can be raised to a HV level for SWP
command execution. SCL and SDA inputs can be raised to the maximum limit, irrespective of VCC.
Table 2. RELIABILITY CHARACTERISTICS
Symbol
Parameter
NEND (Note 2)
Endurance (EEPROM)
TDR Data Retention (EEPROM)
2. Page Mode, VCC = 2.5 V, 25°C
Min
1,000,000
100
Units
Write Cycles
Years
Table 3. TEMPERATURE CHARACTERISTICS (VCC = 2.2 V to 3.6 V, TA = 20°C to +125°C, unless otherwise specified)
Parameter
Test Conditions/Comments
Max Unit
Temperature Reading Error
ADC Resolution
+75°C TA +95°C, active range
+40°C TA +125°C, monitor range
20°C TA +125°C, sensing range
±1.0 °C
±2.0 °C
±3.0 °C
12 Bits
Temperature Resolution
0.0625
°C
Conversion Time
100 ms
Thermal Resistance (Note 3) qJA
JunctiontoAmbient (Still Air)
92 °C/W
3. Power Dissipation is defined as PJ = (TJ TA)/qJA, where TJ is the junction temperature and TA is the ambient temperature. The thermal
resistance value refers to the case of a package being used on a standard 2layer PCB.
Table 4. D.C. OPERATING CHARACTERISTICS (VCC = 2.2 V to 3.6 V, TA = 20°C to +125°C, unless otherwise specified)
Symbol
Parameter
Test Conditions/Comments Min Max Unit
ICC Supply Current
TS active, SPD and Bus idle
SPD Write, TS shutdown
1000
1000
mA
mA
ISHDN
Standby Current
TS shutdown; SPD and Bus idle
ILKG I/O Pin Leakage Current
Pin at GND or VCC
VIL Input Low Voltage
VIH Input High Voltage
VOL1 (Note 4)
Output Low Voltage
IOL = 3 mA, VCC > 2.2 V
VOL2
Output Low Voltage
IOL = 1 mA, VCC < 2.2 V
4. The device is able to handle RL values corresponding to the specified rise time (see Figure 2).
0.5
0.7 x VCC
10
2
0.3 x VCC
VCC + 0.5
0.4
0.2
mA
mA
V
V
V
V
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2


Part Number CAT34TS04
Description Digital Output Temperature Sensor
Maker ON Semiconductor
Total Page 18 Pages
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