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Revision 1.1 (06-12-06)
DATASHEET
ii
SMSC EMC1203/EMC1204
Triple/Quad Single-Wire Temp Sensor in MSOP-8 Using SMSC BudgetBus
TM
Sensor Interface
Datasheet
Chapter 1 Pin Configuration
DP1
DN1
DN2/DP3
DP2/DN3
1
8
VDD
GND
SCLK
BBUS
2
EMC1203/
7
EMC1204
3
TOP VIEW
6
4
5
Figure 1.1 EMC1203 and EMC1204 Pin Configuration
1.1
Pin Description
Table 1.1 EMC1203 and EMC1204 Pin Description
PIN
DP1
DN1
DN2/DP3
DP2/DN3
BBUS
SCLK
GND
VDD
PIN NO.
1
2
3
4
5
6
7
8
DESCRIPTION
Positive Analog Connection to External Temperature Diode 1
Negative Analog Connection to External Temperature Diode 1
Negative Analog Connection to External Temperature Diode 2
Positve Analog Connection to External Temperature Diode 3, EMC1204 only
Positve Analog Connection to External Temperature Diode 2
Negative Analog Connection to External Temperature Diode 3, EMC1204 only
Serial Bus Interface to BBUS Host
Normally GND, this pin may be configured to source a synchronous clock.
Ground
Supply Voltage V
DD
SMSC EMC1203/EMC1204
DATASHEET
1
Revision 1.1 (06-12-06)
Triple/Quad Single-Wire Temp Sensor in MSOP-8 Using SMSC BudgetBus
TM
Sensor Interface
Datasheet
1.2
Absolute Maximum Ratings
Table 1.2 EMC1203 and EMC1204 Maximum Ratings
DESCRIPTION
RATING
-0.3 to 5.0
-0.3 to V
DD
+0.3
0 to 85
-55 to 150
Refer to JEDEC
Spec. J-STD-020
UNIT
V
V
°C
°C
Supply Voltage V
DD
Voltage on any other pin
Operating Temperature Range
Storage Temperature Range
Lead Temperature Range
Package Thermal Characteristics for MSOP-8
Power Dissipation
Thermal Resistance(at 0 air flow)
ESD Rating, All Pins Human Body Model
TBD
109.6
2000
°C/W
V
Note:
Stresses above those listed could cause damage to the device. This is a stress rating only
and functional operation of the device at any other condition above those indicated in the
operation sections of this specification is not implied. When powering this device from
laboratory or system power supplies, it is important that the Absolute Maximum Ratings not be
exceeded or device failure can result. Some power supplies exhibit voltage spikes on their
outputs when the AC power is switched on or off. In addition, voltage transients on the AC
power line may appear on the DC output. If this possibility exists, it is suggested that a clamp
circuit be used.
Revision 1.1 (06-12-06)
DATASHEET
2
SMSC EMC1203/EMC1204
Triple/Quad Single-Wire Temp Sensor in MSOP-8 Using SMSC BudgetBus
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