EMC1423_12 Datasheet, PDF (9/51 Pages) SMSC Corporation – 1°C Temperature Sensor with Hardware Thermal Shutdown

1°C Temperature Sensor with Hardware Thermal Shutdown
Datasheet
Chapter 2 Pin Description
VDD 1
DP1 2
DN1 3
DP2 / DN3 4
DN2 / DP3 5
10 SMCLK
9 SMDATA
8 ALERT
7 SYS_SHDN
6 GND
Figure 2.1 EMC1423/EMC1424 Pin Diagram
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
Table 2.1 EMC1423 and EMC1424 Pin Description
NAME
VDD
DP1
DN1
DP2 / DN3
DN2/ DP3
GND
SYS_SHDN
ALERT
SMDATA
SMCLK
FUNCTION
TYPE
Power supply
Power
External diode 1 positive (anode)
AIO
connection
External diode 1 negative (cathode) AIO
connection
External diode 2 positive (anode)
AIO
connection / External Diode 3
negative (cathode) connection for
anti-parallel diodes
External diode 2 negative (cathode) AIO
connection / External Diode 3
positive (anode) connection for anti-
parallel diodes
Ground
Power
System Shutdown output signal -
requires pull-up resistor which
selects the Hardware Thermal
Shutdown Limit
OD (5V)
Active low digital ALERT output
signal - requires pull-up resistor
OD (5V)
SMBus Data input/output - requires DIOD (5V)
pull-up resistor
SMBus Clock input - requires pull-up DI (5V)
resistor
SMSC EMC1423/EMC1424
9
DATASHEET
Revision 2.0 (08-10-12)