sx8744emstrt Semtech Corporation, sx8744emstrt Datasheet - Page 6

• Manufacturer Part Number: sx8744emstrt
• Description: Precision Diode Digital Temperature For Up To 3 External Sensors
• Manufacturer: Semtech Corporation

2. Pin Configuration
2.1. Pinout
2.2. Pin Description
ACS Revision 2.91/February 2010
©2010 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
VSS
Pin
P1
P2
P3
P4
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
ANALOG
DIGITAL
DIGITAL
DIGITAL
DIGITAL
POWER
Type
Alarm output, pseudo-open drain
Alarm output, pseudo-open drain
Alarm output, pseudo-open drain
Alarm output, pseudo-open drain
1. MLPD exposed pad is not connected internally. It is connected to ground plane for
Ext. diode return current sink
Ext. diode return current sink
Ext. diode return current sink
Ext. diode return current sink
Ext. diode current source
Ext. diode current source
Ext. diode current source
SMBCLK
SMBDAT
thermal dissipation
Pin #
VDD
VSS
Pin
1
2
3
4
5
6
7
8
Description
Table 2 Power and SMBus Pin Description
Table 3 Programmable Pin Description
SMBDAT
SMBCLK
SX8733
DIGITAL
DIGITAL
POWER
POWER
Type
VDD
VSS
P1
P2
-
-
1
Table 1 Pinout
D1+ D1+
D1- D1-
0
1
SMBus serial clock input, open drain
SMBus serial data input/output, open drain
Positive power supply
Negative power supply
Page 6
D1-
2
SMBDAT
SMBCLK
SX8743
AL1
AL2
VDD
VSS
3
P3
P2
P1
P4
SX8733/SX8743/SX8744
Precision Diode Digital Temperature
D1+ D1+ D1+ D1+ D1+ D1+ D1+ D1+ D1+ D1+
D2+
D1-
D2-
4
5
Description
AL1
D1-
6
7
For Up To 3 External Sensors
Mode
AL1 AL1
AL2 AL2
D1- D1- D1-
8
9
SMBDAT
SMBCLK
SX8744
VDD
D1-
VSS
10
NC
P1
P2
P4
D2+ D2+
D2-
11
12
D1-
D2-
13
14
D2+ D2+ D2+
AL1 AL1
D1-
D2-
D1-
D2-
www.semtech.com
15
DATASHEET
D3+ D3+ D1+
D1-
D2-
D3-
16
17
D1-
D2-
D3-
D1-
D2-
D3-
18
D1-
D1-
20