SE98A_4
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04  25 November 2009
4 of 43
NXP Semiconductors
SE98A
DDR memory module temp sensor, 1.7 V to 3.6 V
6.   Pinning information
6.1  Pinning
 
6.2  Pin description
 
[1]   This input is overvoltage tolerant to support software write protection when applied to SPD.
Fig 2.    Pin configuration for TSSOP8
Fig 3.    Pin configuration for HWSON8
Fig 4.    Pin configuration for HXSON8
SE98APW
A0
V
DD
A1
EVENT
A2
SCL
V
SS
SDA
002aad757
1
2
3
4
6
5
8
7
A0
A1
A2
V
SS
V
DD
EVENT
SCL
SDA
terminal 1
index area
1
SE98ATP
002aaf008
Transparent top view
2
3
4
8
7
6
5
terminal 1
index area
1
SE98ATL
002aad910
Transparent top view
2
3
4
8
7
6
5
A0
A1
A2
V
SS
V
DD
EVENT
SCL
SDA
Table 2.
Pin description
Symbol
Pin
Type
Description
A0
[1]
1
I
I
2
C-bus/SMBus slave address bit 0 with internal pull-down
A1
2
I
I
2
C-bus/SMBus slave address bit 1 with internal pull-down
A2
3
I
I
2
C-bus/SMBus slave address bit 2 with internal pull-down
V
SS
4
ground
device ground
SDA
5
I/O
SMBus/I
2
C-bus serial data input/output (open-drain).
Must have external pull-up resistor.
SCL
6
I
SMBus/I
2
C-bus serial clock input/output (open-drain).
Must have external pull-up resistor.
EVENT
7
O
Thermal alarm output for high/low and critical temperature
limit (open-drain). Must have external pull-up resistor.
V
DD
8
power
device power supply (1.7 V to 3.6 V)
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