SE98ATP,547 NXP Semiconductors, SE98ATP,547 Datasheet - Page 20

• Manufacturer Part Number: SE98ATP,547
• Description: IC TEMP SENSOR DDR 8-HWSON
• Manufacturer: NXP Semiconductors

Specifications of SE98ATP,547

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 1.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-WSON (Exposed Pad), 8-HWSON
• Temperature Threshold: Programmable
• Full Temp Accuracy: +/- 1 C
• Digital Output - Bus Interface: 2-Wire, SMBus, I2C
• Digital Output - Number Of Bits: 11
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.7 V
• Description/function: DDR Memory Module Temperature Sensor
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 250 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4731-2; SE98ATP,147

NXP Semiconductors
Table 10.
SE98A_4
Product data sheet
Action
sets
clears
Below Alarm Window bit (bit 13)
Temperature
slope
falling
rising
Hysteresis enable
Table 9.
Bit
1
0
Fig 12. Hysteresis: how it works
Threshold
temperature
T
T
trip(l)
trip(l)
Above Alarm Window
Below Alarm Window
− T
Above Critical Trip
Symbol
EP
EMD
bit 14 = AAW bit)
bit 13 = BAW bit)
critical alarm
bit 15 = ACT bit)
upper alarm
lower alarm
hys
Configuration register (address 01h) bit description
(register 05h;
(register 05h;
(register 05h;
threshold
threshold
threshold
Description
EVENT Polarity.
When either of the Critical Trip or Alarm Window lock bits is set, this bit cannot
be altered until unlocked.
EVENT Mode.
When either of the Critical Trip or Alarm Window lock bits is set, this bit cannot
be altered until unlocked.
0 — active LOW (default).
1 — active HIGH.
0 — comparator output mode (default)
1 — interrupt mode
Above Alarm Window bit (bit 14)
Temperature
slope
rising
falling
Rev. 04 — 25 November 2009
temperature
set
clear
clear
Threshold
temperature
T
T
trip(u)
trip(u)
DDR memory module temp sensor, 1.7 V to 3.6 V
− T
hys
current temperature
clear
set
set
Above Critical Trip bit (bit 15)
Temperature
slope
rising
falling
…continued
hysteresis
clear
clear
hysteresis
Threshold
temperature
T
T
© NXP B.V. 2009. All rights reserved.
th(crit)
th(crit)
002aac799
SE98A
time
− T
hysteresis
hys
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