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NE1619

Philips
Part Number NE1619
Manufacturer Philips
Description Temperature and voltage monitor
Published May 12, 2005
Detailed Description INTEGRATED CIRCUITS NE1619 HECETA4 Temperature and voltage monitor Product data sheet Supersedes data of 2004 May 10 20...
Datasheet PDF File NE1619 PDF File

NE1619
NE1619

Overview
INTEGRATED CIRCUITS NE1619 HECETA4 Temperature and voltage monitor Product data sheet Supersedes data of 2004 May 10 2004 Oct 05 Philips Semiconductors Philips Semiconductors Product data sheet HECETA4 Temperature and voltage monitor NE1619 FEATURES • Monitor local and remote temperatures • Temperature accuracy of ±2 °C for local, and ±3 °C for remote channel GENERAL DESCRIPTION The NE1619 is designed for monitoring the temperatures and supply voltages of microprocessor-based systems by measuring those parameters and comparing the readings with programmable limits.
The device provides five possible analog inputs, a remote temperature sensor input and on-board local temperature sensor.
The device also monitors its own power supply and provides digital inputs for the Pentium/PRO power supply ID code.
The device communicates with the system controller via an SMBus (System Management bus) by which it can be programmed for operation and data collection.
Readings come from conversions of the on-board A-to-D converter which cycles through all measurements in sequence in approximately one second when the conversion is started.
The device includes a number of registers to store data of the device configuration, status, readings and limits.
Except for the temperature-related data which are in 8-bit digital 2’s complement format, all the data are in 8-bit digital straight format.
• Temperature resolution of 1 °C • 2.
8 V to 5.
5 V supply range • Monitor different power supplies: 12 V, 5 V, 3.
3 V, 2.
5 V, VCCP, VDD • VIN accuracy of ±2% of full scale • Differential non-linearity of ±1LSB • No calibration required • Programmable temperature and voltage limits for alarms • Programmable Reset low state pulse output • SMBus 2-wire serial interface • Small 16-lead SSOP (QSOP) package • Compatible with Intel “Heceta 4” specification and reference designs utilizing it • ESD protection exceeds 2000 V HBM per JESD22-A114, • Latch-up testing is done to JESDEC Standard JESD78 whic...


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