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PC8374L

Features: SensorPath™ interface to LMxx sensor devices for system health support Fan monitor and control Heceta6-compatible register set, accessible via the LPC interface and SMBus Glue functions to complement the South Bridge functionality including flash and FDD write-protect controls VSB3...

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PC8374L: Features: SensorPath™ interface to LMxx sensor devices for system health support Fan monitor and control Heceta6-compatible register set, accessible via the LPC interface and SMBus Glue functi...

PC8374L Data Sheet

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Part Number:
PC8374L
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 SensorPath™ interface to LMxx sensor devices for system health support
Fan monitor and control
Heceta6-compatible register set, accessible via the LPC interface and SMBus
Glue functions to complement the South Bridge functionality including flash and FDD write-protect controls
VSB3-powered Power Management with 19 wake-up sources
Controls three LED indicators
16 GPIO ports with a variety of wake-up options
I/O-mapped and memory-mapped registers.
Legacy modules: Parallel Port, Floppy Disk Controller (FDC), two Serial Ports, Slow InfraRed Port and a Keyboard and Mouse Controller (KBC)
LPC interface, based on Intel's LPC Interface Specification Revision 1.1, August 2002
PC01 Revision 1.0 and Advanced Configuration and Power Interface (ACPI) Specification Revision 2.0 compliant
128-pin PQFP package


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Min
Max
Unit
VSUP
 Supply Voltage1
−0.5
+4.1
V
VI
 Input Voltage
All other pins
−0.5
5.5
V
PCI_CLK, LAD3-0, LFRAME,
PCI_RESET, SERIRQ
−0.5
VDD3 + 0.5
V
VO
 Output Voltage
All other pins
−0.5
5.5
V
LAD3-0,LDRQ, SERIRQ
−0.5
VDD3 + 0.5
V
TSTG
 Storage Temperature
−0.5
+165
°C
PD
 Power Dissipation
1
W
TL
 Lead Temperature Soldering (10 s)
+260
°C
 ESD Tolerance
CZAP = 100 pF
RZAP = 1.5 K2
2000
V
1. VSUP is VDD3, VSB3.
2. Value based on test complying with RAI-5-048-RA human body model ESD testing.


Description

The National Semiconductor PC8374L Advanced I/O product is a member of the PC8737x SuperI/O family. All PC8737x devices are highly integrated and are pin and software compatible, thus providing drop-in interchangeability and enabling a variety of assembly options using only a single motherboard and BIOS.

PC8374L integration allows for a smaller system board size and saves on total system cost.

The PC8374L includes legacy SuperI/O functions, system glue functions, health monitoring and control, commonly used functions such as GPIO, and ACPI-compliant Power Management support.

The PC8374L integrates miscellaneous analog and digital system glue functions to reduce the number of discrete components required. The host communicates with the functions integrated in the PC8374L device through an LPC Bus Interface.

The PC8374L extended wake-up support complements the ACPI controller in the chipset. The System Wake-Up Control (SWC) module, powered by VSB3, supports a flexible wakeup mechanism.

The PC8374L supports both I/O and memory mapping of module registers and enables building legacy-free systems.




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