LM96194CISQ/NOPB National Semiconductor, LM96194CISQ/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM96194CISQ/NOPB
• Description: IC TRUTHERM HDWR MONITOR 48-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®, TruTherm®r

Specifications of LM96194CISQ/NOPB

• Function: Fan Control, Temp Monitor
• Topology: ADC (Sigma Delta), Comparator, Fan Control, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 85°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM96194CISQTR

Symbol
PROCHOT
GND
GND
GND
GND
GND
GPIO_0/TACH1
GPIO_1/TACH2
GPIO_2/TACH3
GPIO_3/TACH4
GPIO_4 / THERMTRIP 11
GPIO_5
GPIO_6
GPIO_7
VRD1_HOT
GND
VID6/GPI9
SMBDAT
SMBCLK
ALERT/XtestOut
9.0 Pin Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
Type
Digital I/O (Open-
Drain)
Ground
Ground
Ground
Ground
Ground
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital I/O (Open-
Drain)
Digital Input
Ground Input
Digital Input
Digital I/O (Open-
Drain)
Digital Input
Digital Output (Open-
Drain)
Function
Connected to CPU1 PROCHOT (processor hot) signal through a
bidirectional level shifter. Supports TTL input logic levels and AGTL
compatible input logic levels.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
Can be configured as fan tach input or a general purpose open-drain digital
I/O.
Can be configured as fan tach input or a general purpose open-drain digital
I/O.
Can be configured as fan tach input or a general purpose open-drain digital
I/O.
Can be configured as fan tach input or a general purpose open-drain digital
I/O..
A general purpose open-drain digital I/O. Can be configured to monitor a
CPU's THERMTRIP signal to mask other errors. Supports TTL input logic
levels and AGTL compatible input logic levels.
A general purpose open-drain digital I/O. Supports TTL input logic levels
and AGTL compatible input logic levels.
Can be used to detect the state of CPU's IERR or a general purpose open-
drain digital I/O. Supports TTL input logic levels and AGTL compatible input
logic levels.
A general purpose open-drain digital I/O. Supports TTL input logic levels
and AGTL compatible input logic levels.
CPU1 voltage regulator HOT. Supports TTL input logic levels and AGTL
compatible input logic levels.
All grounds need to be tied together at the chip then taken to a low noise
system ground. A voltage difference between grounds may cause
erroneous results.
CPU VID6 input. Could also be used as a general purpose input to trigger
an error event. Supports TTL input logic levels and AGTL compatible input
logic levels.
Bidirectional System Management Bus Data. Output configured as 5V
tolerant open-drain. SMBus 2.0 compliant.
System Management Bus Clock. Driven by an open-drain output, and is 5V
tolerant. SMBus 2.0 Compliant.
Open-drain ALERT output used in an interrupt driven system to signal that
an error event has occurred. Masked error events do not activate the
ALERT output. When in XOR tree test mode, functions as XOR Tree output.
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