LM80 National Semiconductor, LM80 Datasheet - Page 2

• Manufacturer Part Number: LM80
• Description: Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor
• Manufacturer: National Semiconductor

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INT_IN
SDA
SCL
Ordering Information
Note:
Block Diagram
Pin Descriptions
LM80CIMTX-3
LM80CIMTX-5
Order Number
LM80CIMT-3
LM80CIMT-5
Name(s)
1
2
Pin
-Rail transport media, 62 parts per rail
-Tape and reel transport media, 3400 parts per reel
−25˚C
Temperature Range
1
1
T
2
2
A
Number
LM80CIMT-3
LM80CIMT-5
+125˚C
Pin
Marking
1
2
3
Device
Number
of Pins
1
1
1
Package
MTC24B
MTC24B
Number
NS
Digital Input
Digital I/O
Digital Input
Type
Specified
Voltage
Supply
Power
3.3V
5.0V
This is an active low input that propagates the INT_IN signal to the
INT output of the LM80 via Interrupt Mask Register 1 Bit 7 and INT
enable Bit 1 of the Configuration Register.
Serial Bus bidirectional Data. Open-drain output.
Serial Bus Clock.
2
Connection Diagram
Description
DS100040-2
DS100040-3