Datasheet
Table Of Contents
- Features
- Applications
- Key Specifications
- Description
- Absolute Maximum Ratings
- Operating Ratings
- Temperature-to-Digital Converter Characteristics
- Logic Electrical Characteristics
- DIGITAL DC CHARACTERISTICS
- SMBus DIGITAL SWITCHING CHARACTERISTICS
- Functional Description
- LM86 REGISTERS
- COMMAND REGISTER
- LOCAL and REMOTE TEMPERATURE REGISTERS (LT, RTHB, RTLB)
- STATUS REGISTER (SR)
- CONFIGURATION REGISTER
- CONVERSION RATE REGISTER
- LOCAL and REMOTE HIGH SETPOINT REGISTERS (LHS, RHSHB, and RHSLB)
- LOCAL and REMOTE LOW SETPOINT REGISTERS (LLS, RLSHB, and RLSLB)
- REMOTE TEMPERATURE OFFSET REGISTERS (RTOHB and RTOLB)
- LOCAL and REMOTE T_CRIT REGISTERS (RCS and LCS)
- T_CRIT HYSTERESIS REGISTER (TH)
- FILTER and ALERT CONFIGURE REGISTER
- MANUFACTURERS ID REGISTER
- DIE REVISION CODE REGISTER
- APPLICATION HINTS
- Data Sheet Revision History
Control Logic
One Shot
Register
Remote Offset
Registers
Local/Remote
Temperature
Registers
HIGH
Limit
Registers
LOW
Limit
Registers
T_CRIT Limit
& Hysteresis
Registers
Configuration
and Status
Registers
Conversion
Rate
Registers
Two-Wire Serial
Interface
Local/Remote
Diode Selector
Temperature
Sensor
Circuitry
10-Bit Plus Sign
'-6
Converter
Programable
Level
Filter
Fault
Queue
Fault
Queue
Fault
Queue
S
R
3.0V-3.6V
D+
D-
T_Crit_A
ALERT
SMBData
SMBClock
Q
LM86
SNIS114E –DECEMBER 2001–REVISED MARCH 2013
www.ti.com
Simplified Block Diagram
Connection Diagram
VSSOP-8 or SOIC-8
(TOP VIEW)
Pin Description
Label Pin No. Function Typical Connection
V
DD
1 Positive Supply Voltage Input DC Voltage from 3.0 V to 3.6 V
Diode Current Source To Diode Anode. Connected to remote discrete diode connected
D+ 2 transistor junction or to the diode connected transistor junction on a
remote IC whose die temperature is being sensed.
D− 3 Diode Return Current Sink To Diode Cathode.
T_CRIT Alarm Output, Open-Drain, Pull-Up Resistor, Controller Interrupt or Power Supply Shutdown Control
T_CRIT_A 4
Active-Low
GND 5 Power Supply Ground Ground
Interrupt Output, Open-Drain, Pull-Up Resistor, Controller Interrupt or Alert Line
ALERT 6
Active-Low
SMBus Bi-Directional Data Line, From and to Controller, Pull-Up Resistor
SMBData 7
Open-Drain Output
SMBCLK 8 SMBus Input From Controller, Pull-Up Resistor
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