LM99CIMMX Equivalent & Substitute Parts Reference

Part Overview

LM99CIMMX is a digital temperature sensor manufactured by Texas Instruments, categorized under temperature sensors and provided in Tape & Reel (TR) packaging. The device supports local and remote temperature sensing in the 0°C to 85°C range with an SMBus digital output and surface-mount 8-VSSOP packaging. Currently, LM99CIMMX is classified as obsolete. Identifying alternative and substitute models is required to maintain product support and ensure continued sourcing, specifically when managing design continuity and inventory of RoHS-compliant components within surface-mount assemblies.

Key Parameters

Parameter	LM99CIMMX
Manufacturer	Texas Instruments
Category	Temperature Sensors
Sensor Type	Digital, Local/Remote
Sensing Temp - Local	0°C ~ 85°C
Sensing Temp - Remote	0°C ~ 85°C
Output Type	SMBus
Voltage - Supply	3V ~ 3.6V
Resolution	7 b (Local), 11 b (Remote)
Features	One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode
Accuracy	±3°C
Operating Temperature	0°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0060

Substitute Part Grouping Explanation

Substitution logic is based strictly on the provided electrical, mechanical, and compliance parameters for the temperature sensor category. Compatibility is determined by matching the following key parameters: sensor type, supply voltage range, output type, resolution, package/case, mounting type, operating temperature, features, accuracy, and compliance status. Substitute parts must offer equivalent performance and package form to be suitable for drop-in replacement.

Parameter Comparison

Parameter	LM99CIMMX	LM99CIMMX/NOPB	SA56004ADP,118	SA56004CDP,118	SA56004EDP,118
Manufacturer	Texas Instruments	Texas Instruments	NXP USA Inc.	NXP USA Inc.	NXP USA Inc.
Category	Temperature Sensors	Temperature Sensors	Temperature Sensors	Temperature Sensors	Temperature Sensors
Sensor Type	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote	Digital, Local/Remote
Sensing Temp - Local	0°C ~ 85°C	0°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Sensing Temp - Remote	0°C ~ 85°C	0°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Output Type	SMBus	SMBus	I2C/SMBus	I2C/SMBus	I2C/SMBus
Voltage - Supply	3V ~ 3.6V	3V ~ 3.6V	3V ~ 5.5V	3V ~ 5.5V	3V ~ 5.5V
Resolution	7 b (Local), 11 b (Remote)	7 b (Local), 11 b (Remote)	10 b	10 b	10 b
Features	One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode	One-Shot, Output Switch, Programmable Limit, Shutdown Mode, Standby Mode	Output Switch, Programmable Limit	Output Switch, Programmable Limit	Output Switch, Programmable Limit
Accuracy	±3°C	±3°C	±2°C (±3°C)	±2°C (±3°C)	±2°C (±3°C)
Operating Temperature	0°C ~ 125°C	0°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP	8-VSSOP	8-TSSOP	8-TSSOP	8-TSSOP
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99

Engineering Selection Recommendations

Selection of substitute parts for LM99CIMMX should be based on part status and compliance levels as provided. LM99CIMMX is listed as obsolete and identified as RoHS non-compliant. LM99CIMMX/NOPB is an active equivalent part from the same manufacturer, with ROHS3 compliance. SA56004ADP,118, SA56004CDP,118, and SA56004EDP,118 are active substitute parts from NXP USA Inc., all with ROHS3 compliance and matching mechanical footprint and mounting type. These substitutes share surface-mount compatibility, equal or broader operating temperature ranges, and have directly provided REACH and ECCN status. Moisture Sensitivity Level (MSL) is 1 (Unlimited) across all compared options. Parameter selection aligns strictly with provided compliance and electrical specifications.

Frequently Asked Questions (FAQ)

Q: What are the primary parameters used for LM99CIMMX substitution?
A: Key substitution parameters include sensor type (digital, local/remote), output type (SMBus or I2C/SMBus), voltage supply range, operating temperature, accuracy, resolution, mounting type, package/case, RoHS and REACH compliance status, and MSL rating.

Q: Are package sizes and mount types maintained between LM99CIMMX and substitute models?
A: All substitutes use surface mount technology and share the 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) package dimensions.

Q: How does RoHS compliance differ among compared parts?
A: LM99CIMMX is RoHS non-compliant. LM99CIMMX/NOPB and NXP USA Inc. SA56004x substitutes are all ROHS3 compliant. This is relevant for selection in RoHS-regulated production environments.

Q: Do the substitute parts offer extended temperature ranges compared to LM99CIMMX?
A: Substitute models from NXP USA Inc. (SA56004ADP,118, SA56004CDP,118, SA56004EDP,118) support operating and sensing ranges of -40°C to 125°C.

Q: Are there differences in output type among substitute parts?
A: LM99CIMMX and LM99CIMMX/NOPB use SMBus output. NXP USA Inc. substitutes offer I2C/SMBus output.

Q: Is moisture sensitivity consistent across all options?
A: The Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all considered parts.

Q: Are part substitutions limited by resolution or features?
A: Substitute models from NXP USA Inc. offer a resolution of 10 b and include programmable limit and output switch functionalities within the scope of provided input data.

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