74LCX652MTCX Equivalent & Substitute Parts

Part Overview

The 74LCX652MTCX is a non-inverting transceiver logic IC manufactured by onsemi, designed for 8-bit bidirectional data transmission with 3-state output capability. This component operates across a 2V to 3.6V supply voltage range and is housed in a 24-TSSOP surface mount package. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for ongoing design support and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LCX652MTCX
Manufacturer	onsemi
Logic Type	Transceiver, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	24-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution for the 74LCX652MTCX is determined by the following critical parameters:

Logic Function: Non-inverting transceiver with 1 element, 8 bits per element
Output Configuration: 3-state output capability
Electrical Performance: 24mA output current (high and low)
Supply Voltage Range: Minimum 2V to 3.6V maximum
Package Compatibility: 24-TSSOP surface mount form factor
Operating Temperature: -40°C to 85°C
Compliance: ROHS3 compliant, REACH unaffected

Substitute parts are grouped into two categories:

Parametric Equivalent: 74LCX543MTCX maintains identical electrical specifications and package form factor, with the same 2V to 3.6V supply range.

Similar Parts (Extended Supply Range): SN74LVC652APW, SN74LVC652APWR, and SN74LVC652APWT are Texas Instruments components from the 74LVC series with an extended supply voltage range of 1.65V to 3.6V, providing broader operational flexibility while maintaining all other critical parameters.

Parameter Comparison

Parameter	74LCX652MTCX (onsemi)	74LCX543MTCX (Fairchild)	SN74LVC652APW (TI)	SN74LVC652APWR (TI)	SN74LVC652APWT (TI)
Logic Type	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting
Number of Elements	1	1	1	1	1
Number of Bits per Element	8	8	8	8	8
Output Type	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	2V ~ 3.6V	2V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	24-TSSOP	24-TSSOP	24-TSSOP	24-TSSOP	24-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Last Time Buy	Active	Active	Active	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications)

The 74LCX543MTCX from Fairchild Semiconductor is a parametric equivalent with matching supply voltage range (2V to 3.6V) and identical electrical characteristics. This part is currently in Active product status, ensuring continued availability and support.

For Extended Supply Voltage Flexibility

The Texas Instruments SN74LVC652 series (available as SN74LVC652APW, SN74LVC652APWR, and SN74LVC652APWT) offers an extended supply voltage range of 1.65V to 3.6V while maintaining all other critical parameters. These parts are in Active status and available in multiple packaging options (Tube, Tape & Reel). Selection among these three variants depends on procurement and assembly requirements rather than electrical performance.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original 74LCX652MTCX.

Frequently Asked Questions (FAQ)

Q: Can the 74LCX543MTCX replace the 74LCX652MTCX in all applications?

A: Yes, the 74LCX543MTCX is a parametric equivalent with identical supply voltage range (2V to 3.6V), output current specifications (24mA), and 24-TSSOP package form factor. No design modifications are required.

Q: What is the difference between the 74LCX652MTCX and the SN74LVC652 series?

A: The primary difference is the supply voltage range. The 74LCX652MTCX operates from 2V to 3.6V, while the SN74LVC652 series operates from 1.65V to 3.6V. All other electrical parameters, including output current, logic function, and package form factor, are identical. The extended lower voltage range of the SN74LVC652 series provides additional design flexibility for low-power applications.

Q: Are there packaging differences among the SN74LVC652 variants?

A: The three SN74LVC652 variants differ only in packaging format: SN74LVC652APW is supplied in Tube, SN74LVC652APWR in Tape & Reel, and SN74LVC652APWT in Tape & Reel. All three use the same 24-TSSOP package and have identical electrical specifications. Selection depends on assembly and procurement requirements.

Q: Is the 24-TSSOP package footprint identical across all substitute parts?

A: Yes, all substitute parts use the 24-TSSOP package with 0.173" width and 4.40mm width specification. PCB footprints and assembly processes are directly compatible.

Q: Do all substitute parts meet the same compliance standards?

A: Yes, all substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the original 74LCX652MTCX.

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