74LCX241MTC Equivalent & Substitute Parts

Part Overview

The 74LCX241MTC is a non-inverting buffer logic integrated circuit manufactured by onsemi, designed for 2-element, 4-bit per element configurations with 3-state output capability. This device operates across a supply voltage range of 2V to 3.6V and is housed in a 20-TSSOP surface mount package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LCX241MTC
Manufacturer	onsemi
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 74LCX241MTC are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Logic type: Buffer, Non-Inverting
Number of elements: 2
Number of bits per element: 4
Output type: 3-State
Output current capability: 24mA (high and low)
Package type: 20-TSSOP surface mount
Pin count and footprint compatibility

The 74LCX244MTC (onsemi) qualifies as a parametric equivalent, maintaining identical electrical specifications and package configuration while offering active product status. The 74LVC241AT20-13 (Diodes Incorporated) functions as a direct manufacturer alternative, providing the same logic configuration and package with extended operating temperature range and improved supply voltage tolerance.

Parameter Comparison

Parameter	74LCX241MTC (Main)	74LCX244MTC (Substitute)	74LVC241AT20-13 (Substitute)
Manufacturer	onsemi	onsemi	Diodes Incorporated
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	2	2	2
Number of Bits per Element	4	4	4
Output Type	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	2V ~ 3.6V	2V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 125°C (TA)
Package / Case	20-TSSOP	20-TSSOP	20-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

For applications currently using the 74LCX241MTC, the 74LCX244MTC represents the primary substitution path. Both devices are manufactured by onsemi, share identical electrical specifications, and maintain the same operating temperature range. The 74LCX244MTC carries active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment.

The 74LVC241AT20-13 from Diodes Incorporated serves as an alternative for designs requiring extended operating temperature capability (-40°C to 125°C) or lower minimum supply voltage operation (1.65V). This device maintains full electrical compatibility at the 74LCX241MTC's specified operating conditions while offering enhanced performance margins. The 74LVC241AT20-13 is ROHS3 compliant and actively manufactured.

Both substitute parts are available in active production status, eliminating obsolescence risk associated with the original 74LCX241MTC.

Frequently Asked Questions (FAQ)

Q: Can the 74LCX244MTC directly replace the 74LCX241MTC in existing designs?

A: Yes. The 74LCX244MTC maintains identical electrical specifications, output current ratings, supply voltage range, operating temperature range, and 20-TSSOP package configuration. Pin-for-pin compatibility is assured for direct substitution.

Q: What are the key differences between the 74LCX244MTC and 74LVC241AT20-13?

A: Both devices provide equivalent logic functionality and package compatibility. The 74LVC241AT20-13 offers extended operating temperature range (up to 125°C versus 85°C) and lower minimum supply voltage (1.65V versus 2V). The 74LCX244MTC maintains onsemi manufacturing continuity.

Q: Are there supply voltage compatibility concerns when substituting?

A: The 74LCX244MTC operates within the identical 2V to 3.6V range as the original part. The 74LVC241AT20-13 accepts 1.65V to 3.6V, providing broader voltage tolerance while remaining fully compatible at the 74LCX241MTC's specified operating range.

Q: Do packaging and mounting considerations differ between these parts?

A: All three parts use the 20-TSSOP surface mount package with identical 0.173" width and 4.40mm dimensions. PCB footprints and reflow profiles are interchangeable.

Q: What compliance certifications apply to the substitute parts?

A: Both the 74LCX244MTC and 74LVC241AT20-13 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement.

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