74LCXP16245MEAX Equivalent & Substitute Parts

Part Overview

The 74LCXP16245MEAX is a non-inverting transceiver IC manufactured by onsemi, featuring 2 elements with 8 bits per element and 3-state output capability. This component operates across a supply voltage range of 2V to 3.6V and is housed in a 48-BSSOP surface mount package. The product 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	74LCXP16245MEAX
Manufacturer	onsemi
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
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	48-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74LCXP16245MEAX is determined by the following critical parameters:

Logic type: Transceiver, Non-Inverting
Element and bit configuration: 2 elements, 8 bits per element
Output capability: 3-State output
Output current: 24mA high and low
Package type: 48-BSSOP surface mount
Operating temperature range: -40°C ~ 85°C (TA)

The substitute parts identified—74LVC16245APVG and 74LVC16245APVG8—maintain identical functional specifications and package geometry. Both alternatives are manufactured by Renesas Electronics Corporation and belong to the 74LVC logic series. The primary differences between these substitutes relate to product status, packaging format (Tube versus Tape & Reel), and compliance certifications rather than electrical or mechanical characteristics.

Parameter Comparison

Parameter	74LCXP16245MEAX	74LVC16245APVG	74LVC16245APVG8
Manufacturer	onsemi	Renesas Electronics Corporation	Renesas Electronics Corporation
Logic Type	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting
Number of Elements	2	2	2
Number of Bits per Element	8	8	8
Output Type	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	2V ~ 3.6V	2.7V ~ 3.6V	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Package / Case	48-BSSOP (0.295", 7.50mm Width)	48-BSSOP (0.295", 7.50mm Width)	48-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Last Time Buy	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

For applications currently using the 74LCXP16245MEAX, the 74LVC16245APVG8 is the primary recommended substitute. This part maintains active product status, ensuring long-term availability and supply chain stability. Both substitute options are ROHS3 compliant and REACH unaffected, meeting modern regulatory requirements.

The 74LVC16245APVG8 is supplied in Tape & Reel format, which is standard for high-volume manufacturing and automated assembly processes. The 74LVC16245APVG, available in Tube packaging, serves as an alternative for lower-volume applications or situations where Tape & Reel format is not required.

A minor consideration exists regarding the minimum supply voltage specification: the 74LCXP16245MEAX supports operation down to 2V, while both 74LVC substitutes specify a minimum of 2.7V. This difference is relevant only for applications requiring operation below 2.7V supply voltage. Additionally, the substitute parts specify MSL 3 (168 Hours) compared to the original part's MSL 1 (Unlimited), which may affect moisture handling procedures during storage and assembly.

Frequently Asked Questions (FAQ)

Q: Can the 74LVC16245APVG8 be used as a direct replacement for the 74LCXP16245MEAX?

A: Yes. Both parts share identical logic type, element configuration, bit width, output type, output current ratings, operating temperature range, and package geometry. The electrical and mechanical compatibility is complete for standard applications operating at supply voltages of 2.7V or higher.

Q: What is the significance of the supply voltage difference between 2V and 2.7V?

A: The 74LCXP16245MEAX supports operation from 2V to 3.6V, while the 74LVC substitutes operate from 2.7V to 3.6V. If your application requires operation below 2.7V supply voltage, the substitute parts are not suitable. For applications operating at 2.7V or above, this difference is not a limiting factor.

Q: Why do the substitute parts have different Moisture Sensitivity Levels?

A: The 74LCXP16245MEAX specifies MSL 1 (Unlimited), while the 74LVC16245APVG and 74LVC16245APVG8 specify MSL 3 (168 Hours). MSL 3 requires that the component be used within 168 hours of the package being opened. This affects storage and handling procedures but does not impact electrical performance or functionality.

Q: What is the difference between 74LVC16245APVG and 74LVC16245APVG8?

A: Both parts are electrically identical. The primary difference is packaging format: 74LVC16245APVG is supplied in Tube packaging, while 74LVC16245APVG8 is supplied in Tape & Reel format. Additionally, 74LVC16245APVG8 has Active product status, while 74LVC16245APVG is Last Time Buy. For new designs, 74LVC16245APVG8 is preferred due to its active status and standard manufacturing packaging.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both 74LVC16245APVG and 74LVC16245APVG8 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Can I use these parts interchangeably in my PCB design?

A: Yes. All three parts use the 48-BSSOP package with identical pin assignments and footprint geometry. No PCB layout modifications are required when substituting between these parts.

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