74LVC2245AD,112 Equivalent & Substitute Parts

Part Overview

The 74LVC2245AD,112 is a non-inverting transceiver logic IC manufactured by Nexperia USA Inc., designed for 8-bit bidirectional data transfer with 3-state output capability. This component operates across a supply voltage range of 1.2V to 3.6V and is housed in a 20-SOIC package. The part is currently classified as obsolete, making equivalent substitute parts necessary for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC2245AD,112
Manufacturer	Nexperia USA Inc.
Logic Type	Transceiver, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	12mA, 12mA
Voltage - Supply	1.2V ~ 3.6V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	20-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74LVC2245AD,112 is determined by the following critical parameters:

Logic type: Transceiver, Non-Inverting
Bit configuration: 1 Element, 8 Bits per Element
Output configuration: 3-State
Package type: 20-SOIC (0.295", 7.50mm Width)
Operating temperature range: -40°C ~ 125°C (TA)
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1 (Unlimited)

Substitute parts must maintain compatibility across these parameters. Output current specifications may vary within acceptable design margins. Supply voltage ranges may differ provided the substitute operates within the application's required voltage window. All identified substitutes are manufactured by Texas Instruments and maintain active product status, ensuring long-term availability and supply chain stability.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements / Bits	Output Type	Current (High/Low)	Supply Voltage	Operating Temp	Package	Status
74LVC2245AD,112	Nexperia USA Inc.	74LVC	Transceiver, Non-Inverting	1 / 8	3-State	12mA, 12mA	1.2V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Obsolete
SN74LVC245ADW	Texas Instruments	74LVC	Transceiver, Non-Inverting	1 / 8	3-State	24mA, 24mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active
SN74LVC245ADWR	Texas Instruments	74LVC	Transceiver, Non-Inverting	1 / 8	3-State	24mA, 24mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active
SN74LVCH245ADW	Texas Instruments	74LVCH	Transceiver, Non-Inverting	1 / 8	3-State	24mA, 24mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active
SN74LVCH245ADWR	Texas Instruments	74LVCH	Transceiver, Non-Inverting	1 / 8	3-State	24mA, 24mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active
SN74LVCR2245ADW	Texas Instruments	74LVCR	Transceiver, Non-Inverting	1 / 8	3-State	12mA, 12mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active
SN74LVCR2245ADWR	Texas Instruments	74LVCR	Transceiver, Non-Inverting	1 / 8	3-State	12mA, 12mA	1.65V ~ 3.6V	-40°C ~ 125°C	20-SOIC	Active

Engineering Selection Recommendations

All identified substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, ensuring regulatory and environmental compatibility with the original 74LVC2245AD,112 specification.

Texas Instruments SN74LVC245ADW and SN74LVC245ADWR variants represent direct functional equivalents within the 74LVC series, maintaining identical logic architecture while offering enhanced output current capability (24mA versus 12mA). These parts are available in active production status with substantial inventory availability.

The SN74LVCH245ADW and SN74LVCH245ADWR variants operate within the 74LVCH series, providing equivalent functionality with active product status and higher output current specifications. These parts are suitable for applications requiring enhanced drive capability.

The SN74LVCR2245ADW and SN74LVCR2245ADWR variants maintain output current specifications matching the original part (12mA) while offering active product status and improved supply voltage floor (1.65V minimum). These parts are optimal for designs requiring current-limited output characteristics.

All substitute parts operate across the full -40°C to 125°C temperature range and are housed in identical 20-SOIC packaging, ensuring mechanical and thermal compatibility with existing PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC245ADWR directly replace 74LVC2245AD,112 in existing designs?

A: Yes. Both parts maintain identical logic type (Transceiver, Non-Inverting), bit configuration (1 Element, 8 Bits), output type (3-State), and package format (20-SOIC). The SN74LVC245ADWR offers higher output current (24mA versus 12mA) and operates across 1.65V to 3.6V supply range. Applications operating above 1.2V minimum supply voltage will function without modification.

Q: What is the difference between 74LVC, 74LVCH, and 74LVCR series variants?

A: All three series maintain identical logic functionality and pin configuration. The primary distinction is output current capability: 74LVC and 74LVCR variants provide 12mA output current, while 74LVCH variants provide 24mA. Series selection depends on load current requirements. All variants operate across -40°C to 125°C and are housed in 20-SOIC packaging.

Q: Are packaging options interchangeable between substitute parts?

A: All identified substitutes are available in 20-SOIC packaging matching the original part specification. Packaging variants (Tube, Cut Tape & Digi-Reel, Tape & Reel) refer to supply format only and do not affect electrical or mechanical compatibility. Component functionality remains identical regardless of packaging format.

Q: Does the supply voltage range difference affect substitution eligibility?

A: The original 74LVC2245AD,112 operates from 1.2V to 3.6V. Texas Instruments substitutes operate from 1.65V to 3.6V. Applications operating at supply voltages of 1.65V or higher will function without modification. Applications requiring operation below 1.65V require design review to confirm compatibility with substitute parts.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, matching the original part specification.

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