SN74LVC245APWRG3-J Equivalent & Substitute Parts

Part Overview

The SN74LVC245APWRG3-J is a non-inverting transceiver logic integrated circuit manufactured by Texas Instruments. This device functions as a 1-element, 8-bit per element transceiver with 3-state output capability, housed in a 20-TSSOP surface mount package. The part is classified as Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity).

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same logic family, enabling direct replacement in circuit applications without functional degradation.

Key Parameters

Parameter	Value
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	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC245APWRG3-J are identified based on strict equivalence of the following critical parameters:

Electrical Equivalence Criteria:

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: 1.65V ~ 3.6V
Operating Temperature: -40°C ~ 125°C (TA)

Mechanical Equivalence Criteria:

Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

The identified substitutes maintain identical electrical performance and physical form factor, differing only in packaging configuration (Tape & Reel versus prototype packaging) and series designation within the Texas Instruments 74LVC logic family.

Parameter Comparison

Parameter	SN74LVC245APWRG3-J	SN74LVC245APWT	SN74LVCH245APWT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	Transceiver, Non-Inverting	Transceiver, Non-Inverting	Transceiver, Non-Inverting
Number of Elements	1	1	1
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	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74LVC245APWT is a direct parametric equivalent to the SN74LVC245APWRG3-J. Both parts share identical electrical specifications, thermal operating range, and physical package dimensions. The primary distinction is packaging configuration: SN74LVC245APWT is supplied in Tape & Reel format with 5040 units in stock, compared to the prototype packaging of the main part. Both maintain Active product status and full RoHS3 compliance.

SN74LVCH245APWT is a parametric equivalent within the extended 74LVCH logic series. This part maintains all critical electrical parameters, supply voltage range, output current specifications, and thermal operating characteristics identical to the main part. The series designation change (74LVCH versus 74LVC) reflects product line evolution within Texas Instruments' logic portfolio. SN74LVCH245APWT is supplied in Tape & Reel format with 1961 units in stock and maintains Active product status with RoHS3 compliance.

Both substitute parts are suitable for direct replacement in applications requiring non-inverting transceiver functionality with 3-state output in the 20-TSSOP package form factor.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC245APWT be used as a direct replacement for SN74LVC245APWRG3-J?

A: Yes. Both parts are parametrically equivalent with identical electrical specifications, output current ratings, supply voltage range, operating temperature range, and physical package dimensions. The difference is packaging format: SN74LVC245APWT is supplied in Tape & Reel configuration.

Q: What is the difference between SN74LVC245APWT and SN74LVCH245APWT?

A: Both parts maintain identical electrical performance and package specifications. The difference is the logic series designation: 74LVC versus 74LVCH. Both are Active products from Texas Instruments with RoHS3 compliance and MSL Level 1 rating.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the 20-TSSOP package with identical pin configuration, enabling direct PCB-level substitution without layout modification.

Q: Do these parts have the same moisture sensitivity requirements?

A: Yes. All three parts carry MSL Level 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: What is the supply voltage operating range for these transceiver parts?

A: The supply voltage range is 1.65V to 3.6V for all three parts, enabling operation across low-voltage logic applications.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are RoHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing and use.

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