SN74LVC244APWR-P Equivalent & Substitute Parts

Part Overview

The SN74LVC244APWR-P is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, classified within the 74LVC series. This device functions as a 2-element, 4-bit per element buffer with 3-state output capability, designed for signal buffering and line driving applications in digital logic systems. The part is currently in active production status. Substitute parts are identified when inventory constraints, lead time requirements, or specific application certifications necessitate alternative sourcing while maintaining full electrical and mechanical compatibility.

Substiute Parts

SN74LVC244APWR-P

Texas InstrumentsIn Stock: 688SN74LVC244APWR-P Datasheet

Current PartRFQ

CLVC244AQPWRG4Q1

Texas InstrumentsIn Stock: 3910CLVC244AQPWRG4Q1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC244APWR-P are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Electrical Parameters (Must Match Exactly):

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

Mechanical Parameters (Must Match Exactly):

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

Compliance Parameters:

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

The CLVC244AQPWRG4Q1 meets all specified electrical and mechanical parameters. This substitute is qualified to AEC-Q100 automotive standards and is available in Tape & Reel packaging, distinguishing it from the prototype packaging of the main part.

Parameter Comparison

Engineering Selection Recommendations

Both the SN74LVC244APWR-P and CLVC244AQPWRG4Q1 are active production parts from Texas Instruments with identical electrical and mechanical specifications. Selection between these parts should be based on the following criteria:

SN74LVC244APWR-P is appropriate for:

• Standard industrial and consumer applications
• Prototype and development environments
• Applications where automotive qualification is not required

CLVC244AQPWRG4Q1 is appropriate for:

• Automotive applications requiring AEC-Q100 qualification
• Production environments requiring Tape & Reel packaging
• Applications where automotive-grade reliability is specified

Both parts are ROHS3 compliant with MSL 1 rating, indicating unlimited shelf life under standard storage conditions. The choice between these parts does not affect circuit functionality, electrical performance, or thermal characteristics.

Frequently Asked Questions (FAQ)

Q: Can CLVC244AQPWRG4Q1 be used as a direct replacement for SN74LVC244APWR-P?

A: Yes. Both parts have identical electrical specifications (logic type, element count, bit width, output type, current ratings, supply voltage, and operating temperature range) and identical mechanical specifications (20-TSSOP package, surface mount). The primary differences are packaging format (Tape & Reel versus prototype) and automotive qualification grade.

Q: What is the difference between the packaging formats?

A: SN74LVC244APWR-P is supplied in prototype packaging, suitable for small-quantity or development applications. CLVC244AQPWRG4Q1 is supplied in Tape & Reel (TR) format, standard for high-volume production environments.

Q: Does the automotive qualification of CLVC244AQPWRG4Q1 affect its use in non-automotive applications?

A: No. AEC-Q100 qualification indicates that the part meets automotive reliability standards. Parts qualified to automotive standards are fully compatible with standard industrial and consumer applications and offer equivalent or superior reliability characteristics.

Q: Are there any pin compatibility issues between these parts?

A: No. Both parts use the identical 20-TSSOP package with the same pin configuration and pinout. No PCB layout modifications are required when substituting between these parts.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life. These parts do not require special moisture-controlled storage and can be stored under standard conditions without time-based degradation.

Q: Are both parts RoHS compliant?

A: Yes. Both SN74LVC244APWR-P and CLVC244AQPWRG4Q1 are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.