SN74HCS264DR Equivalent & Substitute Parts

Part Overview

The SN74HCS264DR is an 8-bit shift register logic integrated circuit manufactured by Texas Instruments in the 74HCS series. This device functions as a serial-to-parallel converter with push-pull output configuration, housed in a 14-SOIC surface mount package. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and operational parameters align with the original specification, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

SN74HCS264DR

Texas InstrumentsIn Stock: 2457SN74HCS264DR Datasheet

Current PartRFQ

SN74HCS164DR

Texas InstrumentsIn Stock: 2462SN74HCS164DR Datasheet

Parametric EquivalentRFQ

SN74HCS164QDRQ1

Texas InstrumentsIn Stock: 3534SN74HCS164QDRQ1 Datasheet

Parametric EquivalentRFQ

SN74HCS264QDRQ1

Texas InstrumentsIn Stock: 10153SN74HCS264QDRQ1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74HCS264DR is determined by strict alignment of the following parameters:

Critical Substitution Parameters:

• Logic Type: Shift Register
• Number of Bits per Element: 8 Bit
• Function: Serial to Parallel
• Output Type: Push-Pull
• Voltage Supply Range: 2V ~ 6V
• Operating Temperature Range: -40°C ~ 125°C (TA)
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All identified substitute parts maintain identical electrical specifications and mechanical packaging. Substitutes are grouped into two categories: standard industrial grade and automotive-qualified variants. The automotive-qualified parts (QDRQ1 suffix) include AEC-Q100 qualification and are suitable for applications requiring automotive-grade reliability assurance.

Parameter Comparison

Engineering Selection Recommendations

SN74HCS164DR is a direct parametric equivalent suitable for applications where industrial-grade reliability is sufficient. This part maintains identical electrical and mechanical specifications to the SN74HCS264DR and is appropriate for general-purpose logic applications.

SN74HCS164QDRQ1 and SN74HCS264QDRQ1 are automotive-qualified variants carrying AEC-Q100 certification. These parts are required for automotive applications, safety-critical systems, or designs subject to automotive industry standards. The QDRQ1 designation indicates qualification for automotive-grade environmental and reliability testing.

Selection between industrial and automotive grades depends on application requirements and compliance mandates. All substitute parts share identical electrical performance parameters, supply voltage ranges, operating temperature specifications, and physical packaging dimensions, enabling direct circuit substitution within their respective qualification categories.

Frequently Asked Questions (FAQ)

Q: Can SN74HCS164DR be used as a direct replacement for SN74HCS264DR?

A: Yes. Both parts are parametrically equivalent with identical electrical specifications, voltage supply ranges (2V ~ 6V), operating temperature ranges (-40°C ~ 125°C), and 14-SOIC packaging. The parts differ only in internal shift register configuration but maintain equivalent functional performance for serial-to-parallel conversion applications.

Q: What is the difference between industrial and automotive-qualified variants?

A: Automotive-qualified parts (QDRQ1 suffix) carry AEC-Q100 certification and are subjected to enhanced environmental and reliability testing required for automotive applications. Industrial-grade parts (non-QDRQ1) are suitable for general-purpose logic applications. Both variants maintain identical electrical and mechanical parameters.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts are housed in 14-SOIC (0.154", 3.90mm Width) surface mount packages with identical pin configurations and mechanical dimensions, enabling direct PCB substitution without layout modifications.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All listed substitute parts are RoHS3 compliant with REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity rating, meeting current environmental and regulatory requirements.

Q: Which substitute part should be selected for automotive applications?

A: SN74HCS164QDRQ1 or SN74HCS264QDRQ1 are required for automotive applications due to AEC-Q100 qualification. These parts undergo automotive-grade testing and are suitable for safety-critical and regulated automotive systems.

Q: Are there any functional differences between SN74HCS264DR and SN74HCS164DR?

A: Both parts function as 8-bit serial-to-parallel shift registers with push-pull output configuration. Functional differences exist in internal shift register architecture, but both maintain equivalent performance for serial-to-parallel conversion applications within specified electrical parameters.