SN74HC164PW 8-Bit Shift Register Equivalent & Substitute Parts

Part Overview

The SN74HC164PW is an 8-bit serial-in parallel-out shift register manufactured by Texas Instruments in a 14-TSSOP surface mount package. This part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The 74HC164 logic family provides serial-to-parallel data conversion functionality across multiple manufacturers, with several active alternatives available to maintain design continuity.

Substiute Parts

SN74HC164PW

Texas InstrumentsIn Stock: 2068SN74HC164PW Datasheet

Current PartRFQ

SN74HC164PWR

Texas InstrumentsIn Stock: 2147SN74HC164PWR Datasheet

DirectRFQ

MC74HC164ADTR2G

onsemiIn Stock: 125371MC74HC164ADTR2G Datasheet

DirectRFQ

MM74HC164MTCX

Fairchild SemiconductorIn Stock: 1518MM74HC164MTCX Datasheet

DirectRFQ

74HC164PW,118

Nexperia USA Inc.In Stock: 1885374HC164PW,118 Datasheet

MFR RecommendedRFQ

74HC164PW-Q100J

Nexperia USA Inc.In Stock: 72774HC164PW-Q100J Datasheet

MFR RecommendedRFQ

NLV74HC164ADTR2G

onsemiIn Stock: 1531NLV74HC164ADTR2G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74HC164PW is determined by strict equivalence across the following parameters: 8-bit shift register configuration, serial-to-parallel function, push-pull output type, 2V to 6V supply voltage range, 14-TSSOP package geometry, and surface mount mounting type. All substitute parts maintain the base product number 74HC164 and are functionally interchangeable at the logic level.

Substitutes are grouped by product status and packaging format. Direct substitutes from Texas Instruments (SN74HC164PWR) and Nexperia (74HC164PW,118) maintain identical electrical specifications. Cross-manufacturer alternatives from onsemi (MC74HC164ADTR2G, NLV74HC164ADTR2G) and Fairchild Semiconductor (MM74HC164MTCX) provide functional equivalence with minor variations in operating temperature range and product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring immediate replacement of the discontinued SN74HC164PW, SN74HC164PWR from Texas Instruments provides direct equivalence with active product status and identical electrical specifications. This option maintains single-source continuity within the original manufacturer.

For high-volume procurement, MC74HC164ADTR2G from onsemi offers the largest available inventory (125,300 pcs) with extended lower operating temperature range (-55°C) and active product status. This part is suitable for applications requiring enhanced cold-temperature performance.

The 74HC164PW,118 from Nexperia USA Inc. provides an alternative with substantial inventory availability (18,818 pcs) and active status. This part maintains identical operating temperature range and RoHS3 compliance.

The 74HC164PW-Q100J variant from Nexperia includes AEC-Q100 automotive qualification and is designated for automotive-grade applications requiring formal qualification documentation.

The MM74HC164MTCX from Fairchild Semiconductor is available in bulk packaging but operates only to 85°C maximum, making it unsuitable for applications requiring the full -40°C to 125°C range.

The NLV74HC164ADTR2G from onsemi carries obsolete product status and should be avoided for new designs despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can SN74HC164PWR directly replace SN74HC164PW? A: Yes. Both parts are Texas Instruments 74HC164 shift registers with identical electrical specifications, supply voltage range (2V-6V), operating temperature range (-40°C to 125°C), and 14-TSSOP package. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tube) and product status (Active versus Discontinued).

Q: What is the difference between MC74HC164ADTR2G and SN74HC164PWR? A: Both are functionally equivalent 8-bit shift registers in 14-TSSOP packages with identical supply voltage (2V-6V) and push-pull outputs. MC74HC164ADTR2G extends the lower operating temperature to -55°C (versus -40°C for SN74HC164PWR) and is supplied on Tape & Reel. MC74HC164ADTR2G has significantly higher inventory availability.

Q: Is the 74HC164PW,118 from Nexperia compatible with the original SN74HC164PW? A: Yes. The Nexperia part maintains all critical parameters: 8-bit serial-to-parallel shift register function, 2V-6V supply voltage, -40°C to 125°C operating temperature, 14-TSSOP package, and RoHS3 compliance. Pin configuration and logic timing are equivalent.

Q: Why should MM74HC164MTCX be avoided? A: The Fairchild part operates only to 85°C maximum temperature, which is below the -40°C to 125°C specification of the original SN74HC164PW. Applications requiring the full temperature range cannot use this substitute.

Q: What does AEC-Q100 qualification on 74HC164PW-Q100J mean? A: AEC-Q100 is an automotive industry qualification standard. The 74HC164PW-Q100J variant is qualified for automotive applications and includes formal reliability and quality documentation required by automotive manufacturers.

Q: Can I use NLV74HC164ADTR2G as a substitute? A: NLV74HC164ADTR2G carries obsolete product status. While current inventory exists, this part should not be selected for new designs due to discontinued lifecycle status and potential future unavailability.

Q: What packaging format should I select? A: Packaging selection depends on assembly requirements. Cut Tape & Digi-Reel format (SN74HC164PWR, 74HC164PW,118, NLV74HC164ADTR2G) suits automated pick-and-place assembly. Tape & Reel format (MC74HC164ADTR2G, 74HC164PW-Q100J) is standard for high-volume production. Tube format (SN74HC164PW) is typically used for manual assembly or lower volumes.