74VHC595MX Equivalent & Substitute Parts

Part Overview

The 74VHC595MX is an 8-bit shift register logic IC manufactured by onsemi, supplied in 16-SOIC surface mount packaging. This device functions as a serial-to-parallel converter with tri-state output capability, operating across a 2V to 5.5V supply voltage range. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the original 74VHC595MX becomes unavailable, when alternative packaging formats are required, or when extended operating temperature ranges are needed for specific applications.

Key Parameters

Parameter	Value
Logic Type	Shift Register
Number of Bits per Element	8
Output Type	Tri-State
Function	Serial to Parallel, Serial
Voltage - Supply	2V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74VHC595MX is determined by the following criteria:

Core Compatibility Parameters:

Logic Type: Shift Register
Number of Bits per Element: 8
Output Type: Tri-State
Function: Serial to Parallel, Serial
Voltage - Supply: 2V ~ 5.5V
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Substitution Categories:

Upgrade Substitutes possess extended operating temperature ranges (-55°C to 125°C or -40°C to 125°C) while maintaining all core electrical parameters. These parts provide enhanced reliability for demanding thermal environments.

Direct Substitutes from alternative manufacturers (Diodes Incorporated, Texas Instruments, Nexperia USA Inc.) maintain identical electrical specifications and packaging, differing only in manufacturer and packaging format (Tape & Reel vs. Cut Tape).

Parametric Equivalents from the 74LV series operate within the same voltage and temperature envelope as the 74VHC595MX, with functionally equivalent shift register architecture. These parts are suitable for applications where the lower voltage threshold does not present a constraint.

Parameter Comparison

Part Number	Manufacturer	Series	Voltage - Supply	Operating Temperature	Packaging	Product Status
74VHC595MX	onsemi	74VHC	2V ~ 5.5V	-40°C ~ 85°C	Cut Tape (CT) & Digi-Reel®	Active
MC74VHC595DR2G	onsemi	74VHC	2V ~ 5.5V	-55°C ~ 125°C	Tape & Reel (TR)	Active
74AHC595S16-13	Diodes Incorporated	74AHC	2V ~ 5.5V	-40°C ~ 125°C	Tape & Reel (TR)	Active
SN74AHC595D	Texas Instruments	74AHC	2V ~ 5.5V	-40°C ~ 125°C	Tube	Discontinued at DiGi Electronics
SN74AHC595DR	Texas Instruments	74AHC	2V ~ 5.5V	-40°C ~ 125°C	Tape & Reel (TR)	Active
74AHC595D,118	Nexperia USA Inc.	74AHC	2V ~ 5.5V	-40°C ~ 125°C	Tape & Reel (TR)	Active
SN74LV595ADR	Texas Instruments	74LV	2V ~ 5.5V	-40°C ~ 85°C	Cut Tape (CT) & Digi-Reel®	Active
SN74LV595ADRG3	Texas Instruments	74LV	2V ~ 5.5V	-40°C ~ 85°C	Tape & Reel (TR)	Active

Engineering Selection Recommendations

For Direct Replacement with Extended Temperature Range: MC74VHC595DR2G is the primary upgrade substitute, maintaining onsemi manufacturing continuity while extending the operating temperature range to -55°C to 125°C. This part is suitable for applications requiring enhanced thermal performance.

For Multi-Source Availability: SN74AHC595DR (Texas Instruments) and 74AHC595D,118 (Nexperia USA Inc.) provide active production alternatives with extended temperature ranges (-40°C to 125°C) and are available in Tape & Reel packaging. Both maintain ROHS3 compliance and identical electrical specifications.

For Equivalent Performance with Alternative Series: SN74LV595ADR and SN74LV595ADRG3 from the 74LV series are parametric equivalents suitable for applications where the operating temperature range of -40°C to 85°C is acceptable. These parts maintain identical voltage supply specifications and functional characteristics.

Avoid: SN74AHC595D is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can I use MC74VHC595DR2G as a direct replacement for 74VHC595MX? A: Yes. Both parts share identical electrical specifications, package type (16-SOIC), and functional characteristics. MC74VHC595DR2G offers an extended operating temperature range (-55°C to 125°C versus -40°C to 85°C) and is supplied in Tape & Reel packaging instead of Cut Tape.

Q: What is the difference between 74VHC and 74AHC series shift registers? A: Both series are functionally equivalent 8-bit shift registers with tri-state outputs operating at 2V to 5.5V. The primary difference is manufacturer and extended temperature range availability. 74AHC parts from Texas Instruments, Diodes Incorporated, and Nexperia offer -40°C to 125°C operation, while 74VHC parts from onsemi operate at -40°C to 85°C (or -55°C to 125°C for the MC74VHC595DR2G variant).

Q: Are 74LV595 parts suitable substitutes? A: Yes, for applications where the operating temperature range of -40°C to 85°C is acceptable. SN74LV595ADR and SN74LV595ADRG3 maintain identical voltage supply specifications (2V to 5.5V) and shift register functionality. Verify that your application does not require the extended temperature capability of 74AHC or MC74VHC595DR2G variants.

Q: What packaging formats are available? A: Substitute parts are available in Cut Tape (CT) & Digi-Reel®, Tape & Reel (TR), and Tube formats. All maintain the 16-SOIC (0.154", 3.90mm Width) package footprint. Select packaging based on your procurement and assembly requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), matching the original 74VHC595MX specifications.

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