SN74HC595DW 8-Bit Shift Register Equivalent & Substitute Parts

Part Overview

The SN74HC595DW is an 8-bit shift register manufactured by Texas Instruments, packaged in 16-SOIC surface mount configuration. This component functions as a serial-to-parallel converter with tri-state output capability, commonly used in digital logic applications requiring data serialization and parallel output control.

The SN74HC595DW currently holds Last Time Buy status, indicating discontinued production. Identifying qualified substitute parts is necessary to maintain design continuity and ensure component availability for ongoing production and maintenance requirements.

Key Parameters

Parameter	Value
Logic Type	Shift Register
Number of Elements	1
Number of Bits per Element	8
Output Type	Tri-State
Function	Serial to Parallel, Serial
Voltage - Supply	2V ~ 6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SOIC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74HC595DW is determined by the following critical parameters:

Logic Type: Shift Register (8-bit configuration)
Output Type: Tri-State
Function: Serial to Parallel, Serial conversion capability
Voltage Supply Range: 2V ~ 6V minimum compatibility
Operating Temperature Range: -40°C minimum to 85°C minimum
Mounting Type: Surface Mount
Package: 16-SOIC form factor
Base Product Number: 74HC595 series

All qualified substitutes maintain identical functional specifications and electrical characteristics within these parameters. Packaging format variations (Tube, Cut Tape, Digi-Reel) do not affect electrical compatibility and represent logistics and procurement options only.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Logic Type	Output Type	Bits per Element	Voltage Supply	Operating Temp	Package	Product Status	Inventory
SN74HC595DW	Texas Instruments	Shift Register	Tri-State	8	2V ~ 6V	-40°C ~ 85°C	16-SOIC	Last Time Buy	1935 Pcs
SN74HC595DWR	Texas Instruments	Shift Register	Tri-State	8	2V ~ 6V	-40°C ~ 85°C	16-SOIC	Active	2200 Pcs
74HC595D,118	Nexperia USA Inc.	Shift Register	Tri-State	8	2V ~ 6V	-40°C ~ 125°C	16-SOIC	Active	1000100 Pcs
MM74HC595M	onsemi	Shift Register	Tri-State	8	2V ~ 6V	-40°C ~ 85°C	16-SOIC	Active	2100 Pcs
MM74HC595MX	onsemi	Shift Register	Tri-State	8	2V ~ 6V	-40°C ~ 85°C	16-SOIC	Active	1431 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status with established manufacturing support, contrasting with the SN74HC595DW Last Time Buy designation. Selection among qualified substitutes should prioritize:

SN74HC595DWR (Texas Instruments) provides direct manufacturer continuity from the original part source, maintaining identical electrical and thermal specifications. This part is recommended for designs requiring minimal qualification effort and established supply chain relationships with Texas Instruments.

74HC595D,118 (Nexperia USA Inc.) extends the operating temperature range to -40°C ~ 125°C, providing enhanced thermal margin for applications operating at elevated ambient temperatures. This part offers the highest inventory availability among all substitutes.

MM74HC595M and MM74HC595MX (onsemi) provide functionally equivalent alternatives with Active status and established supply availability. These parts maintain identical core specifications and represent alternative sourcing options for supply chain diversification.

All substitute parts comply with ROHS3 and maintain Moisture Sensitivity Level 1 (Unlimited) classification, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can SN74HC595DW be directly replaced with SN74HC595DWR?

A: Yes. Both parts share identical electrical specifications, operating temperature range (-40°C ~ 85°C), supply voltage (2V ~ 6V), and 16-SOIC package configuration. The primary difference is packaging format (Tube vs. Cut Tape/Digi-Reel) and product status transition from Last Time Buy to Active.

Q: What is the significance of the extended temperature range in 74HC595D,118?

A: The 74HC595D,118 operates to -40°C ~ 125°C, compared to -40°C ~ 85°C for the original SN74HC595DW. This extended upper temperature limit provides additional thermal margin for applications in elevated ambient environments. The part remains electrically equivalent within the original operating range.

Q: Are packaging format differences (Tube, Cut Tape, Digi-Reel) electrically significant?

A: No. Packaging format variations represent logistics and procurement options only. Electrical performance, pin configuration, and functional characteristics remain identical across all packaging formats for the same base part number.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), ensuring compatibility with standard manufacturing processes and environmental regulations.

Q: Which substitute part offers the highest inventory availability?

A: The 74HC595D,118 (Nexperia USA Inc.) maintains the highest inventory level at 1,000,100 pieces, providing maximum supply security for high-volume production requirements.

Q: Are there functional differences between Texas Instruments and onsemi versions?

A: No. All parts implement identical 8-bit shift register functionality with tri-state output, serial-to-parallel conversion capability, and equivalent electrical specifications. Manufacturer differences reflect alternative qualified sources within the 74HC595 product family.

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