CD74HC4017PW Equivalent & Substitute Parts

Part Overview

The CD74HC4017PW is a decade counter logic integrated circuit manufactured by Texas Instruments, designed for counting applications requiring a 10-bit positive/negative trigger counter in a 16-TSSOP surface mount package. This part is classified as Last Time Buy, indicating discontinued production status. Alternative equivalent parts are necessary for new designs, ongoing production requirements, and long-term supply chain continuity.

Substiute Parts

CD74HC4017PW

Texas InstrumentsIn Stock: 1456CD74HC4017PW Datasheet

Current PartRFQ

CD74HC4017PWR

Texas InstrumentsIn Stock: 1597CD74HC4017PWR Datasheet

DirectRFQ

74HC4017PW,118

Nexperia USA Inc.In Stock: 1563774HC4017PW,118 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CD74HC4017PW is determined by strict equivalence across the following critical parameters:

• Base product number: 74HC4017
• Logic type and function: Counter, Decade with 10-bit configuration
• Trigger capability: Positive and Negative edge triggering
• Supply voltage range: 2 V ~ 6 V
• Package type: 16-TSSOP surface mount
• Reset mechanism: Asynchronous
• Timing mode: Synchronous

All substitute parts listed maintain identical functional specifications and package dimensions, ensuring direct pin-for-pin compatibility and circuit-level interchangeability.

Parameter Comparison

Engineering Selection Recommendations

CD74HC4017PWR (Texas Instruments) is the direct equivalent substitute, maintaining identical electrical and thermal specifications with active product status. This part is suitable for applications requiring continuity with the original CD74HC4017PW design.

74HC4017PW,118 (Nexperia USA Inc.) is functionally equivalent with enhanced performance characteristics. The higher count rate of 83 MHz versus 35 MHz provides additional timing margin. The reduced operating temperature minimum of -40°C versus -55°C is acceptable for most commercial and industrial applications. This part is recommended for new designs and applications where the extended low-temperature range is not required.

Both substitute parts maintain ROHS3 compliance and identical package geometry, ensuring PCB-level compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4017PWR replace CD74HC4017PW directly?

A: Yes. CD74HC4017PWR is a direct functional equivalent with identical electrical specifications, pin configuration, and 16-TSSOP package dimensions. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube).

Q: What is the difference between CD74HC4017PWR and 74HC4017PW,118?

A: Both are functionally equivalent decade counters with identical logic function and package. The 74HC4017PW,118 (Nexperia) offers a higher maximum count rate of 83 MHz compared to 35 MHz for the Texas Instruments versions. The operating temperature range differs: 74HC4017PW,118 operates from -40°C to 125°C, while CD74HC4017PW and CD74HC4017PWR operate from -55°C to 125°C.

Q: Are all three parts pin-for-pin compatible?

A: Yes. All three parts use the 16-TSSOP package with identical pinout and functional behavior, enabling direct substitution without circuit redesign.

Q: Why is CD74HC4017PW marked as Last Time Buy?

A: Last Time Buy status indicates Texas Instruments has discontinued this specific part number. Equivalent alternatives from active product lines (CD74HC4017PWR and 74HC4017PW,118) are available for continued supply.

Q: Which substitute should I select for a new design?

A: Selection depends on application requirements. For standard decade counting applications within the -40°C to 125°C range, 74HC4017PW,118 is suitable and offers higher count rate performance. For applications requiring extended low-temperature operation below -40°C, CD74HC4017PWR maintains the full -55°C to 125°C range.

Q: Are there packaging considerations when switching between these parts?

A: Yes. CD74HC4017PW is supplied in Tube packaging, CD74HC4017PWR in Cut Tape & Digi-Reel format, and 74HC4017PW,118 in Tape & Reel format. Packaging selection affects handling, storage, and automated assembly compatibility but does not affect electrical performance or PCB integration.