SN74HC166PWAlternatives & Equivalent Parts
About SN74HC166PW
SN74HC166PW is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | SN74HC166PWSource | ISO1540D | SN74HC595PW | SN74HC166PWT | SN74HC166PWG4 | SN74HC166PWRG4 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 16 | 8 | 16 | 16 | 16 | 16 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.3636 | $0.4564 | $0.0913 | — | $0.3636 | — |
| Electrical Parameters | ||||||
| YTEOL | 0 | 0 | 0 | 0 | 0 | 15 |
| Additional Feature | SISO OPERATION ALSO AVAILABLE | — | PARALLEL OUTPUT IS REGISTERED; UNREGISTERED SERIAL SHIFT RIGHT OUTPUT | SISO OPERATION ALSO AVAILABLE | SISO OPERATION ALSO AVAILABLE | SISO OPERATION ALSO AVAILABLE |
| Count Direction | RIGHT | — | RIGHT | RIGHT | RIGHT | RIGHT |
| Family | HC/UH | — | HC/UH | HC/UH | HC/UH | HC/UH |
| JESD-30 Code | R-PDSO-G16 | R-PDSO-G8 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | — | 150 pF | 50 pF | 50 pF | 50 pF |
| Logic IC Type | PARALLEL IN SERIAL OUT | — | SERIAL IN PARALLEL OUT | PARALLEL IN SERIAL OUT | PARALLEL IN SERIAL OUT | PARALLEL IN SERIAL OUT |
| Max Frequency@Nom-Sup | 25000000 Hz | — | 25000000 Hz | 25000000 Hz | 25000000 Hz | 25000000 Hz |
| Max I(ol) | 0.0052 A | — | 0.0078 A | 0.0052 A | 0.0052 A | 0.0052 A |
| Number of Bits | 8 | — | 8 | 8 | 8 | 8 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Polarity | TRUE | — | TRUE | TRUE | TRUE | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 | SOP8,.25 | TSSOP16,.25 | TSSOP16,.25 | TSSOP16,.25 | TSSOP16,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE | — | TUBE | TR, 13 INCH | TUBE | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 0.08 mA | — | 0.08 mA | 0.08 mA | 0.08 mA | 0.08 mA |
| Prop. Delay@Nom-Sup | 32 ns | — | 34 ns | 32 ns | 32 ns | — |
| Propagation Delay (tpd) | 190 ns | — | 200 ns | 190 ns | 190 ns | 190 ns |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | — | NO | NO | NO | — |
| Supply Voltage-Max (Vsup) | 6 V | — | 6 V | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | — | 2 V | 2 V | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | BICMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 1.27 mm | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 30 | 30 | NOT SPECIFIED | NOT SPECIFIED | 30 |
| Trigger Type | POSITIVE EDGE | — | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 24 MHz | — | 24 MHz | 24 MHz | 24 MHz | 24 MHz |
| ## SN74HC166PW Alternates Showing results | Image | — | — | — | — | — |
| Pbfree Code | — | Yes | — | — | Yes | Yes |
| Interface IC Type | — | INTERFACE CIRCUIT | — | — | — | — |
| Number of Channels | — | 2 | — | — | — | — |
| Supply Voltage-Max | — | 5.5 V | — | — | — | — |
| Supply Voltage-Min | — | 3 V | — | — | — | — |
| Supply Voltage-Nom | — | 3.3 V | — | — | — | — |
| ## ISO1540D Alternates Showing results | — | Image | — | — | — | — |
| Output Characteristics | — | — | 3-STATE | — | — | — |
| ## SN74HC595PW Alternates Showing results | — | — | Image | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
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Parallel In Serial Out, HC/UH Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74HC166PW is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SN74HC166PW replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for SN74HC166PWFAQ
What is equivalent to SN74HC166PW?
Known equivalents for SN74HC166PW include ISO1540D, SN74HC595PW, SN74HC166PWT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC166PW?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SN74HC166PW alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.