SN74ALS166NSAlternatives & Equivalent Parts
About SN74ALS166NS
SN74ALS166NS 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.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for SN74ALS166NS — response within 24 hours.
Specification Comparison
| Parameter | SN74ALS166NSSource | SN74ALS166NSR | SN74ALS166D | SN74ALS166DRE4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages |
| Pin Count | 16 | 16 | 16 | 16 |
| Temperature Range | — | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $1.8400 | $3.7500 | $2.1840 | $2.8700 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | — | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||||
| Pbfree Code | — | Yes | — | Yes |
| YTEOL | — | 15 | 0 | 0 |
| Additional Feature | — | SISO OPERATION ALSO AVAILABLE | SISO OPERATION ALSO AVAILABLE | SISO OPERATION ALSO AVAILABLE |
| Count Direction | — | RIGHT | RIGHT | RIGHT |
| Family | — | ALS | ALS | ALS |
| JESD-30 Code | — | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G16 |
| JESD-609 Code | — | e4 | e4 | e4 |
| Load Capacitance (CL) | — | 50 pF | 50 pF | 50 pF |
| Logic IC Type | — | PARALLEL IN SERIAL OUT | PARALLEL IN SERIAL OUT | PARALLEL IN SERIAL OUT |
| Max Frequency@Nom-Sup | — | 45000000 Hz | 45000000 Hz | 45000000 Hz |
| Max I(ol) | — | 0.008 A | 0.008 A | — |
| Number of Bits | — | 8 | 8 | 8 |
| Number of Functions | — | 1 | 1 | 1 |
| Output Polarity | — | TRUE | TRUE | TRUE |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | DIP16,.3 | SOP16,.25 | SOP16,.25 |
| Package Shape | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | — | TR | TUBE | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | — | 24 mA | 24 mA | 24 mA |
| Prop. Delay@Nom-Sup | — | 13 ns | 13 ns | — |
| Propagation Delay (tpd) | — | 13 ns | 13 ns | 13 ns |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified |
| Schmitt Trigger | — | NO | NO | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | — | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | — | 5 V | 5 V | 5 V |
| Surface Mount | — | YES | YES | YES |
| Technology | — | TTL | TTL | TTL |
| Temperature Grade | — | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | — | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | 30 |
| Trigger Type | — | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | — | 45 MHz | 45 MHz | 45 MHz |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for SN74ALS166NS — response within 24 hours.
Quick Links
Parallel In Serial Out, ALS Series, 8-Bit, Right Direction, True Output, TTL, PDSO16
Parallel In Serial Out, ALS Series, 8-Bit, Right Direction, True Output, TTL, PDSO16
Parallel In Serial Out, ALS Series, 8-Bit, Right Direction, True Output, TTL, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74ALS166NS 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 SN74ALS166NS 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for SN74ALS166NS. Get expert recommendations within 24 hours.
FAQ
What is equivalent to SN74ALS166NS?
Known equivalents for SN74ALS166NS include SN74ALS166NSR, SN74ALS166D, SN74ALS166DRE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74ALS166NS?
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 SN74ALS166NS 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.