SN74HC266NAlternatives & Equivalent Parts
About SN74HC266N
SN74HC266N is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | SN74HC266NSource | SN74S257N | SN74S74N | SN74HC266D | SN74HC266DT | SN74HC266DR |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 16 | 14 | 14 | 14 | 14 |
| Temperature Range | -40.0°C ~ 85.0°C | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2537 | $2.1893 | $0.3330 | $0.3160 | $0.4853 | — |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | — | — | — | — | Yes |
| YTEOL | 15 | 15 | 15 | 0 | 0 | 15 |
| Family | HC/UH | S | S | HC | HC | HC/UH |
| JESD-30 Code | R-PDIP-T14 | R-PDIP-T16 | R-PDIP-T14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 15 pF | 15 pF | 50 pF | 50 pF | 50 pF |
| Logic IC Type | XNOR GATE | MULTIPLEXER | D FLIP-FLOP | XNOR GATE | XNOR GATE | XNOR GATE |
| Max I(ol) | 0.0052 A | 0.0078 A | 0.02 A | 0.0052 A | 0.0052 A | 0.0052 A |
| Number of Functions | 4 | 4 | 2 | 4 | 4 | 4 |
| Number of Inputs | 2 | 2 | — | 2 | 2 | 2 |
| Output Characteristics | OPEN-DRAIN | 3-STATE | — | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 | DIP16,.3 | DIP14,.3 | SOP14,.25 | SOP14,.25 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE | TUBE | TR | TR |
| Power Supply Current-Max (ICC) | 0.02 mA | 93 mA | 25 mA | 0.02 mA | 0.02 mA | 0.02 mA |
| Prop. Delay@Nom-Sup | 31 ns | 7.5 ns | 9 ns | 31 ns | 31 ns | 31 ns |
| Propagation Delay (tpd) | 155 ns | 7.5 ns | 9 ns | 155 ns | 155 ns | 155 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | YES | — | NO | NO | NO |
| Supply Voltage-Max (Vsup) | 6 V | 5.25 V | 5.25 V | 6 V | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 4.75 V | 4.75 V | 2 V | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | NO | YES | YES | YES |
| Technology | CMOS | TTL | TTL | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | COMMERCIAL | 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 | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| ## SN74HC266N Alternates Showing results | Image | — | — | — | — | — |
| Date Of Intro | — | 1985-01-01 | — | — | — | — |
| Number of Outputs | — | 1 | — | — | — | — |
| Output Polarity | — | TRUE | COMPLEMENTARY | — | — | — |
| ## SN74S257N Alternates Showing results | — | Image | — | — | — | — |
| Trigger Type | — | — | POSITIVE EDGE | — | — | — |
| fmax-Min | — | — | 50 MHz | — | — | — |
| ## SN74S74N Alternates Showing results | — | — | Image | — | — | — |
| Max Frequency@Nom-Sup | — | — | 75000000 Hz | — | — | — |
| Number of Bits | — | — | 1 | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | 30 | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for SN74HC266N 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 SN74HC266N 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 SN74HC266NFAQ
What is equivalent to SN74HC266N?
Known equivalents for SN74HC266N include SN74S257N, SN74S74N, SN74HC266D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC266N?
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 SN74HC266N 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.