SN74279N3Alternatives & Equivalent Parts
About SN74279N3
SN74279N3 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.
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Specification Comparison
| Parameter | SN74279N3Source | CD74HC238E | 74HC86N | MCP6541T-I/OT | AD637KDZ | SN74279N |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Nexperia | Microchip | Analog Devices | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | SOT23 (5-Pin) | Ceramic Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 16 | 16 | 14 | 5 | 14 | 16 |
| Temperature Range | ~ 70.0°C | -55.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | — | $0.1665 | $1.5000 | $0.3000 | $97.6400 | $1.5000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | — | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | No | Yes | — | Yes | No | No |
| YTEOL | 0 | 15 | — | 9 | 10 | 0 |
| Additional Feature | WITH DUAL S INPUT FOR TWO FUNCTIONS | — | — | — | — | WITH DUAL S INPUT FOR TWO FUNCTIONS |
| Family | TTL/H/L | HC/UH | — | — | — | TTL/H/L |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | — | R-PDSO-G5 | R-CDIP-T14 | R-PDIP-T16 |
| Load Capacitance (CL) | 15 pF | 50 pF | — | — | — | 15 pF |
| Logic IC Type | R-S LATCH | 3-LINE TO 8-LINE DECODER | — | — | — | R-S LATCH |
| Max I(ol) | 0.016 A | 0.004 A | — | — | — | 0.016 A |
| Number of Bits | 2 | 8 | — | — | — | 2 |
| Number of Functions | 4 | 1 | — | 1 | 1 | 4 |
| Output Polarity | TRUE | TRUE | — | — | — | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | CERAMIC, METAL-SEALED COFIRED | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | — | TSOP5/6,.11,37 | DIP14,.3 | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | — | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | IN-LINE | IN-LINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | — | — | 260 | — | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 30 mA | 0.16 mA | — | — | — | 30 mA |
| Prop. Delay@Nom-Sup | 27 ns | 30 ns | — | — | — | 27 ns |
| Propagation Delay (tpd) | 27 ns | 225 ns | — | — | — | 27 ns |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25 V | 6 V | — | — | — | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 2 V | — | — | — | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | — | 5 V |
| Surface Mount | NO | NO | — | YES | NO | NO |
| Technology | TTL | CMOS | — | CMOS | — | TTL |
| Temperature Grade | COMMERCIAL | MILITARY | — | INDUSTRIAL | COMMERCIAL | COMMERCIAL |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | GULL WING | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | 0.95 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | — | — | — | NOT SPECIFIED |
| Trigger Type | LOW LEVEL | — | — | — | — | LOW LEVEL |
| ## SN74279N3 Alternates Showing results | Image | — | — | — | — | — |
| Input Conditioning | — | STANDARD | — | — | — | — |
| JESD-609 Code | — | e4 | — | e3 | e4 | — |
| Packing Method | — | TUBE | — | TR | — | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | Gold (Au) | — |
| ## CD74HC238E Alternates Showing results | — | Image | — | — | — | — |
| Manufacturer Package Code | — | — | — | SOT-23-5 | D-14 | — |
| Factory Lead Time | — | — | — | 6 Weeks | — | — |
| Amplifier Type | — | — | — | COMPARATOR | — | — |
| Average Bias Current-Max (IIB) | — | — | — | 0.0001 µA | — | — |
| Input Offset Voltage-Max | — | — | — | 7000 µV | — | — |
| Output Type | — | — | — | PUSH-PULL | — | — |
| Response Time-Nom | — | — | — | 4000 ns | — | — |
| Supply Current-Max | — | — | — | 0.001 mA | 3 mA | — |
| Supply Voltage Limit-Max | — | — | — | 7 V | — | — |
| ## MCP6541T-I/OT Alternates Showing results | — | — | — | Image | — | — |
| Converter Type | — | — | — | — | RMS TO DC CONVERTER | — |
| Linearity Error-Max (EL) | — | — | — | — | 0.05% | — |
| Negative Supply Voltage-Max | — | — | — | — | -18 V | — |
| Negative Supply Voltage-Min | — | — | — | — | -3 V | — |
| Negative Supply Voltage-Nom | — | — | — | — | -15 V | — |
| Operating Frequency-Max | — | — | — | — | 0.15 MHz | — |
| Positive Input Voltage-Max | — | — | — | — | 7 V | — |
| Supply Voltage-Max | — | — | — | — | 18 V | — |
| Supply Voltage-Min | — | — | — | — | 3 V | — |
| Supply Voltage-Nom | — | — | — | — | 15 V | — |
| Total Error-Max | — | — | — | — | 0.3% | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for SN74279N3 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 SN74279N3 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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FAQ
What is equivalent to SN74279N3?
Known equivalents for SN74279N3 include CD74HC238E, 74HC86N, MCP6541T-I/OT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74279N3?
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 SN74279N3 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.