SN74LS279ADAlternatives & Equivalent Parts
About SN74LS279AD
SN74LS279AD 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 | SN74LS279ADSource | AD8479ARZ | AD8664ARZ | SN74LS279ADR | SN74LS279ANSR |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | — |
| Pin Count | 16 | 8 | 14 | 16 | — |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | ~ 70.0°C | — |
| Price | $0.3925 | — | $3.0100 | $0.4325 | $0.6572 |
| Electrical Parameters | |||||
| YTEOL | 0 | 10 | 10 | 15 | — |
| Additional Feature | WITH DUAL S INPUT FOR TWO FUNCTIONS | — | — | WITH DUAL S INPUT FOR TWO FUNCTIONS | — |
| Family | LS | — | — | LS | — |
| JESD-30 Code | R-PDSO-G16 | R-PDSO-G8 | R-PDSO-G14 | R-PDSO-G16 | — |
| JESD-609 Code | e4 | e3 | e3 | e4 | — |
| Load Capacitance (CL) | 15 pF | — | — | 15 pF | — |
| Logic IC Type | R-S LATCH | — | — | R-S LATCH | — |
| Max I(ol) | 0.008 A | — | — | 0.008 A | — |
| Number of Bits | 2 | — | — | 2 | — |
| Number of Functions | 4 | 1 | 4 | 4 | — |
| Output Polarity | TRUE | — | — | TRUE | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP16,.25 | SOP8,.24 | SOP14,.25 | SOP16,.25 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUT LINE | SMALL OUTLINE | SMALL OUTLINE | — |
| Packing Method | TUBE | — | TUBE | TR | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — |
| Power Supply Current-Max (ICC) | 7 mA | — | — | 7 mA | — |
| Prop. Delay@Nom-Sup | 30 ns | — | — | 30 ns | — |
| Propagation Delay (tpd) | 27 ns | — | — | 27 ns | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | — |
| Schmitt Trigger | NO | — | — | NO | — |
| Supply Voltage-Max (Vsup) | 5.25 V | — | — | 5.25 V | — |
| Supply Voltage-Min (Vsup) | 4.75 V | — | — | 4.75 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | 15 V | 5 V | 5 V | — |
| Surface Mount | YES | YES | YES | YES | — |
| Technology | TTL | — | CMOS | TTL | — |
| Temperature Grade | COMMERCIAL | — | AUTOMOTIVE | COMMERCIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | — |
| Trigger Type | LOW LEVEL | — | — | LOW LEVEL | — |
| ## SN74LS279AD Alternates Showing results | Image | — | — | — | — |
| Pbfree Code | — | No | No | Yes | — |
| Manufacturer Package Code | — | R-8 | R-14 | — | — |
| Amplifier Type | — | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | — | — |
| Architecture | — | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | — |
| Common-mode Reject Ratio-Min | — | 80 dB | 80 dB | — | — |
| Common-mode Reject Ratio-Nom | — | 90 dB | 100 dB | — | — |
| Frequency Compensation | — | YES | YES | — | — |
| Input Offset Voltage-Max | — | 3000 µV | 1200 µV | — | — |
| Low-Bias | — | NO | YES | — | — |
| Low-Offset | — | NO | YES | — | — |
| Micropower | — | YES | NO | — | — |
| Neg Supply Voltage Limit-Max | — | -18 V | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | — | -15 V | — | — | — |
| Power | — | NO | NO | — | — |
| Programmable Power | — | NO | NO | — | — |
| Slew Rate-Nom | — | 8.8 V/us | 3.5 V/us | — | — |
| Supply Current-Max | — | 0.65 mA | 8 mA | — | — |
| Supply Voltage Limit-Max | — | 18 V | 18 V | — | — |
| Wideband | — | NO | NO | — | — |
| Average Bias Current-Max (IIB) | — | — | 0.0003 µA | — | — |
| Bias Current-Max (IIB) @25C | — | — | 0.000001 µA | — | — |
| Unity Gain BW-Nom | — | — | 4000 | — | — |
| Voltage Gain-Min | — | — | 70000 | — | — |
| ## AD8664ARZ Alternates Showing results | — | — | Image | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16
R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDSO16
Why Look for Alternatives?
Finding alternatives for SN74LS279AD 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 SN74LS279AD 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 SN74LS279ADFAQ
What is equivalent to SN74LS279AD?
Known equivalents for SN74LS279AD include AD8479ARZ, AD8664ARZ, SN74LS279ADR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS279AD?
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 SN74LS279AD 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.