SN7406DAlternatives & Equivalent Parts
About SN7406D
SN7406D 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 | SN7406DSource | SN74LS240N | SN74LS138N | SN7406DR | SN7406NSR |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Dual-In-Line Packages | Dual-In-Line Packages | SOIC-14 | Small Outline Packages |
| Pin Count | 14 | 20 | 16 | 14 | 14 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | 0.0°C ~ 70.0°C | ~ 70.0°C |
| Price | $0.1575 | $0.3054 | $0.4271 | $0.3099 | $0.6042 |
| Electrical Parameters | |||||
| YTEOL | 0 | 15 | 15 | — | 15 |
| Additional Feature | IOL = 40MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 30V | — | 3 ENABLE INPUTS | — | IOL = 40MA @ VOL = 0.7V; IOH = 0.25MA @ VOH = 30V |
| Family | TTL/H/L | LS | LS | — | TTL/H/L |
| JESD-30 Code | R-PDSO-G14 | R-PDIP-T20 | R-PDIP-T16 | — | R-PDSO-G14 |
| JESD-609 Code | e4 | e4 | e4 | — | e4 |
| Load Capacitance (CL) | 15 pF | 45 pF | 15 pF | — | 15 pF |
| Logic IC Type | INVERTER | BUS DRIVER | 3-LINE TO 8-LINE DECODER | — | INVERTER |
| Max I(ol) | 0.04 A | 0.024 A | 0.008 A | — | 0.04 A |
| Number of Functions | 6 | 8 | 1 | — | 6 |
| Number of Inputs | 1 | — | — | — | 1 |
| Output Characteristics | OPEN-COLLECTOR | 3-STATE | — | — | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 | DIP20,.3 | DIP16,.3 | — | SOP14,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | IN-LINE | IN-LINE | — | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | TUBE | — | TR |
| Peak Reflow Temperature (Cel) | 260 | — | — | — | 260 |
| Power Supply Current-Max (ICC) | 51 mA | 50 mA | 10 mA | — | 51 mA |
| Prop. Delay@Nom-Sup | 23 ns | 18 ns | 41 ns | — | 23 ns |
| Propagation Delay (tpd) | 23 ns | 18 ns | 41 ns | 15 ns | 23 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Schmitt Trigger | NO | — | — | — | NO |
| Supply Voltage-Max (Vsup) | 5.25 V | 5.25 V | 5.25 V | — | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | 4.75 V | 4.75 V | — | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V |
| Surface Mount | YES | NO | NO | — | YES |
| Technology | TTL | TTL | BIPOLAR | TTL (Bipolar) | TTL |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | — | COMMERCIAL |
| 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) |
| Terminal Form | GULL WING | THROUGH-HOLE | THROUGH-HOLE | — | GULL WING |
| Terminal Pitch | 1.27 mm | 2.54 mm | 2.54 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | — | 30 |
| ## SN7406D Alternates Showing results | Image | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | Yes |
| Control Type | — | ENABLE LOW | — | — | — |
| Count Direction | — | UNIDIRECTIONAL | — | — | — |
| Number of Bits | — | 4 | 8 | — | — |
| Number of Ports | — | 2 | — | — | — |
| Output Polarity | — | INVERTED | INVERTED | — | — |
| ## SN74LS240N Alternates Showing results | — | Image | — | — | — |
| Input Conditioning | — | — | STANDARD | — | — |
| ## SN74LS138N Alternates Showing results | — | — | Image | — | — |
| Number of Channels | — | — | — | 6 | — |
| Output Type | — | — | — | Open-Collector | — |
| Logic Function | — | — | — | Hex Inverter/Buffer | — |
| Supply Voltage (VCC) | — | — | — | 5 V | — |
| Output Sink Current (IOL max) | — | — | — | 40 mA | — |
| Output Voltage (VO max) | — | — | — | 30 V | — |
| Input Low Voltage (VIL max) | — | — | — | 0.8 V | — |
| Input High Voltage (VIH min) | — | — | — | 2 V | — |
| Operating Temperature Range | — | — | — | 0 to 70 °C | — |
| Package | — | — | — | SOIC-14 | — |
| Pin Count | — | — | — | 14 | — |
| Series | — | — | — | 7400 | — |
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 SN7406D 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 SN7406D 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 SN7406DFAQ
What is equivalent to SN7406D?
Known equivalents for SN7406D include SN74LS240N, SN74LS138N, SN7406DR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN7406D?
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 SN7406D 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.