SN74ALS540DWAlternatives & Equivalent Parts
About SN74ALS540DW
SN74ALS540DW is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | SN74ALS540DWSource | SN74ALS540DWR | SN74ALS540NSR | SN74ALS540NSRG4 | SN74ALS540-1NSR |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Other | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 20 | 20 | 20 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $1.9913 | $1.3400 | — | $1.6269 | $1.9200 |
| Electrical Parameters | |||||
| YTEOL | 0 | 15 | 15 | 0 | 15 |
| Additional Feature | WITH DUAL OUTPUT ENABLE | WITH DUAL OUTPUT ENABLE | WITH DUAL OUTPUT ENABLE | WITH DUAL OUTPUT ENABLE | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Family | ALS | ALS | ALS | ALS | ALS |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 |
| Load Capacitance (CL) | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| Logic IC Type | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| Max I(ol) | 0.024 A | 0.024 A | 0.024 A | 0.024 A | 0.048 A |
| Number of Bits | 8 | 8 | 8 | 8 | 8 |
| Number of Functions | 8 | 8 | 8 | 1 | 8 |
| Number of Ports | 2 | 2 | 2 | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output Polarity | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 | SOP20,.3 | SOP20,.3 | SOP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TR, 13 INCH | TR, 13 INCH | TR | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Power Supply Current-Max (ICC) | 25 mA | 25 mA | 25 mA | 25 mA | 22 mA |
| Prop. Delay@Nom-Sup | 12 ns | 12 ns | 12 ns | 12 ns | 12 ns |
| Propagation Delay (tpd) | 12 ns | 12 ns | 12 ns | 12 ns | 12 ns |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Screening Level | MIL-PRF-38535 | MIL-PRF-38535 | MIL-PRF-38535 | — | MIL-PRF-38535 |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | TTL | TTL | TTL | TTL | TTL |
| Temperature Grade | COMMERCIAL | 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 | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 |
| Pbfree Code | — | Yes | Yes | — | Yes |
| ## SN74ALS540DWR Alternates Showing results | — | Image | — | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Bus Driver, ALS Series, 8-Func, 8-Bit, Inverted Output, TTL, PDSO20
Bus Driver, ALS Series, 8-Func, 8-Bit, Inverted Output, TTL, PDSO20
Bus Driver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20
Bus Driver, ALS Series, 8-Func, 8-Bit, Inverted Output, TTL, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74ALS540DW 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 SN74ALS540DW 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 SN74ALS540DWFAQ
What is equivalent to SN74ALS540DW?
Known equivalents for SN74ALS540DW include SN74ALS540DWR, SN74ALS540NSR, SN74ALS540NSRG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74ALS540DW?
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 SN74ALS540DW 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.