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