M74HC540B1RAlternatives & Equivalent Parts
About M74HC540B1R
M74HC540B1R is a Integrated Circuit component manufactured by STMicroelectronics. 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 | M74HC540B1RSource | M74HC541B1R |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 20 | 20 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $0.2243 | $0.3150 |
| Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE |
| Electrical Parameters | ||
| YTEOL | 0 | 0 |
| Additional Feature | WITH DUAL OUTPUT ENABLE | WITH DUAL OUTPUT ENABLE |
| Control Type | ENABLE LOW | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL | UNIDIRECTIONAL |
| Family | HC/UH | HC/UH |
| JESD-30 Code | R-PDIP-T20 | R-PDIP-T20 |
| JESD-609 Code | e3 | e3 |
| Load Capacitance (CL) | 150 pF | 150 pF |
| Logic IC Type | BUS DRIVER | BUS DRIVER |
| Max I(ol) | 0.006 A | 0.006 A |
| Number of Bits | 8 | 8 |
| Number of Functions | 1 | 1 |
| Number of Ports | 2 | 2 |
| Output Characteristics | 3-STATE | 3-STATE |
| Output Polarity | INVERTED | TRUE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | DIP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE |
| Power Supply Current-Max (ICC) | 70 mA | 70 mA |
| Prop. Delay@Nom-Sup | 26 ns | 26 ns |
| Propagation Delay (tpd) | 175 ns | 175 ns |
| Qualification Status | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 6 V | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | 2 V |
| Supply Voltage-Nom (Vsup) | 4.5 V | 4.5 V |
| Surface Mount | NO | NO |
| Technology | CMOS | CMOS |
| Temperature Grade | MILITARY | MILITARY |
| Terminal Finish | MATTE TIN | MATTE TIN |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL |
| Pbfree Code | — | Yes |
| Packing Method | — | TUBE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for M74HC540B1R 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 M74HC540B1R 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 M74HC540B1R?
Known equivalents for M74HC540B1R include M74HC541B1R. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of M74HC540B1R?
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 M74HC540B1R 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.