| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| CD74HCT533E | Texas Instruments | $0.7139 | Bus Driver, HCT Series, 8-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | SN74LS540N vs CD74HCT533E |
| 74HCT563C | Supertex Inc | Check for Price | Bus Driver, HCT Series, 1-Func, 1-Bit, Inverted Output, CMOS, CDIP20 | SN74LS540N vs 74HCT563C |
| MM74HCT563J | Texas Instruments | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | SN74LS540N vs MM74HCT563J |
| M54HCT563F1 | STMicroelectronics | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | SN74LS540N vs M54HCT563F1 |
| CD54HCT533F3A | Rochester Electronics LLC | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | SN74LS540N vs CD54HCT533F3A |
| 933670890652 | NXP Semiconductors | Check for Price | Bus Driver, HCT Series, 8-Func, 1-Bit, Inverted Output, CMOS, PDIP20 | SN74LS540N vs 933670890652 |
| GD74HCT540 | Goldstar Electron Co Ltd | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20 | SN74LS540N vs GD74HCT540 |
| M74HCT563TTR | STMicroelectronics | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDSO20 | SN74LS540N vs M74HCT563TTR |
| M38510/65760BRX | SRI International Sarnoff | Check for Price | Bus Driver, HCT Series, 6-Func, 1-Bit, True Output, CMOS | SN74LS540N vs M38510/65760BRX |
| SNJ54HCT564J-00 | Texas Instruments | Check for Price | Bus Driver, HCT Series, 1-Func, 8-Bit, Inverted Output, CMOS, CDIP20 | SN74LS540N vs SNJ54HCT564J-00 |
Part Details for SN74LS540N by Texas Instruments
Results Overview of SN74LS540N by Texas Instruments
- Distributor Offerings: (17 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Automotive
SN74LS540N Information
SN74LS540N by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.
Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| SN74LS540N | Texas Instruments | Octal Buffers and Line Drivers with 3-State Outputs 20-PDIP 0 to 70 | |
| SN74LS540NSR | Texas Instruments | Octal Buffers and Line Drivers with 3-State Outputs 20-SO 0 to 70 |
Price & Stock for SN74LS540N
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
28AH5089
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Newark | Ic, Buffer/Driver Octal 3-State, |Texas Instruments SN74LS540N RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 444 |
|
$1.5900 / $2.1100 | Buy Now |
|
DISTI #
296-3715-5-ND
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DigiKey | IC BUFF 4.75V/5.25V 20-PDIP Min Qty: 1 Container: Tube |
1044 Tube |
|
$1.0787 / $2.1500 | Buy Now |
|
DISTI #
93868543
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Verical | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Tube RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2321 | Americas - 161 |
|
$1.0254 / $1.3857 | Buy Now |
|
DISTI #
595-SN74LS540N
|
Mouser Electronics | Buffers & Line Drivers Octal Buff/Line Drvr W/3-State Otpt RoHS: Compliant | 1048 |
|
$1.0700 / $2.1500 | Buy Now |
|
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 56 |
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$0.9600 / $1.6000 | Buy Now |
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 48 |
|
$1.1250 / $2.2500 | Buy Now |
|
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 40 |
|
$1.0150 / $2.0300 | Buy Now |
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 25 |
|
$2.9800 / $4.4700 | Buy Now |
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 23 |
|
$1.3500 / $2.2500 | Buy Now |
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Quest Components | IC,BUFFER/DRIVER,SINGLE,8-BIT,LS-TTL,DIP,20PIN,PLASTIC | 20 |
|
$0.8100 / $1.3500 | Buy Now |
US Tariff Estimator: SN74LS540N by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
SN74LS540N CAD Models
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SN74LS540N Part Data Attributes
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SN74LS540N
Texas Instruments
Buy Now
Datasheet
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SN74LS540N
Texas Instruments
Bus Driver, LS Series, 8-Func, 8-Bit, Inverted Output, TTL, PDIP20
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Package Description | Pdip-20 | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Additional Feature | With Dual Output Enable | |
| Control Type | Enable Low | |
| Count Direction | Unidirectional | |
| Family | Ls | |
| JESD-30 Code | R-PDIP-T20 | |
| JESD-609 Code | e4 | |
| Length | 25.4 Mm | |
| Load Capacitance (CL) | 45 Pf | |
| Logic IC Type | Bus Driver | |
| Max I(ol) | 0.024 A | |
| Number of Bits | 8 | |
| Number of Functions | 8 | |
| Number of Ports | 2 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Characteristics | 3-State | |
| Output Polarity | Inverted | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP20,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Packing Method | Tube | |
| Power Supply Current-Max (ICC) | 52 Ma | |
| Prop. Delay@Nom-Sup | 15 Ns | |
| Propagation Delay (tpd) | 15 Ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 Mm | |
| Supply Voltage-Max (Vsup) | 5.25 V | |
| Supply Voltage-Min (Vsup) | 4.75 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | No | |
| Technology | Ttl | |
| Temperature Grade | Commercial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for SN74LS540N
This table gives cross-reference parts and alternative options found for SN74LS540N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS540N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
SN74LS540N Frequently Asked Questions (FAQ)
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The maximum operating frequency of the SN74LS540N is 35 MHz.
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Yes, the SN74LS540N is 5V tolerant, meaning it can accept input voltages up to 5.5V without damage.
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The typical propagation delay of the SN74LS540N is 10 ns, but it can vary depending on the operating conditions.
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Yes, the SN74LS540N can be used in a 3.3V system, but the output voltage will be limited to 3.3V.
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Yes, the SN74LS540N is available in a lead-free package, which is RoHS compliant.