| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SNJ54LS240J | Texas Instruments | $6.7031 | Bus Driver, LS Series, 8-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs SNJ54LS240J |
| SNC54LS240J | Freescale Semiconductor | Check for Price | Bus Driver, 2-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs SNC54LS240J |
| SN74LS240N | Rochester Electronics LLC | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDIP20 | SN74LS240N vs SN74LS240N |
| AM54LS240DM | AMD | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs AM54LS240DM |
| SN74LS240N8 | Texas Instruments | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDIP20 | SN74LS240N vs SN74LS240N8 |
| HD151240P | Renesas Electronics Corporation | Check for Price | Bus Driver, 151 Series, 2-Func, 4-Bit, True Output, CMOS, PDIP20 | SN74LS240N vs HD151240P |
| 54LS240DMQB | Texas Instruments | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs 54LS240DMQB |
| DM54LS240J-MLS | Rochester Electronics LLC | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs DM54LS240J-MLS |
| SNJ54LS240J-00 | Texas Instruments | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, CDIP20 | SN74LS240N vs SNJ54LS240J-00 |
| DM74LS240N | Rochester Electronics LLC | Check for Price | Bus Driver, LS Series, 2-Func, 4-Bit, Inverted Output, TTL, PDIP20 | SN74LS240N vs DM74LS240N |
Part Details for SN74LS240N by Texas Instruments
Results Overview of SN74LS240N by Texas Instruments
- Distributor Offerings: (30 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.
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SN74LS240N Information
SN74LS240N 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.
Price & Stock for SN74LS240N
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
37AJ1140
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Newark | Logic, Buff/Dvr Tri-St Octal, 20Dip, |Texas Instruments SN74LS240N RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk | 45 |
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$0.7180 / $1.4000 | Buy Now |
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DISTI #
93813907
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Verical | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Tube RoHS: Compliant Min Qty: 3 Package Multiple: 1 Date Code: 2318 | Americas - 398 |
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$0.6229 / $0.8913 | Buy Now |
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DISTI #
83593478
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Verical | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Tube RoHS: Compliant Min Qty: 9 Package Multiple: 1 Date Code: 2318 | Americas - 16 |
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$0.6348 | Buy Now |
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DISTI #
595-SN74LS240N
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Mouser Electronics | Buffers & Line Drivers Octal Buffer/Line RoHS: Compliant | 1969 |
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$0.7180 / $1.4000 | Buy Now |
|
DISTI #
P02:6590_08256005
|
Arrow Electronics | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Tube COO: United States RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2318 | Asia - 398 |
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$0.6229 / $0.8913 | Buy Now |
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DISTI #
V99:2348_07345658
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Arrow Electronics | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Tube COO: Malaysia RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 16 Weeks Date Code: 2318 | Americas - 16 |
|
$0.6348 | Buy Now |
|
|
Bristol Electronics | Buffer/Line Driver 8-CH Inverting 3-ST 20-Pin PDIP Min Qty: 1 | 1 |
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$1.4123 | Buy Now |
|
|
Quest Components | LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20 | 344 |
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$0.8228 / $2.0570 | Buy Now |
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Quest Components | LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20 | 220 |
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$0.8390 / $1.6780 | Buy Now |
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Quest Components | LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20 | 204 |
|
$1.4561 / $3.1484 | Buy Now |
US Tariff Estimator: SN74LS240N 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.
SN74LS240N CAD Models
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SN74LS240N Part Data Attributes
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SN74LS240N
Texas Instruments
Buy Now
Datasheet
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SN74LS240N
Texas Instruments
Bus Driver, LS Series, 8-Func, 4-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 | |
| 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 | 4 | |
| 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) | 50 Ma | |
| Prop. Delay@Nom-Sup | 18 Ns | |
| Propagation Delay (tpd) | 18 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 SN74LS240N
This table gives cross-reference parts and alternative options found for SN74LS240N. 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 SN74LS240N, 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.
SN74LS240N Frequently Asked Questions (FAQ)
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The maximum frequency of operation for the SN74LS240N is typically 35 MHz, but it can vary depending on the specific application and operating conditions.
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To ensure reliable operation in high-temperature environments, it is recommended to follow proper thermal management practices, such as providing adequate heat sinking and airflow, and ensuring that the device is operated within its recommended operating temperature range of 0°C to 70°C.
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The recommended power-on sequence for the SN74LS240N is to apply power to the VCC pin first, followed by the input signals. This helps to prevent unwanted output states during power-up.
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To handle bus contention when using the SN74LS240N as a bus transceiver, it is recommended to use a bus arbiter or a bus controller to manage access to the bus, and to ensure that only one device is driving the bus at a time.
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The maximum capacitive load that the SN74LS240N can drive is typically 100 pF, but this can vary depending on the specific application and operating conditions.