Texas Instruments SN74ALS540N Buffers, Drivers, Receivers and Transceivers
IC BUFFER INVERT 5.5V 20DIP

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
SN74ALS540N
Series
Base Model
Detailed Description
8-channel, 3-state output buffer/inverter IC featuring bipolar technology. Operates with a supply voltage range of 4.5V to 5.5V, ideal for 5V logic systems. Offers 24mA low-level output current and -15mA high-level output current. Packaged in a 20-pin PDIP with through-hole mounting, this RoHS compliant component has a propagation delay of 12ns.
Package
PDIP
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
SN74ALS540N Datasheet
Quick Jump:
Technical Specifications
Texas Instruments SN74ALS540N Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Series
74ALS
RoHS
Yes
Number of Channels
8
Package / Case
20-DIP
Mounting Type
Through Hole
Operating Temperature
0°C ~ 70°C (TA)
Supply Voltage
5V
Lifecycle Status
Active
Package
PDIP
Height
4.57mm
Alternate Parts Comparison (SN74ALS540N vs SN74ALS153DR vs SN74ALS156DR vs SN74ALS157ADR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-DIP | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Current Output High Low | 15mA, 24mA | 2.6mA, 24mA | 100µA, 8mA | 400µA, 8mA |
| Circuit | -- | 2 x 4:1 | 2 x 1:4 | 4 x 2:1 |
| Independent Circuits | -- | 1 | 1 | 1 |
| Type | -- | Multiplexer | Decoder/Demultiplexer | Multiplexer |
| Voltage Supply Source | -- | Single Supply | Single Supply | Single Supply |
| Action |
Texas Instruments SN74ALS540N Buffers, Drivers, Receivers and Transceivers Overview
8-channel, 3-state output buffer/inverter IC featuring bipolar technology. Operates with a supply voltage range of 4.5V to 5.5V, ideal for 5V logic systems. Offers 24mA low-level output current and -15mA high-level output current. Packaged in a 20-pin PDIP with through-hole mounting, this RoHS compliant component has a propagation delay of 12ns.
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