Texas Instruments SN74LS126AN Buffers, Drivers, Receivers and Transceivers
Quadruple 3-state buffer IC featuring four independent buffer elements, each with one input and one output.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments SN74LS126AN Buffers, Drivers, Receivers and Transceivers technical specifications.
General
Alternate Parts Comparison (SN74LS126AN vs SN74LS151DR vs SN74LS153DR vs SN74LS155ADR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Through Hole | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Supply Voltage | 5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Package / Case | -- | 16-SOIC | 16-SOIC | 16-SOIC |
| Circuit | -- | 1 x 8:1 | 2 x 4:1 | 1 x 2:4 |
| Current Output High Low | -- | 400µA, 8mA | 400µA, 8mA | 400µA, 8mA |
| Independent Circuits | -- | 1 | 1 | 2 |
| Type | -- | Multiplexer | Multiplexer | Decoder/Demultiplexer |
| Voltage Supply Source | -- | Single Supply | Single Supply | Single Supply |
| Action |
Texas Instruments SN74LS126AN Buffers, Drivers, Receivers and Transceivers Overview
Quadruple 3-state buffer IC featuring four independent buffer elements, each with one input and one output. This non-inverting buffer operates with a supply voltage of 5V (4.75V to 5.25V) and offers a low-level output current of 24mA and a high-level output current of -2.6mA. The component boasts a propagation delay of 18ns and a turn-on delay time of 35ns.
Packaged in a 14-pin PDIP with through-hole mounting, it operates within a temperature range of 0°C to 70°C and is RoHS compliant.
