Texas Instruments SN74ACT257-Q1 2-to-1 Line Data Selectors/Muxes
Texas Instruments SN74ACT257-Q1 Quad 2-to-1 Line Data Selectors/Multiplexers contain four 2-to-1 digital multiplexers with shared select (/A/B) and output enable (/OE) inputs. These devices are available in a wettable flank QFN package and have an operating range of 4.5V to 5.5V. The Texas Instruments SN74ACT257-Q1 has a continuous ±24mA output drive at 5V and supports up to ±75mA output drive at 5V in short bursts.
Features
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1 of -40°C to +125°C
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4B
- Available in a wettable flank QFN package
- Operating voltage range of 4.5V to 5.5V
- TTL-compatible inputs
- Continuous ±24mA output drive at 5V
- Supports up to ±75mA output drive at 5V in short bursts
- Drives 50Ω transmission lines
- Fast operation with a delay of 7.7ns max at 5V
Applications
- Data selection
- Multiplexing
Additional Resources
- Application Note: Designing With Logic
- Application Note: Implications of Slow or Floating CMOS Inputs
- Application Note: Understanding and Interpreting Standard-Logic Data Sheets
- Application Note: Using High-Speed CMOS and Advanced CMOS in Systems With Multiple VCC
- Selection Guide: Logic Guide
- User Guide: LOGIC Pocket Data Book
Functional Block Diagram
Published: 2025-06-11
| Updated: 2025-06-16