QS32257
Description
The QS3257 is a high-speed CMOS LVTTL-patible Quad 2:1 multiplexer/demultiplexer.TheQS3257isafunctionandpinoutpatibleQuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers.
Key Features
- Enhanced N channel FET with no inherent diode to VCC
- 5Ω bidirectional switches connect inputs to outputs
- Zero propagation delay, zero ground bounce
- Undershoot clamp diodes on all switch and control pins
- Available in SOIC (S1), QSOP
- QS32257 is 25Ω version for low noise
Applications
- Video, audio, graphics switching, muxing