MC74VHC257DTR2G

The MC74VHC257DTR2G from ON Semiconductor is an advanced, high-speed CMOS quad 2-channel multiplexer fabricated with silicon gate CMOS technology. It offers high speed operation similar to bipolar Schottky TTL while maintaining low CMOS power dissipation. This device consists of four 2-input digital multiplexers with common select (S) and enable (OE) inputs. When OE is held high, data selection is inhibited and all outputs go low. The select decoding determines whether the A or B inputs are routed to the corresponding Y outputs.

Key electrical characteristics include a wide operating voltage range of 2.0V to 5.5V, high noise immunity with VNIH/VNIL at 28% VCC, and low noise with VOLP at a maximum of 0.8V. It features power-down protection on inputs and balanced propagation delays. The device is designed for 2.0 V to 5.5 V operating range and exhibits latchup performance exceeding 300 mA. ESD protection is rated at HBM > 2000V and Machine Model > 200V.

The MC74VHC257DTR2G is supplied in a 16-TSSOP package suitable for surface mounting. Its pin and function compatibility with other standard logic families make it a versatile choice for various digital interface applications, including the interface of 5V systems to 3V systems.