MC74LCX257SD中文资料安森美半导体数据手册PDF规格书

The MC74LCX257 is a high performance, quad 2−input multiplexer with 3−state outputs operating from a 2.3 to 3.6 V supply. High impedance TTL compatible inputs significantly reduce current loading to input drivers while TTL compatible outputs offer improved switching noise performance. A VI specification of 5.5 V allows MC74LCX257 inputs to be safely driven from 5.0 V devices.

Features

• Designed for 2.3 to 3.6 V VCC Operation

• 5.0 V Tolerant − Interface Capability with 5.0 V TTL Logic

• Supports Live Insertion and Withdrawal

• IOFF Specification Guarantees High Impedance When VCC = 0 V

• LVTTL Compatible

• LVCMOS Compatible

• 24 mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current in All Three Logic States (10 A) Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500 mA

• ESD Performance: Human Body Model >2000 V Machine Model >200 V

• Pb−Free Packages are Available*