Low–Voltage CMOS 18–Bit Universal Bus Transceiver

With 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)

The MC74LCX16500 is a high performance, non–inverting 18–bit universal bus transceiver operating from a 2.7 to 3.6V supply. This part is not byte controlled; it is “18–bit” controlled. 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 5.5V allows MC74LCX16500 inputs to be safely driven from 5V devices. The MC74LCX16500 is suitable for memory address driving and all TTL level bus oriented transceiver applications.

• Designed for 2.7 to 3.6V VCC Operation

• 6ns Maximum tpd

• 5V Tolerant — Interface Capability With 5V TTL Logic

• Supports Live Insertion and Withdrawal

• IOFF Specification Guarantees High Impedance When VCC = 0V

• LVTTL Compatible

• LVCMOS Compatible

• 24mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current in All Three Logic States (20µA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500mA

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

Model >200V