描述 Description

The 74LVC2G240 is a dual inverting buffer/line driver with 3-state outputs. The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH level at pins nOE causes the outputs to assume a high-impedance OFF-state. Schmitt trigger action at all inputs makes the circuit highly tolerant of slower input rise and fall times.
Inputs can be driven from either 3.3 V or 5 V devices. This feature allows the use of the 74LVC2G240 as a translator in a mixed 3.3 V and 5 V environment.
It is fully specified for partial power-down applications using IOFF. The IOFF circuitry disables the output, preventing a damaging backflow current through the device when it is powered down.

特性 Features

? Wide supply voltage range from 1.65 V to 5.5 V
? 5 V tolerant input/output for interfacing with 5 V logic
? High noise immunity
? Complies with JEDEC standard:
? JESD8-7 (1.65 V to 1.95 V)
? JESD8-5 (2.3 V to 2.7 V)
? JESD8-B/JESD36 (2.7 V to 3.6 V)

? ESD protection:
? HBM JESD22-A114F exceeds 2000 V
? MM JESD22-A115-A exceeds 200 V

? ±24 mA output drive (VCC = 3.0 V)
? CMOS low power consumption
? Latch-up performance exceeds 250 mA
? Direct interface with TTL levels
? Inputs accept voltages up to 5 V
? Multiple package options
? Specified from -40 °C to +85 °C and -40 °C to +125 °C