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1 Features

? Wide operating range of 1.65V to 5.5V

? 5.5V tolerant input pins

? Single-supply voltage translator (refer to LVxT

Enhanced Input Voltage):

– Up translation:

? 1.2V to 1.8V

? 1.5V to 2.5V

? 1.8V to 3.3V

? 3.3V to 5.0V

– Down translation:

? 5.0V, 3.3V, 2.5V to 1.8V

? 5.0V, 3.3V to 2.5V

? 5.0V to 3.3V

? Up to 150Mbps with 5V or 3.3V VCC

? Supports standard function pinout

? Latch-up performance exceeds 250mA

per JESD 17

? Supports defense and aerospace applications:

– Controlled baseline

– One assembly and test site

– One fabrication site

– Extended product life cycle

– Product traceability

2 Applications

? Enable or disable a digital signal

? Controlling an indicator LED

? Translation between communication modules and

system controllers

3 Description

The SN74LV8T139-EP contains two two-to-four

decoders with one active low output strobe G. When

the outputs of one channel are gated by the strobe

input, they are all forced into the high state. When the

outputs are not disabled by the strobe input, only the

selected output is low while all others are high.