SN54HC139, SN74HC139
SCLS108E – DECEMBER 1982 – REVISED FEBRUARY 2022
SNx4HC139 Dual 2-Line To 4-Line Decoders/Demultiplexers
1 Features
• Targeted specifically for high-speed memory decoders and data-transmission systems
• Wide operating
voltage range of 2 V to 6 V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80-μA max ICC • Typical tpd = 10 ns • ±4-mA output drive at 5 V • Low input current of 1 μA max • Incorporate two enable inputs to simplify
cascading and/or data reception
xA0
xA1
2 Description
The SNx4HC139 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 in...