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Description
The AC/ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three AC/ACT138 devices or a 1-of-32 decoder using four AC/ACT138 devices and one inverter.
Title
1-of-8 Decoder/Demultiplexer
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1. Description
The 74ACT138 is an advanced high-speed CMOS 3 TO 8 LINE DECODER (INVERTING) fabricated with sub-micron
silicon gate and double-layer metal wiring C 2 MOS tecnology. If the device is enabled, 3 binary select inputs (A, B,
and C) determine which one of the outputs will go low. If enable input G1 is held low or either G2A or G2B is held high,
the decoding function is inhibited and all the 8 outputs go to high.
2. Features
> HIGH SPEED: tPD= 5ns (TYP.) at VCC= 5V
> LOW POWER DISSIPATION:ICC = 4μA(MAX.) at TA=25°C
> COMPATIBLE WITH TTL OUTPUTS V IH= 2V (MIN.), VIL= 0.8V (MAX.)
> 50? TRANSMISSION LINE DRIVING
CAPABILITY
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10000 buyer reviews from United States
Jeffrey Bennett
Length of registration:7 years
I recently purchased an IC 74ACT138PC from your store and I am very pleased with the product. The IC is working perfectly and I am able to use it for my project without any issues. The qu of the IC is excellent and I am very satisfied with the performance. I would highly recommend your store to anyone looking for ICs. Thank you for providing such a great product.
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03/17/2023
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74ACT138
74ACT138 has several brands around the world that may have alternate names for 74ACT138 due to regional differences or acquisition. 74ACT138 may also be known as the following names:
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