Part Number
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MC74AC138 |
Manufacturer
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ON Semiconductor |
Description
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1-of-8 Decoder / Demultiplexer |
Published
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Feb 14, 2006 |
Detailed Description
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MC74AC138, MC74ACT138
1-of-8 Decoder/Demultiplexer
The MC74AC138/74ACT138 is a high−speed 1−of−8 decoder/demultiplexer....
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Datasheet
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MC74AC138
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Overview
MC74AC138, MC74ACT138
1-of-8 Decoder/Demultiplexer
The MC74AC138/74ACT138 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 MC74AC138/74ACT138 devices or a 1−of−32 decoder using four MC74AC138/74ACT138 devices and one inverter.
• Demultiplexing Capability • Multiple Input Enable for Easy Expansion • Active LOW Mutually Exclusive Outputs • Outputs Source/Sink 24 mA • ′ACT138 Has TTL Compatible Inputs • These are Pb−Free Devices
VCC O0 O1 O2 O3 O4 O5 O6
16 15 14 13 12 11 10 9
123 A0 A1 A2
45 E1 E2
678 E3 O7 GND
Figu...
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