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SN74LS138N 数据表(PDF) 1 Page - ON Semiconductor |
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SN74LS138N 数据表(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 1999 December, 1999 – Rev. 6 1 Publication Order Number: SN74LS138/D SN74LS138 1-of-8 Decoder/ Demultiplexer The LSTTL / MSI SN74LS138 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 LS138 devices or to a 1-of-32 decoder using four LS138s and one inverter. The LS138 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all ON Semiconductor TTL families. • Demultiplexing Capability • Multiple Input Enable for Easy Expansion • Typical Power Dissipation of 32 mW • Active Low Mutually Exclusive Outputs • Input Clamp Diodes Limit High Speed Termination Effects GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 4.75 5.0 5.25 V TA Operating Ambient Temperature Range 0 25 70 °C IOH Output Current – High – 0.4 mA IOL Output Current – Low 8.0 mA LOW POWER SCHOTTKY Device Package Shipping ORDERING INFORMATION SN74LS138N 16 Pin DIP 2000 Units/Box SN74LS138D 16 Pin SOIC D SUFFIX CASE 751B http://onsemi.com 2500/Tape & Reel PLASTIC N SUFFIX CASE 648 16 1 16 1 |
类似零件编号 - SN74LS138N |
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类似说明 - SN74LS138N |
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