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SN74LS138DR2 Datasheet(PDF) 1 Page - ON Semiconductor |
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SN74LS138DR2 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2001 October, 2001 – Rev. 7 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 SOIC D SUFFIX CASE 751B PLASTIC N SUFFIX CASE 648 16 1 16 1 SOEIAJ M SUFFIX CASE 966 16 1 Device Package Shipping ORDERING INFORMATION SN74LS138N 16 Pin DIP 2000 Units/Box SN74LS138D SOIC–16 38 Units/Rail SN74LS138DR2 SOIC–16 2500/Tape & Reel SN74LS138M SOEIAJ–16 See Note 1 SN74LS138MEL SOEIAJ–16 1. For ordering information on the EIAJ version of the SOIC package, please contact your local ON Semiconductor representative. See Note 1 http://onsemi.com |
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