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54ACT139L bảng dữ liệu(PDF) 1 Page - National Semiconductor (TI) |
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54ACT139L bảng dữ liệu(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page 54AC139 • 54ACT139 Dual 1-of-4 Decoder/Demultiplexer General Description The ’AC/’ACT139 is a high-speed, dual 1-of-4 decoder/ demultiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually-exclusive active-LOW outputs. Each decoder has an active-LOW Enable input which can be used as a data in- put for a 4-output demultiplexer. Each half of the ’AC/ ’ACT139 can be used as a function generator providing all four minterms of two variables. Features n ICC reduced by 50% n Multifunction capability n Two completely independent 1-of-4 decoders n Active LOW mutually exclusive outputs n Outputs source/sink 24 mA n ’ACT139 has TTL-compatible inputs n Standard Military Drawing (SMD) — ’AC139: 5962-87623 — ’ACT139: 5962-87553 Logic Symbols Pin Names Description A 0,A1 Address Inputs E Enable Inputs O 0–O3 Outputs FACT® is a registered trademark of Fairchild Semiconductor Corporation. DS100269-8 DS100269-1 IEEE/IEC DS100269-2 August 1998 © 1998 National Semiconductor Corporation DS100269 www.national.com |
Số phần tương tự - 54ACT139L |
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Mô tả tương tự - 54ACT139L |
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