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54FCT138L Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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54FCT138L Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
1 / 7 page 54FCT138 1-of-8 Decoder/Demultiplexer General Description The FCT138 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 al- low parallel expansion to a 1-of-24 decoder using just three FCT138 devices or a 1-of-32 decoder using four FCT138 de- vices and one inverter. Features n Demultiplexing capability n Multiple input enable for easy expansion n Active LOW mutually exclusive outputs n Outputs sink capability of 32mA, source capability of 12mA n TTL input and output level compatible n CMOS power consumption n Standard Microcircuit Drawing (SMD) 5962-8765401 Ordering Code Military Package Package Description Number 54FCT138DMQB J16A 16-Lead Ceramic Dual-In-Line 54FCT138FMQB W16A 16-Lead Cerpack 54FCT138LMQB E20A 20-Lead Ceramic Leadless Chip Carrier, Type C Logic Symbols Pin Names Description A 0–A2 Address Inputs E 1–E2 Enable Inputs E 3 Enable Input O 0–O7 Outputs Connection Diagrams FACT® is a registered trademark of Fairchild Semiconductor Corporation. DS100963-1 IEEE/IEC DS100963-7 Pin Assignment for DIP and Flatpak DS100963-2 Pin Assignment for LCC DS100963-3 October 1999 © 1999 National Semiconductor Corporation DS100963 www.national.com |
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