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54F14 데이터시트(PDF) 1 Page - National Semiconductor (TI) |
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54F14 데이터시트(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLF9461 December 1994 54F74F14 Hex Inverter Schmitt Trigger General Description The ’F14 contains six logic inverters which accept standard TTL input signals and provide standard TTL output levels They are capable of transforming slowly changing input sig- nals into sharply defined jitter-free output signals In addi- tion they have a greater noise margin than conventional inverters Each circuit contains a Schmitt trigger followed by a Darling- ton level shifter and a phase splitter driving a TTL totem- pole output The Schmitt trigger uses positive feed back to effectively speed-up slow input transition and provide differ- ent input threshold voltages for positive and negative-going transitions This hysteresis between the positive-going and negative-going input thresholds (typically 800 mV) is deter- mined internally by resistor ratios and is essentially insensi- tive to temperature and supply voltage variations Features Y Guaranteed 4000V minimum ESD protection Y Standard Military Drawing 5962-88752 Commercial Military Package Package Description Number 74F14PC N14A 14-Lead (0300 Wide) Molded Dual-In-Line 54F14DM (Note 2) J14A 14-Lead Ceramic Dual-In-Line 74F14SC (Note 1) M14A 14-Lead (0150 Wide) Molded Small Outline JEDEC 74F14SJ (Note 1) M14D 14-Lead (0300 Wide) Molded Small Outline EIAJ 54F14FM (Note 2) W14B 14-Lead Cerpack 54F14LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use Suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbol IEEEIEC TLF9461 – 3 Connection Diagrams Pin Assignment DIP SOIC and Flatpak TLF9461 – 1 Pin Assignment for LCC TLF9461 – 2 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation RRD-B30M75Printed in U S A |
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