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54F243LMQB 数据表(PDF) 4 Page - National Semiconductor (TI) |
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54F243LMQB 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 6 page AC Electrical Characteristics 74F 54F 74F TA ea25 C TA VCC e Mil TA VCC e Com Symbol Parameter VCC ea50V CL e 50 pF CL e 50 pF Units CL e 50 pF Min Typ Max Min Max Min Max tPLH Propagation Delay 25 40 52 20 65 20 62 ns tPHL An to Bn Bn to An 25 40 52 20 85 20 65 tPZH Output Enable Time 20 43 57 20 80 20 67 tPZL E1 to Bn E2 to An 20 58 75 20 105 20 85 ns tPHZ Output Disable Time 20 45 60 15 75 15 70 tPLZ E1 to Bn E2 to An 20 45 60 20 85 20 70 Ordering Information The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows 74F 243 S C X Temperature Range Family Special Variations 74F e Commercial QB e Military grade device with 54F e Military environmental and burn-in processing Device Type X e Devices shipped in 13 reel Package Code Temperature Range D e Ceramic DIP C e Commercial (0 Cto a70 C) F e Flatpak M e Military (b55 Cto a125 C) L e Leadless Chip Carrier (LCC) S e Small Outline SOIC JEDEC Physical Dimensions inches (millimeters) 20-Lead Ceramic Leadless Chip Carrier (L) NS Package Number E20A 4 |
类似零件编号 - 54F243LMQB |
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类似说明 - 54F243LMQB |
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