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DS1245AB 데이터시트(PDF) 5 Page - Dallas Semiconductor |
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DS1245AB 데이터시트(HTML) 5 Page - Dallas Semiconductor |
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5 / 12 page ![]() DS1245Y/AB 5 of 12 AC ELECTRICAL (VCC=5V ±=5% for DS1245AB) CHARACTERISTICS (tA: See Note 10) (VCC=5V ±=10% for DS1245Y) DS1245AB-100 DS1245Y-100 DS1245AB-120 DS1245Y-120 PARAMETER SYMBOL MIN MAX MIN MAX UNITS NOTES Read Cycle Time tRC 100 120 ns Access Time tACC 100 120 ns OE to Output Valid tOE 50 60 ns CE to Output Valid tCO 100 120 ns OE or CE to Output Active tCOE 5 5 ns 5 Output High Z from Deselection tOD 35 35 ns 5 Output Hold from Address Change tOH 55 ns Write Cycle Time tWC 100 120 ns Write Pulse Width tWP 75 90 ns 3 Address Setup Time tAW 00 ns Write Recovery Time tWR1 tWR2 5 15 5 15 ns ns 12 13 Output High Z from WE tODW 35 35 ns 5 Output Active from WE tOEW 5 5 ns 5 Data Setup Time tDS 40 50 ns 4 Data Hold Time tDH1 tDH2 0 10 0 10 ns ns 12 13 |
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