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UPD30121 Datasheet(PDF) 40 Page - NEC |
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UPD30121 Datasheet(HTML) 40 Page - NEC |
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40 / 76 page  Data Sheet U14691EJ1V0DS00 40 µµµµPD30121 (5) EDO-type DRAM read parameter (2/2) MRAS (0:3)# Note 1 (output) UCAS#/LCAS# Note 2 (output) ADD (19:23) (output) ADD (9:18) (output) RD# (output) DATA Note 3 (I/O) tRASP tRHCP tRP tCSH tHCAS tRSH tASR tRCD tRAD tRAH tRAL tASC tCAH1 tCAH2 tACP tOEA Invalid Invalid tRAC tAA tCAC tDS1 tDH1 tDS2 tDH2 tCP tHPC tCAH3 Notes 1. In 32-bit mode: Applied to MRAS (0:1)# pins In 16-bit mode: Applied to UUCAS#/MRAS3#, ULCAS#/MRAS2#, and MRAS (0:1)# pins 2. In 32-bit mode: Applied to UUCAS#/MRAS3#, ULCAS#MRAS2#, UCAS#, and LCAS# pins In 16-bit mode: Applied to UCAS# and LCAS# pins 3. In 32-bit mode: Applied to DATA (16:31)/GPIO (16:31) and DATA (0:15) pins In 16-bit mode: Applied to DATA (0:15) pins Remark The broken lines indicate high impedance. |
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