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UPD4481321GF-A65 Datasheet(PDF) 9 Page - NEC |
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UPD4481321GF-A65 Datasheet(HTML) 9 Page - NEC |
9 / 28 page 9 Data Sheet M15561EJ3V0DS µPD4481161, 4481181, 4481321, 4481361 [ µµµµPD4481321, µµµµPD4481361] A0 to A17 MODE CLK /CKE ADV /BW1 /BW2 /WE /G /CE CE2 /CE2 Address register 0 Burst logic Write address register Write registry and data coherency control logic Write drivers ADV K A1 A0 A1’ A0’ Read logic Input register E E I/O1 to I/O32 I/OP1 to I/OP4 18 16 18 18 18 32/36 32/36 32/36 32/36 /BW3 /BW4 ZZ Power down control K Memory Cell Array 256 x 32 columns (8,388,608 bits) 256 x 36 columns (9,437,184 bits) 1,024 rows [ µµµµPD4481321, µµµµPD4481361] Interleaved Burst Sequence Table (MODE = VDD) External Address A17 to A2, A1, A0 1st Burst Address A17 to A2, A1, /A0 2nd Burst Address A17 to A2, /A1, A0 3rd Burst Address A17 to A2, /A1, /A0 Linear Burst Sequence Table (MODE = VSS) External Address A17 to A2, 0, 0 A17 to A2, 0, 1 A17 to A2, 1, 0 A17 to A2, 1, 1 1st Burst Address A17 to A2, 0, 1 A17 to A2, 1, 0 A17 to A2, 1, 1 A17 to A2, 0, 0 2nd Burst Address A17 to A2, 1, 0 A17 to A2, 1, 1 A17 to A2, 0, 0 A17 to A2, 0, 1 3rd Burst Address A17 to A2, 1, 1 A17 to A2, 0, 0 A17 to A2, 0, 1 A17 to A2, 1, 0 |
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