07716ConfidentialTET JJ 2005What’s NAND FlashToshiba Electronics Taiwan Co., JJ Tsai () 2005ConfidentialTET JJ 2005NOR vs NAND system interfaceSystem Bus/CE /OE /WE STS(R/B) /Reset /BYTEA0-A22NOR FlashSystem Bus/CE /RE /WE R/BY ALE CLE /WPNAND Flash ADQ0-ADQ7DQ0-DQ15ConfidentialNAND / NOR CharacteristicsNAND NOR~ 128Mbit 2.3-3.6V x8/x1670ns(30pF, 2.3V) 65ns(30pF, 2.7V)TET JJ 2005Capacity Power Supply I/O Access Time Program Speed (typ.) Erase Speed(typ.)Prog+Erase(typ.)~ 1Gbit (2chips/pkg) 2.7-3.6V x850ns(serial access cycle) 25s(random access)8s/Byte 200s/512Byte 2ms/Block (16KB) 33.6ms / 64KB 4.1ms/512Byte 700ms/Block 1.23s/Block (main:64KB)ConfidentialWhat’s the Flash ?TET JJ 2005Flash has a floating gate inside the Transistor ,the float……
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