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封裝/外殼：54-TSOP（0.400"，10.16mm 寬） 包裝：卷帶（TR） 描述：IC DRAM 512MBIT PAR 54TSOP II 集成電路（IC） 存儲器

16Mx32, 32Mx16, 64Mx8 512Mb SDRAM

FEATURES ? Clock frequency: 200, 166, 143 MHz ? Fully synchronous; all signals referenced to a positive clock edge ? Internal bank for hiding row access/precharge ? Power supply: Vdd/Vddq = 2.3V-3.6V IS42/45SxxxxxD - Vdd/Vddq = 3.3V IS42/45RxxxxxD - Vdd/Vddq = 2.5 ? LVTTL interface ? Prog

16Mx32, 32Mx16, 64Mx8 512Mb SDRAM

FEATURES ? Clock frequency: 200, 166, 143 MHz ? Fully synchronous; all signals referenced to a positive clock edge ? Internal bank for hiding row access/precharge ? Power supply: Vdd/Vddq = 2.3V-3.6V IS42/45SxxxxxD - Vdd/Vddq = 3.3V IS42/45RxxxxxD - Vdd/Vddq = 2.5 ? LVTTL interface ? Prog