Общи преходи: 18.
Добавлено: 10-07-2024
Ще бъдат изтрити: 17-07-2024
Детайли: DESCRIPTION This document describes ValueRAM’s 128M x 64-bit 1GB (1024MB) CL5 DDR2-667 SDRAM (Synchronous DRAM) memory module. The components on this module include eight 128M x 8-bit DDR2-667 SDRAM in FBGA packages. This 200-pin SODIMM uses gold contact fingers and requires +1.8V. The electrical and mechanical specifications are as follows: SPECIFICATIONS Clock Cycle Time (tCK) CL=5 3ns (min.) 8ns (max.) Row Cycle Time (tRC) 60ns (min.) Refresh to Active/Refresh 127.5ns Command Time (tRFC) Row Active Time (tRAS) 45ns (min.) 70,000ns (max.) Single Power Supply of +1.8V (+/- .1V) Power 1.125 W (operating per module) UL Rating 94 V - 0
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