产品特点
内存容量:2GB , 工作频率:266MHz .
DESCRIPTION:
This document describes ValueRAM s 256M x 72-bit (2048MB), CAS Latency 2.5 SDRAM (Synchronous DRAM) Registered DDR266 ECC memory module. The components on this module include eighteen stacked 256M x 4-bit, 133MHz, 7.5ns, CL2.5 SDRAM and three 16bit drivers in TSSOP packages. This 184-pin DIMM uses gold contact fingers and requires +2.5V. The electrical and mechanical specifications are as follows
详细参数
FEATURES:
Clock Cycle Time (tCK) 7.5ns (min.) / 12ns (max.)
Row Cycle Time (tRC) 65ns (min.)
Refresh Row Cycle Time (tRFC) 75ns (min.)
Row Active Time (tRAS) 45ns (min.) / 120,000ns (max.)
Single Power Supply of +2.5V (+/- .25V)
Power (IDD0) 12.550 W operating
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