This document describes ValueRAM's 32M x 64-bit (256MB) DDR400 CL3 SDRAM

(Synchronous DRAM) memory module. The components on this module include eight

16M x 16-bit (4M x 16-bit x 4 Bank ) DDR400 SDRAM in TSOP packages. This 200-pin

DIMM uses gold contact fingers and requires +2.6V. The electrical and mechanical

specifications are as follows:

Clock Cycle Time (tCK) 5ns (min.) / 10ns (max.)

Refresh Row Cycle Time (tRFC) 70ns (min.)

Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)

Single Power Supply of +2.6V (+/- .1V)

Operating (IDD0) 2.525 W

UL Rating 94 V - 0