DESCRIPTION

The WED3DG644V is a 4Mx64 synchronous DRAM module which consists of four 4Mx16 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSOP package for Serial Presence Detect which are mounted on a 144 pin SO-DIMM multilayer FR4 Substrate.

FEATURES

■ PC100 and PC133 compatible

■ Burst Mode Operation

■ Auto and Self Refresh capability

■ LVTTL compatible inputs and outputs

■ Serial Presence Detect with EEPROM

■ Fully synchronous: All signals are registered on the positive edge of the system clock

■ Programmable Burst Lengths: 1, 2, 4, 8 or Full Page

■ 3.3V ± 0.3V Power Supply

■ 144 Pin SO-DIMM JEDEC

• D1: 27.94 (1.10”)