RoHS Compliant 4GB ECC DDR4 SDRAM UDIMM Industrial / Halogen free Product Specifications July 8, 2019 Version 0.4 Apacer Technology Inc. 1F., No.32, Zhongcheng Rd., Tucheng Dist., New Taipei City 236, Taiwan Tel: +886-2-2267-8000 Fax: +886-2-2267-2261 www.apacer.com Table of Contents General Description ....................................................................................................... 2 Ordering Information ..................................................................................................... 2 Key Parameters .............................................................................................................. 2 Specifications: ................................................................................................................ 3 Features: ......................................................................................................................... 4 Pin Assignments ............................................................................................................. 5 Pin Descriptions ............................................................................................................. 7 Functional Block Diagram ............................................................................................. 8 Absolute Maximum Ratings .......................................................................................... 9 DRAM Component Operating Temperature Range ..................................................... 10 Operating Conditions ................................................................................................... 11 IDD Specifications ....................................................................................................... 12 Environmental Requirements....................................................................................... 15 Mechanical Drawing .................................................................................................... 16 Apacer Technology Inc. 1