HYMD264646D8J

This Hynix unbuffered Dual In-Line Memory Module (DIMM) series consists of 256Mb D ver. DDR SDRAMs in 400 mil TSOP II packages on a 184pin glass-epoxy substrate.

This Hynix 256Mb D ver. based unbuffered DIMM series providea high performance 8 byte interface in 5.25" width form factor of industry standard.

It is suitable for easy interchange and addition.

Features

JEDEC Standard 184-pin dual in-line memory module (DIMM)
Two ranks 64M x 72, 64M x 64 and One rank 32M x 72, 32M x 64, 16M x 64 organization
2.6V ±0.1V VDD and VDDQ Power supply for DDR400, 2.5V ±0.2V for DDR333 and below
All inputs and outputs are compatible with SSTL_2 interface
Fully differential clock operations (CK & /CK) with 133/166/200MHz
DLL aligns DQ and DQS transition with CK transition
Programmable CAS Latency: DDR266(2, 2.5 clock), DDR333(2.5 clock), DDR400(3 clock)
Programmable Burst Length 2 / 4 / 8 with both sequential and interleave mode
Edge-aligned DQS with data outs and Center-aligned DQS with data inputs
Auto refresh and self refresh supported
8192 refresh cycles / 64ms
Serial Presence Detect (SPD) with EEPROM
Built with 256Mb DDR SDRAMs in 400 mil TSOP II packages
Lead-free product listed for each configuration (RoHS compliant)