HMT425U6AFR6C Datasheet, PDF (3/60 Pages) Hynix Semiconductor – DDR3 SDRAM Unbuffered DIMMs Based on 4Gb A-Die

Description
SK hynix Unbuffered DDR3 SDRAM DIMMs (Unbuffered Double Data Rate Synchronous DRAM Dual In-Line
Memory Modules) are low power, high-speed operation memory modules that use DDR3 SDRAM devices.
These Unbuffered SDRAM DIMMs are intended for use as main memory when installed in systems such as
PCs and workstations.

Feature
• VDD=1.5V +/- 0.075V
• VDDQ=1.5V +/- 0.075V
• VDDSPD=3.0V to 3.6V
• 8 internal banks
• Data transfer rates: PC3-14900, PC3-12800, PC3-10600,PC3-8600
• Bi-directional Differential Data Strobe
• 8 bit pre-fetch
• Burst Length (BL) switch on-the-fly: BL 8 or BC (Burst Chop) 4
• Supports ECC error correction and detection
• On Die Termination (ODT) supported
• Temperature sensor with integrated SPD (Serial Presence Detect) EEPROM
• This product is in Compliance with the RoHS directive

Ordering Information
Part Number
Density Organization
HMT425U6AFR6C-G7/H9/PB/RD
2GB
HMT451U6AFR8C-G7/H9/PB/RD
4GB
HMT451U7AFR8C-G7/H9/PB/RD
4GB
HMT41GU6AFR8C-G7/H9/PB/RD 8GB
HMT41GU7AFR8C-G7/H9/PB/RD 8GB
256Mx64
512Mx64
512Mx72
1Gx64
1Gx72
Component Composition
256Mx16(H5TQ4G63AFR)*4
512Mx8(H5TQ4G83AFR)*8
512Mx8(H5TQ4G83AFR)*9
512Mx8(H5TQ4G83AFR)*16
512Mx8(H5TQ4G83MFR)*18
# of
ranks
FDHS
1
X
1
X
1
X
2
X
2
X
Rev. 1.1 / Jul. 2013
3