DDR2 SDRAM FBDIMM
MT72HTS1G72FZ – 8GB
Features
• 240-pin, DDR2 fully buffered DIMM (FBDIMM)
• Fast data transfer rates: PC2-4200, PC2-5300, or
PC2-6400
• 8GB (1 Gig x 72)
• 3.2 Gb/s, 4 Gb/s, and 4.8 Gb/s link transfer rates
• High-speed, 1.5V differential, point-to-point link
between host memory controller and the advanced
memory buffer (AMB)
• Fault-tolerant; can work around a bad bit lane in
each direction
• High-density scaling with up to eight FBDIMM
devices per channel
• SMBus interface to AMB for configuration register
access
• In-band and out-of-band command access
• Deterministic protocol
– Enables memory controller to optimize DRAM
accesses for maximum performance
– Delivers precise control and repeatable
memory behavior
• Automatic DDR2 SDRAM bus and channel
calibration
• Transmitter de-emphasis to reduce ISI
• MBIST and IBIST test functions
• Transparent mode for DRAM test support
Figure 1: 240-Pin FBDIMM (MO-256)
Module height: 30.35mm (1.19in)
Options Marking
• Package
– 240-pin DIMM (halogen-free) Z
• Frequency/CAS latency
– 2.5ns @ CL = 5 (DDR2-800) -80E
– 3.0ns @ CL = 5 (DDR2-667) -667
Features (Continued)
• V
DD
= V
DDQ
= 1.8V for DRAM
• V
REF
= 0.9V SDRAM command and address
termination
• V
CC
= 1.5V for AMB
• V
DDSPD
= 3–3.6V for AMB and EEPROM
• Serial presence-detect (SPD) EEPROM
• Gold edge contacts
• Full module heat spreader
• Halogen-free
•
Quad rank, using 2Gb TwinDie™ devices
• Supports 95°C operation with 2x refresh
Table 1: Key Timing Parameters
Speed
Grade
Industry
Nomenclature
Data Rate (MT/s) t
RCD
(ns)
t
RP
(ns)
t
RC
(ns)CL = 6 CL = 5 CL = 4 CL = 3
-80E PC2-6400 800 800 533 400 12.5 12.5 55
-667 PC2-5300 – 667 553 400 15 15 55
-53E PC2-4200 – – 553 400 15 15 55
8GB (x72, QR) 240-Pin DDR2 SDRAM FBDIMM
Features
PDF: 09005aef840ecabe
hts72c1gx72fz.pdf - Rev. B 4/14 EN
1
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2010 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.