W3HG2128M72EEU403PD4MG
| Model | W3HG2128M72EEU403PD4MG |
| Description | DDR DRAM Module, 256MX72, 0.6ns, CMOS, ROHS COMPLIANT, SO-CDIMM-200 |
| PDF file | Total 11 pages (File size: 160K) |
| Chip Manufacturer | MICROSEMI |
White Electronic Designs
W3HG2128M72EEU-PD4
ADVANCED*
2GB – 2x128Mx72 DDR2 SDRAM, SO-CDIMM w/PLL
FEATURES
Unbuffered 200-pin (SO-CDIMM) small-outline
clocked dual in-line memory module. Raw card "C"
Support ECC detection and correction
Fast data transfer rates: PC2-6400*, PC2-5300,
PC2-4200 and PC2-3200
V
CC
= V
CCQ
= 1.8V
V
CCSPD
= 1.7V to 3.6V
JEDEC standard 1.8V I/O (SSTL_18-compatible)
Differential data strobe (DQS, DQS#) option
Differential clock input (CK,CK#)
Four-bit prefetch architecture
Multiple internal device banks for concurrent
operation
Programmable CAS# latency (CL): 3 4, 5*, and 6*
Adjustable data-output drive strength
7.8µs average periodic refresh interval
On-die termination (ODT)
Posted CAS# latency: 0, 1, 2, 3 and 4
Serial Presence Detect (SPD) with EEPROM
Auto & self refresh (64ms: 8,192 cycle refresh)
Gold edge contacts
Dual Rank
RoHS compliant
JEDEC proposed pin-out
Package option
• 200 Pin SO-CDIMM: 30.00mm (1.181") TYP
DESCRIPTION
The W3HG2128M72EEU is a 2x128Mx72 Double Data
Rate DDR2 SDRAM high density module. This memory
module consists of eighteen 128Mx8 bit BGA with 8 banks
DDR2 Synchronous DRAMs in FBGA packages, mounted
on a 200-pin SO-CDIMM FR4 substrate.
* This product may or may not be under development, not qualified or characterized and
is subject to change or cancellation without notice.
NOTE: Consult factory for availability of:
• Vendor source control options
• Industrial temperature option
OPERATING FREQUENCIES
PC2-6400*
Clock Speed
CL-t
RCD
-t
RP
* Consult factory for availability
PC2-5300*
333MHz
5-5-5
PC2-4200
266MHz
4-4-4
PC2-3200
200MHz
3-3-3
400MHz
6-6-6
May 2007
Rev. 2
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
