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PDF WV3HG2128M72AER-D6 Data sheet ( Hoja de datos )
| Número de pieza | WV3HG2128M72AER-D6 | |
| Descripción | 2GB - 2x128Mx72 DDR2 SDRAM REGISTERED | |
| Fabricantes | White Electronic Designs | |
| Logotipo |  |
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White Electronic Designs WV3HG2128M72AER-D6
ADVANCED*
2GB – 2x128Mx72 DDR2 SDRAM REGISTERED, w/PLL
FEATURES
240-pin, dual in-line memory module
Fast data transfer rates: PC2-4200 and PC2-3200
Utilizes 533 and 400 Mb/s DDR2 SDRAM
components
VCC = VCCQ = 1.8V± 0.1V
VCCSPD = 1.7V to 3.6V
JEDEC standard 1.8V I/O (SSTL_18-compatible)
Differential data strobe (DQS, DQS#) option
Four-bit prefetch architecture
DLL to align DQ and DQS transitions with CK
Multiple internal device banks for concurrent
operation
Supports duplicate output strobe (RDQS/RDQS#)
Programmable CAS# latency (CL): 3 and 4
Adjustable data-output drive strength
On-die termination (ODT)
Serial Presence Detect (SPD) with EEPROM
64ms: 8,192 cycle refresh
Gold edge contacts
Product is lead-free
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Dual Rank
Package option
• 240 Pin DIMM
• PCB – 29.97mm (1.18")
DESCRIPTION
The WV3HG2128M72AER is a 128Mx72 Double Data
Rate DDR2 SDRAM high density module. This memory
module consists of thirty six 128Mx4 bit with 4 banks DDR2
Synchronous DRAMs in FBGA packages, mounted on a
240-pin DIMM FR4 substrate.
* This product is under development, is 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
Clock Speed
CL-tRCD-tRP
PC2-3200
200MHz
3-3-3
PC2-4200
266MHz
4-4-4
September
2005 Rev. 0
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
1 page  
White Electronic Designs WV3HG2128M72AER-D6
ADVANCED*
OPERATING TEMPERATURE CONDITION
Parameter
Symbol
Rating
Units
Notes
Operating temperature
TOPER
0 to 85
°C
1, 2
Notes:
1. Operating temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JEDEC JESD51 .2
2. At 0 - 85°C, operation temperature range, all DRAM specification will be supported.
Parameter
Input High (Logic 1 ) Voltage
Input Low (Logic 0) Voltage
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Symbol
VIH(DC)
VIL(DC)
Min
VREF + 0.1 25
-0.300
Max
VREF + 0.300
VREF - 0.125
Unit
V
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
AC Input High (Logic 1 ) Voltage
AC Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
VIH(AC)
VIL(AC)
VREF + 0.250
—
Max
—
VREF - 0.250
Unit
V
V
www.DataSheet4U.com
September
2005 Rev. 0
5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
5 Page 
White Electronic Designs WV3HG2128M72AER-D6
ADVANCED*
Document Title
2GB – 2x128Mx72 DDR2 SDRAM REGISTERED, w/PLL
Revision History
Rev #
Rev 0
History
Created
Release Date Status
September 2005 Advanced
www.DataSheet4U.com
September
2005 Rev. 0
11 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet WV3HG2128M72AER-D6.PDF ] | |
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