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MT8VDDT3264AG-40BC4 Datasheet, PDF (1/15 Pages) Micron Technology – 256MB, 512MB (x64, SR) 184-Pin DDR SDRAM UDIMM | |||
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256MB, 512MB (x64, SR) 184-Pin DDR SDRAM UDIMM
Features
DDR SDRAM UDIMM
MT8VDDT3264A â 256MB
MT8VDDT6464A â 512MB
For component data sheets, refer to Micronâs Web site: www.micron.com
Features
⢠184-pin, unbuffered dual in-line memory module
(UDIMM)
⢠Fast data transfer rates: PC2100, PC2700, or PC3200
⢠256MB (32 Meg x 64), and 512MB (64 Meg x 64)
⢠VDD = VDDQ = +2.5V (-40B: VDD = VDDQ)
⢠VDDSPD = +2.3V to +3.6V
⢠2.5V I/O (SSTL_2-compatible)
⢠Internal pipelined double data rate (DDR)
2n-prefetch architecture
⢠Bidirectional data strobe (DQS) transmitted/
received with dataâthat is, source-synchronous
data capture
⢠Differential clock inputs (CK and CK#)
⢠Multiple internal device banks for concurrent
operation
⢠Single rank
⢠Selectable burst lengths (BL): 2, 4, or 8
⢠Auto precharge option
⢠Auto refresh and self refresh modes: 7.8125µs
maximum average periodic refresh interval
⢠Serial presence-detect (SPD) with EEPROM
⢠Selectable CAS latency (CL) for maximum
compatibility
⢠Gold edge contacts
184-Pin UDIMM (MO-206) Figures
Figure 1: Standard Layout
PCB height: 31.75mm (1.25in)
Figure 2: Alternative Layout
PCB height: 31.75mm (1.25in)
Figure 3: Reduced-Height Layout
PCB height: 28.58mm (1.125in)
Options
Marking
⢠Operating temperature1
â Commercial (0°C ⤠TA ⤠+70°C)
â Industrial (â40°C ⤠TA ⤠+85°C)
⢠Package
None
I
â 184-pin DIMM (standard)
G
â 184-pin DIMM (Pb-free)
Y
⢠Memory clock, speed, CAS latency
â 5.0ns (200 MHz), 400 MT/s, CL = 3
-40B
â 6.0ns (167 MHz), 333 MT/s, CL = 2.5
â 7.5ns (133 MHz), 266 MT/s, CL = 22
â 7.5ns (133 MHz), 266 MT/s, CL = 22
â 7.5ns (133 MHz), 266 MT/s, CL = 2.52
-335
-262
-26A
-265
Notes: 1. Contact Micron for industrial temperature
module offerings.
2. Not recommended for new designs.
PDF: 09005aef80867ab3/Source: 09005aef80867a99
DD8C32_64x64A.fm - Rev. J 8/08 EN
1
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.
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