
Products and specifications discussed herein are subject to change by Micron without notice.
128MB, 256MB: (x72, ECC, SR) 200-Pin DDR SODIMM
Features
PDF: 09005aef80a8e793/Source: 09005aef80a8e767 Micron Technology, Inc., reserves the right to change products or specifications without notice.
dd5c16_32x72h.fm - Rev. F 2/07 EN
1 ©2004 Micron Technology, Inc. All rights reserved.
DDR SDRAM Small-Outline DIMM
MT5VDDT1672H – 128MB
MT5VDDT3272H – 256MB
For component data sheets, refer to Micron’s Web site: www.micron.com
Features
• 200-pin, small-outline dual in-line memory module
(SODIMM)
• Fast data transfer rates: PC-2100, PC-2700,
or PC-3200
• 128MB
2
(16 Meg x 72) and 256MB (32 Meg x 72)
• Supports ECC error detection and correction
•V
DD = VDDQ = +2.5V
•V
DDSPD = +2.3V to +3.6V
• JEDEC-standard 2.5V I/O (SSTL_2-compatible)
• Commands entered on each positive CK edge
• DQS edge-aligned with data for READs; center-
aligned with data for WRITEs
• Internal, pipelined double data rate (DDR)
architecture; two data accesses per clock cycle
• Bidirectional data strobe (DQS) transmitted/
received with data (source-synchronous data
capture)
• Differential clock inputs (CK and CK#)
• Four internal device banks for concurrent operation
• 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 READ CAS latency for maximum
compatibility
• Gold edge contacts
Figure 1: 200-Pin SODIMM (MO-224 R/C C)
Notes: 1. Contact Micron for industrial temperature
module offerings.
2. Consult factory for product availability.
3. -40B only available for 256MB modules.
Options Marking
• Operating temperature
1
– Commercial (0°C ≤ T
A
≤ +70°C) None
– Industrial (–40°C ≤ T
A
≤ +85°C) I
•Package
– 200-pin SODIMM (standard)
2
G
– 200-pin SODIMM (Pb-free) Y
• Memory clock, frequency, CAS latency
– 5ns (200 MHz), 400 MT/s, CL = 3 -40B
3
– 6ns (167 MHz), 333 MT/s, CL = 2.5 -335
– 7.5ns (133 MHz), 266 MT/s, CL = 2 -262
– 7.5ns (133 MHz), 266 MT/s, CL = 2 -26A
– 7.5ns (133 MHz), 266 MT/s, CL = 2.5 -265
•PCB height
– 31.75mm (1.25in)
Module height: 31.75mm (1.25in)
Table 1: Key Timing Parameters
Speed
Grade Industry Nomenclature
Data Rate (MT/s)
t
RCD
(ns)
t
RP
(ns)
t
RC
(ns)CL = 3 CL = 2.5 CL = 2
-40B PC-3200 400 333 266 15 15 55
-335 PC-2700 – 333 266 15 15 60
-262 PC-2100 – 266 266 15 15 60
-26A PC-2100 – 266 266 20 20 65
-265 PC-2100 – 266 200 20 20 65