MT4LSDT1664AY Datasheet, PDF (1/28 Pages) Micron Technology – SDRAM Unbuffered DIMM (UDIMM)

32MB, 64MB, 128MB (x64, SR) 168-Pin SDRAM UDIMM
Features
SDRAM Unbuffered DIMM (UDIMM)
MT4LSDT464A – 32MB
MT4LSDT864A(I) – 64MB
MT4LSDT1664A(I) – 128MB
For component data sheets, refer to Micron’s Web site: www.micron.com
Features
• 168-pin, dual in-line memory module (DIMM)
• PC100- and PC133-compliant
• Unbuffered
• 32MB (4 Meg x 64)², 64MB (8 Meg x 64),
128MB (16 Meg x 64)
• Single +3.3V power supply
• Fully synchronous; all signals registered on positive
edge of system clock
• Internal pipelined operation; column address can be
changed every clock cycle
• Internal SDRAM banks for hiding row access/
precharge
• Programmable burst lengths: 1, 2, 4, 8, or full page
• Auto precharge, includes CONCURRENT AUTO
PRECHARGE and auto refresh modes
• Self refresh mode: 64ms, 4,096-cycle refresh
for 32MB and 64MB; 64ms, 8,192-cycle refresh
for 128MB
• LVTTL-compatible inputs and outputs
• Serial presence-detect (SPD)
• Gold edge contacts
Figure 1: 168-Pin DIMM (MO-161)
Standard 25.4mm (1.0in)
Options
• Package
– 168-pin DIMM (standard)
– 168-pin DIMM (Pb-free)
• Operating temperature range
– Commercial (0°C to +65°C)
– Industrial (–40°C to +85°C)^{1, 3}
• Frequency/CAS Latency
– 7.5ns (133 MHz)/CL = 2
– 7.5ns (133 MHz)/CL = 3
– 8ns (100 MHz)/CL = 2²
• PCB
– Standard 25.40mm (1.0in)
Marking
G
Y
None
I
-13E
-133
-10E
Notes: 1. Contact Micron for product availability.
2. Not recommended for new designs.
3. Industrial temperature option available in
-133 MHz only.
Table 1:
Key Timing Parameters
CL = CAS (READ) latency
Speed Grade
-13E
-133
-10E²
Industry
Nomenclature
PC133
PC133
PC100
Access Time
CL = 2
5.4ns
–
9ns
CL = 3
–
5.4ns
7.5ns
Setup Time
-13E
-133
-10E
Hold Time
133 MHz
133 MHz
100 MHz
PDF: 09005aef8078bc7c/Source: 09005aef8078bcd3
SD4C4_8_16X64AG.fm - Rev. D 1/07 EN
1
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©2002 Micron Technology, Inc. All rights reserved.
Products and specifications discussed herein are subject to change by Micron without notice.