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MT4HTF1664AY fiches techniques PDF

Micron - 128MB DDR2 SDRAM UDIMM

Numéro de référence MT4HTF1664AY
Description 128MB DDR2 SDRAM UDIMM
Fabricant Micron 
Logo Micron 





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MT4HTF1664AY fiche technique
128MB, 256MB, 512MB (x64, SR) 240-Pin DDR2 SDRAM UDIMM
Features
DDR2 SDRAM UDIMM
MT4HTF1664AY – 128MB
MT4HTF3264AY – 256MB
MT4HTF6464AY – 512MB
Features
240-pin, unbuffered dual in-line memory module
(UDIMM)
Fast data transfer rates: PC2-3200, PC2-4200,
PC2-5300, or PC2-6400
128MB (16 Meg x 64), 256MB (32 Meg x 64),
512MB (64 Meg x 64)
VDD = VDDQ = 1.8V
VDDSPD = 1.7–3.6V
JEDEC-standard 1.8V I/O (SSTL_18-compatible)
Differential data strobe (DQS, DQS#) option
4n-bit prefetch architecture
Multiple internal device banks for concurrent
operation
Programmable CAS latency (CL)
Posted CAS additive latency (AL)
WRITE latency = READ latency - 1 tCK
Programmable burst lengths (BL): 4 or 8
Adjustable data-output drive strength
64ms, 8192-cycle refresh
On-die termination (ODT)
Serial presence detect (SPD) with EEPROM
Gold edge contacts
Single rank
Figure 1: 240-Pin UDIMM (MO-237 R/C C)
Module height 30.0mm (1.18in)
Options
Operating temperature
Commercial (0°C TA +70°C)
Industrial (–40°C TA +85°C)1
Package
240-pin DIMM (lead-free)
Frequency/CL2
2.5ns @ CL = 5 (DDR2-800)4
2.5ns @ CL = 6 (DDR2-800)4
3.0ns @ CL = 5 (DDR2-667)
3.75ns @ CL = 4 (DDR2-533)3
5.0ns @ CL = 3 (DDR2-400)3
Marking
None
I
Y
-80E
-800
-667
-53E
-40E
Notes:
1. Contact Micron for industrial temperature
module offerings.
2. CL = CAS (READ) latency.
3. Contact Micron for product availability.
4. Not available in 128MB and 256MB.
Table 1: Key Timing Parameters
Speed
Grade
-80E
-800
-667
-53E
-40E
Industry
Nomenclature
PC2-6400
PC2-6400
PC2-5300
PC2-4200
PC2-3200
CL = 6
800
800
Data Rate (MT/s)
CL = 5
CL = 4
800 533
667 533
667 553
553
400
CL = 3
400
400
400
400
400
tRCD
(ns)
12.5
15
15
15
15
tRP
(ns)
12.5
15
15
15
15
tRC
(ns)
55
55
55
55
55
PDF: 09005aef80ed6fda
htf4c16_32_64x64ay – Rev. H 3/10 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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