mt18lsdt3272g-10e Micron Semiconductor Products, mt18lsdt3272g-10e Datasheet

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mt18lsdt3272g-10e

Manufacturer Part Number
mt18lsdt3272g-10e
Description
256mb, 512mb, 1gb X72, Ecc, Sr 168-pin Sdram Rdimm
Manufacturer
Micron Semiconductor Products
Datasheet
SDRAM RDIMM
MT18LSDT3272 – 256MB
MT18LSDT6472 – 512MB
MT18LSDT12872 – 1GB
For component data sheets, refer to Micron’s Web site:
Features
• 168-pin, PC133-compliant registered dual in-line
• Phase-lock loop (PLL) clock driver to reduce loading
• Uses 133 MHz SDRAM components
• Supports ECC error detection and correction
• 256MB (32 Meg x 72), 512MB (64 Meg x 72), and
• V
• Fully synchronous; all signals are registered on the
• Internal pipelined operation; column address can be
• Internal SDRAM banks for hiding row access/
• Programmable burst lengths (BL): 1, 2, 4, 8, or full
• Single rank
• Auto precharge option
• Auto and self refresh modes: 15.625µs (1GB) or
• LVTTL-compatible inputs and outputs
• Serial presence-detect (SPD) with EEPROM
• Gold edge contacts
Table 1:
PDF: 09005aef809b161a/Source: 09005aef809b15eb
SD18C32_64_128x72.fm - Rev. E 1/08 EN
memory module (RDIMM)
1GB (128 Meg x 72)
positive edge of the PLL clock
changed every clock cycle
precharge
page
7.81µs (256MB, 512MB) maximum periodic refresh
interval
DD
Speed
Grade
-13E
-133
= +3.3V
Key Timing Parameters
Products and specifications discussed herein are subject to change by Micron without notice.
Nomenclature
Industry
PC133
PC133
256MB, 512MB, 1GB (x72, ECC, SR): 168-Pin SDRAM RDIMM
CL = 2
133
Data Rate (MT/s)
www.micron.com
CL = 3
1
133
168-Pin RDIMM (MO-161)
Figure 1:
Figure 2:
Notes: 1. CL = CAS (READ) latency; registered mode
Options
• Package
• Frequency/CAS latency
PCB height: 43.18mm (1.70in)
PCB height: 30.48mm (1.20in)
– 168-pin DIMM
– 168-pin DIMM (Pb-free)
– 133 MHz/CL = 2
– 133 MHz/CL = 3
Micron Technology, Inc., reserves the right to change products or specifications without notice.
will add one clock cycle to CL.
t
Standard Layout (R/C B)
Low Profile Layout (R/C G)
(ns)
RCD
15
20
1
©2003 Micron Technology, Inc. All rights reserved.
(ns)
t
15
20
RP
Marking
-13E
-133
Features
G
Y
(ns)
t
60
66
RC

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mt18lsdt3272g-10e Summary of contents

Page 1

... MT18LSDT12872 – 1GB For component data sheets, refer to Micron’s Web site: Features • 168-pin, PC133-compliant registered dual in-line memory module (RDIMM) • Phase-lock loop (PLL) clock driver to reduce loading • Uses 133 MHz SDRAM components • Supports ECC error detection and correction • ...

Page 2

... Table 3: Part Numbers and Timing Parameters – 256MB Modules Base device: MT48LC32M4A2, Module 2 Part Number Density 3 MT18LSDT3272G-13E__ 3 MT18LSDT3272Y-133__ MT18LSDT3272G-133__ Table 4: Part Numbers and Timing Parameters – 512MB Modules Base device: MT48LC64M4A2, 2 Part Number MT18LSDT6472G-13E__ MT18LSDT6472Y-13E__ MT18LSDT6472G-133__ MT18LSDT6472Y-133__ Table 5: Part Numbers and Timing Parameters – 1GB Modules ...

Page 3

Pin Assignments and Descriptions Figure 3: Pin Assignments 168-Pin SDRAM RDIMM Front Pin Symbol Pin Symbol Pin Symbol Pin Symbol CB1 DQ0 DQ1 DQ2 25 ...

Page 4

... Check bits. Data input/output: Data bus. Serial presence-detect data: SDA is a bidirectional pin used to transfer addresses and data into and data out of the EEPROM portion of the module. Power supply: +3.3V ±0.3V. Ground. Not connected: These pins are not connected on the module. ...

Page 5

Functional Block Diagram Figure 4: Functional Block Diagram RAS# CAS# CKE0 WE# A0–A11/A12 BA0 BA1 S0#, S2# DQMB0–DQMB7 U13 V DD REGE PDF: 09005aef809b161a/Source: 09005aef809b15eb SD18C32_64_128x72.fm - Rev. E 1/08 EN 256MB, 512MB, 1GB (x72, ECC, SR): 168-Pin SDRAM RDIMM ...

Page 6

... LOW), where the input signals pass through the register/buffer to the SDRAM devices on the same clock. A phase-lock loop (PLL) on the modules is used to redrive the clock signals to the SDRAM devices to minimize system clock loading (CK0 is connected to the PLL, and CK1, CK2, and CK3 are terminated) ...

Page 7

... SDRAM modules incorporate serial presence-detect (SPD). The SPD function is imple- mented using a 2,048-bit EEPROM. This nonvolatile storage device contains 256 bytes. The first 128 bytes are programmed by Micron to identify the module type and various SDRAM organizations and timing parameters. The remaining 128 bytes of storage are available for use by the customer ...

Page 8

... Electrical Specifications Stresses greater than those listed may cause permanent damage to the module. This is a stress rating only, and functional operation of the module at these or any other condi- tions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may adversely affect reliability ...

Page 9

I Specifications DD Table 10: I Specifications and Conditions – 256MB DD Values are for the MT48LC32M4A2 SDRAM components only and are computed from values specified in the 128Mb (32 Meg x 4) component data sheet Parameter/Condition Operating current: Active ...

Page 10

Register and PLL Specifications Table 13: Register Timing Requirements and Switching Characteristics 162835A device or equivalent JESD82-2 Parameter Maximum clock pulse frequency Propagation delay, single rank (CK to output) Propagation delay, dual rank (CK to output) Pulse duration Setup time ...

Page 11

Serial Presence-Detect Table 15: Serial Presence-Detect EEPROM DC Operating Conditions Parameter/Condition Supply voltage Input high voltage: Logic 1; All inputs Input low voltage: Logic 0; All inputs Output low voltage 3mA OUT Input leakage current GND ...

Page 12

... TYP 115.57 (4.55) TYP Back view U17 U18 U19 U20 U21 U24 42.18 (1.661) TYP 66.68 (2.625) TYP Micron Technology, Inc., reserves the right to change products or specifications without notice. 12 Module Dimensions U8 U9 43.31 (1.705) 43.05 (1.695) 17.78 (0.7) U14 TYP Pin 84 1.27 (0.05) TYP U23 U22 3.25 (0.128) 3.0 (0.118) Pin 85 ©2003 Micron Technology, Inc. All rights reserved 4 ...

Page 13

... U11 U10 1.0 (0.039) R (2X) 1.02 (0.04) 115.57 (4.55) TYP Back view U17 U18 U19 U20 U24 42.18 (1.661) TYP 66.68 (2.625) tive owners. 13 Module Dimensions 30.63 (1.206) 30.33 (1.194) 17.78 (0.7) TYP U14 Pin 84 1.27 (0.05) TYP TYP U21 U22 U23 3.25 (0.128) 3.0 (0.118) TYP Pin 85 Micron Technology, Inc., reserves the right to change products or specifications without notice. ...

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