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Micron® FAQs

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Bare Die (More)

How do I get a bare die data sheet?

How does Micron ship bare die product?

What wafer thickness options does Micron offer?

Does Micron offer product in whole wafer form and singulated die?

General Product Information (More)

What is meant by "In Development," "Advanced," "Sampling," "Production," "Not Recommended," "End of Life," or "Obsolete," part status?

Is VREF required during self refresh? I would like to put DDR memory in self refresh mode and turn off power to the CPU (the system is battery-operated). Can I disable VREF and still have correct self refresh operation?

Should the ECC memory chip share chip select and CKE signals with the other two main memory chips in our point-to-point application?

Where do I get a RoHS Certificate of Compliance?

My design was based on a specification stating the JTAG was relative to VDD (1.8V), but now we’ve discovered that JTAG is actually relative to VDDQ (1.5V). It’s a fairly significant board spin to change this; what do I risk by leaving the design as-is? I assume that the specification is still for VDDQ + 0.3V = 1.8V, but with CMOS parts there’s no way I can guarantee that it won’t swing past that on transitions.

buymicron.com (More)

Who do I contact if I have questions about my buymicron.com order?

When I look in the Buy Samples column of a part list, I see three options. What do these options mean?

How do I order parts that are in stock?

How do I find my shopping cart?

What is the difference between Buy Samples and Add to Cart?

DDR SDRAM (More)

Does Micron provide VHDL models for DDR parts?

Will the device run at a slow clock (well under the slowest data sheet speed)?

What is the difference between Buy Samples and Add to Cart?

How much power does the Vref power pin draw?

When I look in the Buy Samples column of a part list, I see three options. What do these options mean?

DDR2 SDRAM (More)

How much power does the Vref power pin draw?

Will the device run at a slow clock (well under the slowest data sheet speed)?

Do I need a separate voltage regulator to supply Vref power?

Can you explain how on-die termination (ODT) affects power consumption?

Should DDR2 SDRAM always have ODT turned on?

DDR3 SDRAM (More)

What clock speeds will DDR3 support?

What is “ZQ Calibration”?

Can I run Micron’s DDR3 memory at clock speeds slower than 300 MHz?

What is meant by "In Development," "Advanced," "Sampling," "Production," "Not Recommended," "End of Life," or "Obsolete," part status?

What is "write leveling"?

RLDRAM II (More)

What is meant by "In Development," "Advanced," "Sampling," "Production," "Not Recommended," "End of Life," or "Obsolete," part status?

Are CK/CK# and DK/DK# true differential inputs?

Does the RLDRAM internally compensate for voltage and temperature changes when bit A8 is not selected HIGH on the RLDRAM II during setting of the mode register?

Can RLDRAM II run slower than 175 MHz?

How is RLDRAM II memory similar to SRAM?

SDRAM (More)

What is meant by "In Development," "Advanced," "Sampling," "Production," "Not Recommended," "End of Life," or "Obsolete," part status?

Can the SDRAM clock frequency be changed?

Is there a recommended lowest working frequency for SDRAM?

Can CKE be tied HIGH throughout SDRAM operation (initialization and normal operation)?

Mobile DRAM (More)

What makes Micron's Mobile DRAM unique?

What is the mainstream Mobile DRAM density used today and what is the trend moving forward?

What is the life expectancy of Micron's Mobile DRAM products?

Does Micron's Mobile DRAM cost more than standard DRAM?

What is Mobile DRAM?

NAND Flash (More)

What is ONFI?

Can I download NAND software for this Micron NAND device?

Will High Speed NAND require new types of controllers?

Is High Speed NAND a proprietary or patented technology?

How is High Speed NAND different from traditional NAND?

Simulation Model Support (More)

Are Verilog models available for Micron modules?

Where can I find simulation models for NAND Flash devices?

Why are IBIS models for DRAM components regularly posted to micron.com but not IBIS models for modules?

Does Micron provide VHDL models for modules?

Does Micron provide VHDL models for DDR parts?

Serial Presence Detect (More)

How are SPD values determined?

What are the JEDEC SPD specifications?

What is the SPD data used for?

What is the SPD table for?

Can I verify that the hexadecimal SPD values are correct?

Micron.com (More)

How do I use the part tables (catalogs) on the Web site?

How do I access secure sites and documents?

I have a secure access account, but cannot access the sites or documents. What do I do now?

I can't display the part catalogs. What do I do now?

How do I create a Micron profile?

How to Buy (More)

How can design engineers and purchasing agents buy purchase Micron products?

How to I buy Micron memory products for my computer, server, laptop, or other consumer electronics device?