NVRAM

NVRAM (Non –Volatile Random Access Memory ) is a memory chip that is able to store data even when the power is turned off, unlike RAM and DRAM, which when the power is turned off all the memory is lost.

There are different variations of package such as SIPP (single inline pin package) these have one row of pins, DIP (dual inline package) these have 2 rows of pins. CERDIP (ceramic dual inline package) PDIP (plastic inline package)

Types of NVRAM Memory chips

SRAM ( Static ram) This chip can be volatile and non-volatile. It is made non-volatile when its connected to a battery, it takes power from the CMOS (complementary metal oxide semiconductor) battery on the motherboard. which protects the memory from losing its data when the power is turned off

Flash Memory consists of cells that hold a charge without any power which makes it very durable. Flash memory is found in many electronic devices such as cameras, tablets, smartphones, USB drives, and music players

EEPROM ( electrically erasable programmable read only memory) rewritable memory chip where individual bytes of data can be erased and then rewritten

Applications:

Cameras
smart cards
computers
Tablets
Smartphones
USB drives

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제조사 부품 번호GR3281-HT
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256kbit 32K x 8 bit - 8bit 70ns Through Hole PDIP 28 37 x 18 x 7.3mm 37mm 18mm 7.3mm 5.5 V +85 °C
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64kbit 8K x 8 bit Parallel - 100ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
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16kbit 2K x 8 bit Parallel - - Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
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64kbit 8K x 8 bit Parallel - 100ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
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16kbit 2K x 8 bit Parallel - - Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
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제조사Maxim Integrated
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- - Parallel - 120ns Through Hole EDIP 28 39.37 x 18.29 x 10.67mm 39.37mm 18.29mm 10.67mm 5.5 V +70 °C
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제조사 부품 번호M48T35-70PC1
₩33,278.50
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32kbit - Parallel - 70ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
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제조사 부품 번호GR12883
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1Mbit 128K x 8 bit Parallel 8bit 100ns Through Hole PDIP 32 43.5 x 18 x 13mm 43.5mm 18mm 13mm 5.5 V +70 °C