NVRAM

NVRAM (Non –Volatile Random-Access Memory ) is a memory chip that stores data within an electronic circuit. NVRAM is able to store data even when the power is turned off. This is unlike RAM and DRAM which lose memory when there is no power. 

NVRAM memory is ideal for circuits that require a quick start up time as they are quick at reading and writing. However, they are not always suitable for main memory usage, due to limited memory sizes and power consumption. NVRAM is battery-back which, at some point, will need replacing.

These devices come in a semiconductor package. Package types include SIPP (single inline pin package), DIP (dual inline package), CERDIP (ceramic dual inline package) and PDIP (plastic inline package)

Types of NVRAM:

  • RTC/NVRAM are also known as CMOS chips. They combine NVRAM with a real-time clock (RTC). The clock is there to read the date and time, which is stored by the NVRAM. RTC/NVRAM chips are designed for lower power consumption. 
  • EEPROM stands for electrically erasable programmable read-only memory. It is a type of non-volatile memory which stores data that can be deleted and reprogrammed. 
  • FRAM stands for ferroelectric RAM. It uses a ferroelectric later for non-volatility. 
  • MRAM is magnetoresistive RAM. It stores its data within magnetic domains. 

Where is NVRAM used?

NVRAM memory is used in any device that requires settings to be stored, such as the date and time. This includes:

  • Cameras
  • Computer Monitors
  • Smart Cards
  • Tablets
  • Smartphones
  • USB drives

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Description Price Memory Size Organisation Interface Type Data Bus Width Maximum Random Access Time Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature
RS Stock No. 132-823
Mfr. Part No.DS1230Y-120+
$96.27
Each
units
256kbit 32K x 8 bit Parallel 8bit 120ns Through Hole EDIP 28 39.12 x 18.8 x 9.4mm 39.12mm 18.8mm 9.4mm 5.5 V +70 °C
RS Stock No. 828-9958
Mfr. Part No.M48Z02-150PC1
$12.18
Each
units
16kbit 2k x 8 bit - - 150ns Through Hole PCDIP 24 34.8 x 18.34 x 9.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 310-9655
Mfr. Part No.M48T02-150PC1
$25.92
Each
units
16kbit 2K x 8 bit Parallel - 150ns Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-8012
Mfr. Part No.M48Z02-150PC1
$16.23
Each (In a Tube of 14)
units
16kbit 2K x 8 - - 150ns Through Hole PCDIP 24 34.8 x 18.34 x 9.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-6069
Mfr. Part No.M48T02-150PC1
$19.45
Each (In a Tube of 14)
units
16kbit 2K x 8 bit Parallel - 150ns Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 189-2412
Mfr. Part No.M48T08-100PC1
$35.59
Each
units
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
RS Stock No. 168-6052
Mfr. Part No.M48T08-100PC1
$24.98
Each (In a Tube of 12)
units
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
RS Stock No. 136-667
Mfr. Part No.DS1243Y-120+
$36.65
Each
units
- - 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
RS Stock No. 436-8489
Mfr. Part No.M48T02-70PC1
$23.91
Each
units
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
RS Stock No. 168-6085
Mfr. Part No.M48T02-70PC1
$17.93
Each (In a Tube of 14)
units
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
RS Stock No. 828-9992
Mfr. Part No.M48T18-150PC1
$27.05
Each
units
- - - - - Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-8020
Mfr. Part No.M48T18-150PC1
$24.86
Each (In a Tube of 12)
units
- - - - - Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 189-2428
Mfr. Part No.M48Z08-100PC1
$30.23
Each
units
64kbit 8K x 8 bit Parallel 8bit 100ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 310-9683
Mfr. Part No.M48T35-70PC1
$35.11
Each
units
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
RS Stock No. 103-1455
Mfr. Part No.M48Z12-70PC1
$13.053
Each (In a Tube of 14)
units
16kbit 2K x 8 bit Parallel 8bit 70ns Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-6053
Mfr. Part No.M48Z08-100PC1
$18.26
Each (In a Tube of 12)
units
64kbit 8K x 8 bit Parallel 8bit 100ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-6071
Mfr. Part No.M48T35-70PC1
$32.38
Each (In a Tube of 12)
units
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
RS Stock No. 686-8562
Mfr. Part No.M48Z12-70PC1
$11.58
Each
units
16kbit 2K x 8 bit Parallel 8bit 70ns Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS Stock No. 168-7906
Mfr. Part No.M48Z35-70PC1
$17.91
Each (In a Tube of 12)
units
256kbit 32K x 8 - 8bit 5ns Through Hole PCDIP 28 39.88 x 18.34 x 9.65mm 39.88mm 18.34mm 9.65mm 5.5 V +70 °C
RS Stock No. 811-1114
Mfr. Part No.M48Z35-70PC1
$27.28
Each
units
256kbit 32K x 8 - 8bit 5ns Through Hole PCDIP 28 39.88 x 18.34 x 9.65mm 39.88mm 18.34mm 9.65mm 5.5 V +70 °C
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