NVRAM

NVRAM (also known as Non-Volatile Random Access Memory) is a memory chip that stores data within an electronic circuit without applied power, meaning NVRAM is able to store data even when the power is turned off. This is unlike normal random access memory (RAM) and dynamic random access memory (DRAM), both of 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, which is why NVRAM is commonly found in devices such as laptops and mobile phones. However, they are not always suitable for main memory usage due to their limited memory sizes and power consumption, as NVRAM is battery powered and this, 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), among others.

RS Components offer a range of NVRAM components from Cypress Semiconductor, Maxim Integrated, and more trusted brands from across the industry.

Types of NVRAM

  • RTC/NVRAM are also known as CMOS chips (complimentary metal-oxide-semiconductor chips). These 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 is similar in construction to DRAM, although its main difference is that it contains a thin later of zirconate titanate (PZT). The atoms in the PZT change polarity in an electric field, producing a binary switch. This allows the FRAM to retain its data memory, even when power is switched off, and also results in other benefits, such as extremely high endurance and ultra-low power consumption.

Where is NVRAM used?

NVRAM memory is used in any device that requires settings to be stored, such as the date and time, but can also be used by computer manufacturers to store details about the state of a computer. This allows the information to be retained between being switched off and being switched on again, resulting in faster boot times. Other typical applications for NVRAM include digital cameras, computers and computer monitors, smart cards, tablets, smartphones, and 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. 168-6053
Mfr. Part No.M48Z08-100PC1
kr 182,259
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. 189-2428
Mfr. Part No.M48Z08-100PC1
kr 193,84
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. 310-9734
Mfr. Part No.M48Z35Y-70PC1
kr 188,84
Each
Units
256kbit 32K x 8 bit Parallel 8bit 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. 168-6072
Mfr. Part No.M48Z35Y-70PC1
kr 175,084
Each (In a Tube of 12)
Units
256kbit 32K x 8 bit Parallel 8bit 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. 168-6052
Mfr. Part No.M48T08-100PC1
kr 200,84
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. 436-8489
Mfr. Part No.M48T02-70PC1
kr 195,25
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. 828-9958
Mfr. Part No.M48Z02-150PC1
kr 106,43
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. 168-8012
Mfr. Part No.M48Z02-150PC1
kr 98,627
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. 168-6085
Mfr. Part No.M48T02-70PC1
kr 179,464
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. 624-8488
Mfr. Part No.M48Z02-70PC1
kr 106,43
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. 103-1428
Mfr. Part No.M48Z02-70PC1
kr 98,627
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. 189-2412
Mfr. Part No.M48T08-100PC1
kr 217,86
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. 189-9244
Mfr. Part No.DS1230Y-120+
kr 268,74
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. 189-9266
Mfr. Part No.DS1230Y-150+
kr 261,57
Each
Units
256kbit 32K x 8 bit - - 150ns Through Hole EDIP 28 39.37 x 18.8 x 9.35mm 39.37mm 18.8mm 9.35mm 5.5 V +85 °C
RS Stock No. 194-9057
Mfr. Part No.CY14B101KA-SP25XI
kr 259,109
Each (In a Tube of 30)
Units
1Mbit 128K x 8 bit Parallel 8bit 45ns Surface Mount SSOP 48 0.63 x 0.29 x 0.09in 16mm 7.37mm 2.29mm 3.6 V +85 °C
RS Stock No. 132-817
Mfr. Part No.DS1230AB-120+
kr 257,33
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 5.25 V +70 °C
RS Stock No. 194-9068
Mfr. Part No.CY14B101NA-ZS45XI
kr 299,07
Each
Units
1Mbit 64K x 16 bit Parallel 16bit 45ns Surface Mount TSOP 44 18.51 x 10.26 x 1.04mm 18.51mm 10.26mm 1.04mm 3.6 V +85 °C
RS Stock No. 189-9200
Mfr. Part No.DS1225AD-150+
kr 187,21
Each
Units
64kbit 8K x 8 bit Parallel 8bit 150ns Through Hole EDIP 28 39.12 x 18.29 x 9.4mm 39.12mm 18.29mm 9.4mm 5.5 V +70 °C
RS Stock No. 189-7460
Mfr. Part No.DS1230Y-100+
kr 236,154
Each (In a Tube of 12)
Units
256kbit 32K x 8 bit - - 100ns Through Hole EDIP 28 39.37 x 18.8 x 9.35mm 39.37mm 18.8mm 9.35mm 5.5 V +85 °C
RS Stock No. 168-6071
Mfr. Part No.M48T35-70PC1
kr 273,044
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