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庫存編號 200-6583
製造零件編號GR3281-HT
HK$735.58
單位
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
RS庫存編號 168-8020
製造零件編號M48T18-150PC1
HK$241.027
毎管:12 個
單位
- - - - - Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 828-9992
製造零件編號M48T18-150PC1
HK$261.22
單位
- - - - - Through Hole PCDIP 28 39.88 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 172-2331
製造零件編號GR3281-HT
HK$659.715
個 (以毎盒:20)
單位
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
RS庫存編號 829-4073
製造零件編號M48T12-150PC1
HK$216.68
單位
- - - - - Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 310-9661
製造零件編號M48T08-150PC1
HK$277.76
單位
- 8K x 8 bit Parallel - 150ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 168-6070
製造零件編號M48T08-150PC1
HK$260.503
毎管:12 個
單位
- 8K x 8 bit Parallel - 150ns Through Hole PCDIP 28 39.98 x 18.34 x 8.89mm 39.88mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 189-2412
製造零件編號M48T08-100PC1
HK$220.98
單位
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庫存編號 168-6085
製造零件編號M48T02-70PC1
HK$208.622
毎管:14 個
單位
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庫存編號 436-8489
製造零件編號M48T02-70PC1
HK$222.44
單位
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庫存編號 189-2428
製造零件編號M48Z08-100PC1
HK$202.66
單位
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庫存編號 168-8612
製造零件編號M48T12-150PC1
HK$199.821
毎管:14 個
單位
- - - - - Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
RS庫存編號 168-6053
製造零件編號M48Z08-100PC1
HK$181.755
毎管:12 個
單位
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庫存編號 168-6052
製造零件編號M48T08-100PC1
HK$207.25
毎管:12 個
單位
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庫存編號 798-7569
製造零件編號DS1314S+
HK$112.58
單位
- - - - 20ns Surface Mount SOIC 16 10.5 x 7.6 x 2.35mm 10.5mm 7.6mm 2.35mm 3.6 V +85 °C
RS庫存編號 191-4202
製造零件編號DS1225AD-70IND+
HK$205.904
毎管:12 個
單位
64kbit 8K x 8 - - 70ns Through Hole EDIP 28 39.37 x 18.29 x 10.67mm 39.37mm 18.29mm 10.67mm 5.5 V +85 °C
RS庫存編號 103-1581
製造零件編號M48Z18-100PC1
HK$165.188
毎管:12 個
單位
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庫存編號 192-1244
製造零件編號DS1744-70+
HK$331.642
毎管:12 個
單位
- - - - - Through Hole EDIP 28 39.37 x 18.8 x 10.67mm 39.37mm 18.8mm 10.67mm 0.8 V, 5.3 V +70 °C
RS庫存編號 181-8264
製造零件編號CY14B101Q2-LHXI
HK$107.621
Each (In a Tray of 308)
單位
1Mbit 128K x 8 bit Serial-SPI - - Surface Mount DFN 8 6 x 5 x 0.73mm 6mm 5mm 0.73mm 3.6 V +85 °C
RS庫存編號 194-9080
製造零件編號CY14B104NA-ZS45XI
HK$381.07
單位
4Mbit 256K 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