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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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. 165-9391
Mfr. Part No.DS1744-70+
TWD901.30
Each (In a Tube of 12)
units
- - - - - - - - - - - - - -
New
RS Stock No. 189-9223
Mfr. Part No.DS1230Y-100+
TWD1,059.00
Each
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
New
RS Stock No. 194-9070
Mfr. Part No.CY14B101Q2A-SXI
TWD328.00
Each
units
1Mbit 128K x 8 bit SPI 8bit - Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.6 V +85 °C
RS Stock No. 417-736
Mfr. Part No.DS1554-70+
TWD878.00
Each
units
- - - - - Through Hole EDIP 32 43.69 x 18.8 x 9.4mm 43.69mm 18.8mm 9.4mm 5.5 V +70 °C
RS Stock No. 168-8612
Mfr. Part No.M48T12-150PC1
TWD479.00
Each (In a Tube of 14)
units
- - - - - Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C
New
RS Stock No. 191-4202
Mfr. Part No.DS1225AD-70IND+
TWD844.90
Each (In a Tube of 12)
units
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 Stock No. 923-7595
Mfr. Part No.DS1230Y-200+
TWD795.50
Each (In a Tube of 12)
units
256kbit 32K x 8 bit - - 200ns Through Hole EDIP 28 39.37 x 18.8 x 9.35mm 39.37mm 18.8mm 9.35mm 5.5 V +85 °C
New
RS Stock No. 194-9072
Mfr. Part No.CY14B104LA-ZS25XI
TWD1,175.00
Each
units
4Mbit 512K x 8 bit Parallel 8bit 45ns Surface Mount TSOP 44 18.51 x 10.26 x 1.04mm 18.51mm 10.26mm 1.04mm 3.6 V +85 °C
New
RS Stock No. 194-9084
Mfr. Part No.CY14B108N-BA25XI
TWD2,537.00
Each
units
8Mbit 512K x 16 bit Parallel 16bit 45ns Surface Mount FBGA 48 10 x 6 x 0.21mm 10mm 6mm 0.21mm 3.6 V +85 °C
New
RS Stock No. 194-9068
Mfr. Part No.CY14B101NA-ZS45XI
TWD896.00
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. 172-2330
Mfr. Part No.GR881-HT
TWD1,139.70
Each (In a Box of 20)
units
64kbit 8K x 8 bit - 8bit 70ns Through Hole PDIP 28 37 x 18 x 7.3mm 37mm 18mm 7.3mm 5.5 V +85 °C
New
RS Stock No. 194-9081
Mfr. Part No.CY14B104NA-ZSP45XI
TWD708.90
Each (In a Tray of 108)
units
4Mbit 256K x 16 bit Parallel 16bit 45ns Surface Mount TSOP 54 22.51 x 10.26 x 1.05mm 22.51mm 10.26mm 1.05mm 3.6 V +85 °C
RS Stock No. 132-817
Mfr. Part No.DS1230AB-120+
TWD799.00
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. 137-367
Mfr. Part No.DS1992L-F5+
TWD338.00
Each
units
1kbit 4 Pages x 256 bit 1-Wire - - - F5 MicroCan 2 17.35 x 17.35 x 5.89mm 17.35mm 17.35mm 5.89mm - +70 °C
New
RS Stock No. 194-9090
Mfr. Part No.CY14B256KA-SP45XI
TWD753.00
Each
units
256kbit 32K 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. 182-0110
Mfr. Part No.CY14B101LA-SZ25XI
TWD906.50
Each (In a Tube of 22)
units
1Mbit 128K x 8 bit - 8bit 25ns Surface Mount SOIC 32 20.87 x 7.59 x 2.29mm 20.87mm 7.59mm 2.29mm 3.6 V +85 °C
New
RS Stock No. 194-9082
Mfr. Part No.CY14B104NA-ZSP45XI
TWD926.00
Each
units
4Mbit 256K x 16 bit Parallel 16bit 45ns Surface Mount TSOP 54 22.51 x 10.26 x 1.05mm 22.51mm 10.26mm 1.05mm 3.6 V +85 °C
New
RS Stock No. 194-9057
Mfr. Part No.CY14B101KA-SP25XI
TWD779.20
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. 797-9376
Mfr. Part No.DS1225AD-150IND+
TWD566.00
Each
units
64kbit 8K x 8 bit - - 70ns Through Hole EDIP 28 39.37 x 18.29 x 10.67mm 39.37mm 18.29mm 10.67mm 5.5 V +85 °C
New
RS Stock No. 194-9055
Mfr. Part No.CY14B101J2-SXI
TWD291.60
Each (In a Tube of 97)
units
1Mbit 128K x 8 bit - 8bit 25ns Surface Mount SOIC 8 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm 3.6 V +85 °C