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. 165-9558
Mfr. Part No.DS1225AD-85+
TWD576.60
Each (In a Tube of 12)
units
- - - - - - - - - - - - - -
RS Stock No. 786-0736
Mfr. Part No.DS1244Y-70+
TWD952.00
Each
units
256kbit 32K x 8 bit - - 70ns Through Hole EDIP 28 39.37 x 18.8 x 9.35mm 39.37mm 18.8mm 9.35mm 5 V +70 °C
RS Stock No. 146-1110
Mfr. Part No.DS1245Y-70+
TWD1,110.80
Each (In a Tube of 11)
units
1Mbit 128K x 8 bit Parallel 8bit 70ns Through Hole EDIP 32 44.19 x 18.8 x 10.92mm 44.19mm 18.8mm 10.92mm 5.5 V +70 °C
RS Stock No. 132-839
Mfr. Part No.DS1245Y-70+
TWD1,182.00
Each
units
1Mbit 128K x 8 bit Parallel 8bit 70ns Through Hole EDIP 32 44.19 x 18.8 x 10.92mm 44.19mm 18.8mm 10.92mm 5.5 V +70 °C
RS Stock No. 146-1107
Mfr. Part No.DS1230Y-70+
TWD761.50
Each (In a Tube of 12)
units
256kbit 32K x 8 bit Parallel 8bit 70ns 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. 811-1114
Mfr. Part No.M48Z35-70PC1
TWD467.00
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
RS Stock No. 310-9734
Mfr. Part No.M48Z35Y-70PC1
TWD467.00
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. 828-9992
Mfr. Part No.M48T18-150PC1
TWD619.00
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. 103-1581
Mfr. Part No.M48Z18-100PC1
TWD474.60
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. 168-6072
Mfr. Part No.M48Z35Y-70PC1
TWD469.20
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. 168-7906
Mfr. Part No.M48Z35-70PC1
TWD457.90
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. 132-801
Mfr. Part No.DS1230Y-70+
TWD818.00
Each
units
256kbit 32K x 8 bit Parallel 8bit 70ns 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. 168-8020
Mfr. Part No.M48T18-150PC1
TWD588.60
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. 714-7572
Mfr. Part No.M48Z18-100PC1
TWD513.00
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. 686-8562
Mfr. Part No.M48Z12-70PC1
TWD263.00
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
New
RS Stock No. 194-9094
Mfr. Part No.CY14V101Q3-SFXI
TWD392.00
Each
units
1Mbit 128K x 8 bit SPI 8bit 25ns Surface Mount SOIC 16 10.49 x 7.59 x 2.36mm 10.49mm 7.59mm 2.36mm 3.6 V +85 °C
New
RS Stock No. 194-9083
Mfr. Part No.CY14B108N-BA25XI
TWD1,939.10
Each (In a Tray of 299)
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
RS Stock No. 172-2333
Mfr. Part No.GR12883
TWD2,650.00
Each (In a Box of 20)
units
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
RS Stock No. 146-1106
Mfr. Part No.DS1230AB-70+
TWD709.80
Each (In a Tube of 12)
units
256kbit 32K x 8 bit Parallel 8bit 70ns Through Hole EDIP 28 39.12 x 18.8 x 9.4mm 39.12mm 18.8mm 9.4mm 5.25 V +70 °C
New
RS Stock No. 189-9266
Mfr. Part No.DS1230Y-150+
TWD1,085.00
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