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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Produkta apraksts Brand Memory Size Functions Organisation Date Format Interface Type User RAM Maximum Random Access Time Mounting Type Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Number of Words Minimum Operating Supply Voltage Minimum Operating Temperature
Cypress Semiconductor CY14B101Q2-LHXI NVRAM Memory, 1Mbit, 2.7 → 3.6 V 8-Pin DFN Cypress Semiconductor 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 128K 2.7 V -40 °C
Cypress Semiconductor CY14B101LA-SZ25XI NVRAM Memory, 1Mbit, 25ns, 2.7 to 3.6 V 32-Pin SOIC Cypress Semiconductor 1Mbit - 128K x 8 bit - - - 25ns Surface Mount SOIC 32 20.87 x 7.59 x 2.29mm 20.87mm 7.59mm 2.29mm 3.6 V +85 °C 128K 2.7 V -40 °C
Cypress Semiconductor CY14B101LA-SZ25XI NVRAM Memory, 1Mbit, 25ns, 2.7 to 3.6 V 32-Pin SOIC Cypress Semiconductor 1Mbit - 128K x 8 bit - - - 25ns Surface Mount SOIC 32 20.87 x 7.59 x 2.29mm 20.87mm 7.59mm 2.29mm 3.6 V +85 °C 128K 2.7 V -40 °C
Cypress Semiconductor CY14B101Q2-LHXI NVRAM Memory, 1Mbit, 2.7 → 3.6 V 8-Pin DFN Cypress Semiconductor 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 128K 2.7 V -40 °C
Maxim DS1993L-F5+ NVRAM 2-Pin F5 MicroCan
  • RS noliktavas numurs 137-496
  • Zīmols Maxim
  • Ražotāja numurs DS1993L-F5+
Maxim - - - - - - - - F5 MicroCan 2 17.35 x 17.35 x 5.89mm 17.35mm 17.35mm 5.89mm - +70 °C - - -40 °C
STMicroelectronics M48T02-150PC1 NVRAM, 16kbit, 150ns, 5V 24-Pin PCDIP STMicroelectronics 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 - 4.75 V 0 °C
STMicroelectronics M48T08-150PC1 NVRAM, 150ns, 5V 28-Pin PCDIP STMicroelectronics - - 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 - 4.75 V 0 °C
STMicroelectronics M48T02-70PC1 NVRAM, 16kbit, 5V 24-Pin PCDIP STMicroelectronics 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 - 4.75 V 0 °C
Cypress Semiconductor CY14E256LA-SZ45XI NVRAM, 256kbit, 45ns, 5V 32-Pin SOIC Cypress Semiconductor 256kbit - 32K x 8 bit - Parallel - 45ns Surface Mount SOIC 32 20.87 x 7.59 x 2.28mm 20.87mm 7.59mm 2.28mm 5.5 V +85 °C 32K 4.5 V -40 °C
Maxim DS1230AB-100+ NVRAM, 256kbit, 100ns, 5V 28-Pin EDIP
  • RS noliktavas numurs 134-469
  • Zīmols Maxim
  • Ražotāja numurs DS1230AB-100+
Maxim 256kbit - 32K x 8 bit - Parallel - 100ns Through Hole EDIP 28 39.12 x 18.8 x 9.4mm 39.12mm 18.8mm 9.4mm 5.25 V +70 °C - 4.75 V 0 °C
STMicroelectronics M48Z35Y-70PC1 NVRAM, 256kbit, 70ns, 5V 28-Pin PCDIP STMicroelectronics 256kbit - 32K x 8 bit - 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 - 4.5 V 0 °C
STMicroelectronics M48Z35Y-70PC1 NVRAM, 256kbit, 70ns 28-Pin PCDIP STMicroelectronics 256kbit - 32K x 8 bit - 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 - 4.5 V 0 °C
STMicroelectronics M48T08-100PC1 NVRAM, 64kbit, 100ns, 5V 28-Pin PCDIP STMicroelectronics 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 - 4.75 V 0 °C
STMicroelectronics M48Z08-100PC1 NVRAM, 64kbit, 100ns, 5V 28-Pin PCDIP STMicroelectronics 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 - 4.75 V 0 °C
Maxim DS1992L-F5+ NVRAM, 1kbit 2-Pin F5 MicroCan
  • RS noliktavas numurs 137-367
  • Zīmols Maxim
  • Ražotāja numurs DS1992L-F5+
Maxim 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 - - -40 °C
STMicroelectronics M48Z18-100PC1 NVRAM, 64kbit, 100ns, 5V 28-Pin PCDIP STMicroelectronics 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 - 4.5 V 0 °C
Maxim DS1220AD-100+ NVRAM, 16kbit, 100ns, 5V 24-Pin EDIP
  • RS noliktavas numurs 132-637
  • Zīmols Maxim
  • Ražotāja numurs DS1220AD-100+
Maxim 16kbit - 2K x 8 bit - Parallel - 100ns Through Hole EDIP 24 34.04 x 18.29 x 9.4mm 34.04mm 18.29mm 9.4mm 5.5 V +70 °C - 4.5 V 0 °C
STMicroelectronics SRAM, M48Z02-150PC1- 16kbit STMicroelectronics 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 2K 4.75 V 0 °C
STMicroelectronics M48Z12-70PC1 NVRAM, 16kbit, 70ns, 5V 24-Pin PCDIP STMicroelectronics 16kbit - 2K x 8 bit - Parallel - 70ns Through Hole PCDIP 24 34.8 x 18.34 x 8.89mm 34.8mm 18.34mm 8.89mm 5.5 V +70 °C - 4.5 V 0 °C
Maxim DS1744-70+, Real Time Clock (RTC), 32 x 8B RAM Parallel, 28-Pin EDIP
  • RS noliktavas numurs 797-9574
  • Zīmols Maxim
  • Ražotāja numurs DS1744-70+
Maxim - Calendar - YY:MM:DD - 32 x 8B - 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 - -0.3 V, 2.2 V 0 °C
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