MR4A16B NVRAM Series

The MR4A16B series from Everspin Technologies is a lineup of 16Mbit Magnetoresistive RAM (MRAM) devices designed for non-volatile memory applications. These chips operate at 3.3V and have access times of around 35 nanoseconds, making them suitable for high-speed, low-power environments. The MR4A16B series comes in both 48-pin Fine Pitch Ball Grid Array (FBGA) and 54-TSOP (Thin Small Outline Package) form factors, offering flexibility in board design.

Engineers often reach for these devices in applications requiring fast read/write cycles and non-volatile storage, such as automotive ECUs, industrial control systems, and medical equipment. The MRAM technology ensures that data is retained even without power, which is critical in scenarios where reliability and data integrity are paramount.

One practical observation is that the MR4A16B series is particularly useful in systems that require frequent writes and need to maintain data integrity across power cycles. For instance, in automotive applications, these chips can be used to store calibration data, vehicle identification numbers, and other critical information that must be preserved through restarts and reboots. Another advantage is their ability to operate over a wide temperature range, making them ideal for harsh environments.

If you're working on projects that demand non-volatile, fast-access memory with low power consumption, the MR4A16B series is definitely worth considering. It provides a robust solution for maintaining system state and critical data in various demanding industrial and automotive applications.

Mfr Part #	Quantity Available	Price	Category	Memory Size	Memory Type	Voltage - Supply	Packaging	Package / Case	Supplier Device Package	Memory Format	Operating Temperature	Standard Package	Speed	Interface	Access Time	Series	RoHS	Current - Supply	Current - Average Rectified (Io)	Mounting Style	Number of Cores/Bus Width	Manufacturer	Mounting Type	Standard Package Name	EU RoHS	Voltage Rating	Current Rating (Max)	Voltage - Supply (Min)	Common Mode Transient Immunity (Min)	Width	Lead Style	Length - Overall	Package Quantity	Number of Positions	Shell Size - Insert	Type	Density	Printed Circuit Board	Other Names	Frequency	Connector Usage	Rad Hardened	Current - Output	Package Cooled	Mfr	Technology	Part Status	Memory Interface	Base Product Number	Memory Organization	DigiKey Programmable	Write Cycle Time - Word, Page
MR4A16BMYS35R NVRAM IC MRAM 16MBIT 35NS 54TSOP Everspin Technologies	10	2000: ¥203.9728	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tape & Reel (TR)	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	-40°C ~ 125°C	1,000	35ns	Parallel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR4A16BMYS35 NVRAM IC MRAM 16MBIT 35NS 54TSOP Everspin Technologies	10	216: ¥244.698	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tray	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	-40°C ~ 125°C	108	35ns	Parallel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR4A16BMA35R NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM IC MRAM 16MBIT 35NS 48FBGA NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	10	1924: ¥164.016	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tape & Reel (TR)	48-LFBGA	48-FBGA (10x10)	RAM	0°C ~ 70°C	1,500	35ns	Parallel	35 ns	MR4A16B	RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1 M x 16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 MR4A16BCMA35 NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 48-Pin FBGA Tray IC MRAM 16MBIT 35NS 48FBGA NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	353	1: ¥268.26	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tray	48-LFBGA	48-FBGA (8x8)	RAM	-40°C ~ 85°C	240	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	BGA	Compliant	3	180	3.6	Industrial	10	Ball	10	FBGA	48	1	MRAM	16M	48	819-1016	35ns	Parallel	-	-	-	-	-	-	-	-	-	-	-
2 MR4A16BCYS35 NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 54-Pin TSOP Tray IC MRAM 16MBIT 35NS 54TSOP NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	520	1: ¥244.256	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tray	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	-40°C ~ 85°C	108	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	TSOP	Compliant	3	180	3 V	Industrial	10.16	Gull-wing	22.22	TSOP	54	1	MRAM	16777216 Bit	54	819-1017	-	-	No	180 mA	TSOP	-	-	-	-	-	-	-	-
2 MR4A16BMA35 NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 48-Pin FBGA Tray IC MRAM 16MBIT 35NS 48FBGA NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	455	1: ¥252.212	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 36 V	Tray	48-LFBGA	48-FBGA (10x10)	RAM	0°C ~ 70°C	240	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	BGA	Compliant	3	180	3.6	Commercial	10	Ball	10	FBGA	48	1	MRAM	16M	48	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 MR4A16BYS35 NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 54-Pin TSOP Tray IC MRAM 16MBIT 35NS 54TSOP NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	10	10: ¥265.336	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 36 V	Tray	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	0°C ~ 70°C	108	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	TSOP	Compliant	3	180	3.6	Commercial	10.16	Gull-wing	22.22	TSOP	54	1	MRAM	16M	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR4A16BCMA35R NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM IC MRAM 16MBIT 35NS 48FBGA NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	10	1924: ¥176.12	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tape & Reel (TR)	48-LFBGA	48-FBGA (10x10)	RAM	-40°C ~ 85°C	1,500	35ns	Parallel	35 ns	MR4A16B	RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1 M x 16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 MR4A16BCYS35R NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 54-Pin TSOP T/R IC MRAM 16MBIT 35NS 54TSOP NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	1000	1000: ¥175.2054	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tape and Reel	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	-40°C ~ 85°C	1,000	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	TSOP	Compliant	3	180	3.6	Industrial	10.16	Gull-wing	22.22	TSOP	54	1	MRAM	16M	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 MR4A16BYS35R NVRAM 16MB 3.3V 35ns 1Mx16 Parallel MRAM NVRAM MRAM Parallel 16M-Bit 3.3V 54-Pin TSOP T/R IC MRAM 16MBIT 35NS 54TSOP NVRAM 16Mb 3.3V 35ns 1Mx16 Parallel MRAM Everspin Technologies	10	1000: ¥262.276	-	16M (1M x 16)	MRAM (Magnetoresistive RAM)	3 V ~ 3.6 V	Tape and Reel	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	0°C ~ 70°C	1,000	35ns	Parallel	35 ns	MR4A16B	Lead free / RoHS Compliant	110 mA	110 mA	SMD/SMT	16 bit	1Mx16	Surface Mount	TSOP	Compliant	3	180	3.6	Commercial	10.16	Gull-wing	22.22	TSOP	54	1	MRAM	16M	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR4A16BUYS45 MR4A16BUYS45 系列 16 Mb (x16) 汽车温度范围 MRAM EVERSPIN TECHNOLOGIES	0		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MR4A16BUYS45R . MR4A16BUYS45R - MRAM (Magnetoresistive RAM) Memory IC 16Mbit Parallel 45 ns 54-TSOP2 from Everspin Technologies Inc.. from now! Everspin Technologies, Inc.	10	1000: ¥394.1661	-	16Mbit	Non-Volatile	3V ~ 3.6V	Tape & Reel (TR)	54-TSOP (0.400", 10.16mm Width)	54-TSOP2	RAM	-40°C ~ 125°C (TA)	-	-	-	45 ns	-	-	-	-	-	-	-	Surface Mount	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Everspin Technologies Inc.	MRAM (Magnetoresistive RAM)	Active	Parallel	MR4A16	1M x 16	Not Verified	45ns

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Frequently Asked Questions

MR4A16B NVRAM - Part List

Standard Package

Operating Temperature

Voltage - Supply

Packaging

Supplier Device Package

Memory Size

Memory Type

Package / Case

RoHS

Access Time

Manufacturer

Other Names

Standard Package Name

Voltage - Supply (Min)

Common Mode Transient Immunity (Min)

Width

Lead Style

Length - Overall

Package Quantity

Number of Positions

Density

Printed Circuit Board