MR25H10
1Mb Serial SPI MRAM
FEATURES
• No write delays
• Unlimited write endurance
• Data retention greater than 20 years
• Automatic data protection on power loss
• Block write protection
• Fast, simple SPI interface with up to 40 MHz clock rate
• 2.7 to 3.6 Volt power supply range
• Low current sleep mode
DFN
• Industrial temperatures
• Available in 8-pin DFN or 8-pin DFN Small Flag RoHS-compliant
packages
• Direct replacement for serial EEPROM, Flash, FeRAM
• AEC-Q100 Grade 1 Option
Small Flag DFN
INTRODUCTION
The MR25H10 is a 1,048,576-bit magnetoresistive random access memory
(MRAM) device organized as 131,072 words of 8 bits. The MR25H10 offers serial
EEPROM and serial Flash compatible read/write timing with no write delays and
unlimited read/write endurance.
RoHS
Unlike other serial memories, both reads and writes can occur randomly in memory with no delay between
writes. The MR25H10 is the ideal memory solution for applications that must store and retrieve data and
programs quickly using a small number of I/O pins.
The MR25H10 is available in either a 5 mm x 6 mm 8-pin DFN package or a 5 mm x 6 mm 8-pin DFN Small
Flag package. Both are compatible with serial EEPROM, Flash, and FeRAM products.
The MR25H10 provides highly reliable data storage over a wide range of temperatures. The product is
offered with Industrial (-40° to +85 °C) and AEC-Q100 Grade 1 (-40°C to +125 °C) operating temperature
range options.
CONTENTS
1. DEVICE PIN ASSIGNMENT......................................................................... 2
2. SPI COMMUNICATIONS PROTOCOL...................................................... 4
3. ELECTRICAL SPECIFICATIONS................................................................. 10
4. TIMING SPECIFICATIONS.......................................................................... 12
5. ORDERING INFORMATION....................................................................... 12
6. MECHANICAL DRAWING.......................................................................... 13
7. REVISION HISTORY...................................................................................... 15
How to Reach Us.......................................................................................... 15
MR25H10 Rev. 9.5 3/2018
Copyright © Everspin Technologies 2018
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