Datasheet > MR25H128AMDF

MR25H128AMDF

更新时间： 2024-01-04 13:54:39

品牌	Logo	应用领域
EVERSPIN		/
页数	文件大小	规格书
20页	1544K
描述
128Kb Serial SPI MRAM

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数据手册

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MR25H128AMDF 数据手册

MR25H128A

128Kb 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

Small Flag DFN

• Industrial and Automotive temperatures

• Available in 8-pin DFN Small Flag RoHS-compliant package.

• Direct replacement for serial EEPROM, Flash, FeRAM

• Industrial Grade and AEC-Q100 Grade 1 and Grade 3 options

• Moisture Sensitivity MSL-3

INTRODUCTION

The MR25H128A is a 128Kbit magnetoresistive random access memory (MRAM) device orga-

nized as 16,384 words of 8 bits. The MR25H128A 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 memo-

ry with no delay between writes. The MR25H128A 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 MR25H128A is available in a 5 mm x 6 mm 8-pin DFN Small Flag package compatible with serial EE-

PROM, Flash, and FeRAM products.

The MR25H128A 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) and AEC-Q100 Grade 3

(-40° to +85 °C) operating temperature range options.

CONTENTS

1. DEVICE PIN ASSIGNMENT......................................................................... 3

2. SPI COMMUNICATIONS PROTOCOL...................................................... 4

3. ELECTRICAL SPECIFICATIONS................................................................. 10

4. TIMING SPECIFICATIONS.......................................................................... 14

5. ORDERING INFORMATION....................................................................... 17

6. MECHANICAL DRAWING.......................................................................... 18

7. REVISION HISTORY...................................................................................... 19

How to Reach Us.......................................................................................... 20

MR25H128A Rev. 1.2 3/2018

12 3 4 5 6 7...20

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