MR0A16ACMA35 datasheet, PDF - EEWORLD Datasheet

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MR0A16ACMA35: DescriptionUSB Interface IC USB to UART bridge QFN28; Categorystorage; File Size1MB，22 Pages; ManufacturerEverspin

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MR0A16ACMA35 Overview

USB Interface IC USB to UART bridge QFN28

MR0A16ACMA35 Parametric

Parameter Name	Attribute value
Product Category	NVRAM
Manufacturer	Everspin
RoHS	Details
Package / Case	BGA-48
Interface Type	Parallel
Memory Size	1 Mbit
Organization	64 k x 16
Data Bus Width	16 bit
Access Time	35 ns
Supply Voltage - Max	3.6 V
Supply Voltage - Min	3 V
Operating Supply Current	105 mA
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Packaging	Tray
Moisture Sensitive	Yes
Mounting Style	SMD/SMT
Factory Pack Quantity	348

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MR0A16A

FEATURES

•

3.3 Volt power supply

Fast 35ns read/write cycle

SRAM compatible timing

Unlimited read & write endurance

Commercial, Industrial, and Extended Temperatures

Data non-volatile for >20 years at temperature

RoHS-compliant TSOP2 and BGA packages available

All products meet MSL-3 moisture sensitivity level

Automotive AEC-Q100 Grade 1 option available

64K x 16 MRAM Memory

44-pin TSOP2

BENEFITS

• One memory replaces FLASH, SRAM, EEPROM and BBSRAM

in system for simpler, more efficient designs

• Improves reliability by replacing battery-backed SRAM

• Automatic data protection on power loss

48-ball BGA

RoHS

INTRODUCTION

The MR0A16A is a 1,048,576-bit magnetoresistive random access memory (MRAM) device organized as

65,536 words of 16 bits. The MR0A16A offers SRAM compatible 35 ns read/write timing with unlimited en-

durance. Data is always non-volatile for greater than 20 years. Data is automatically protected on power loss

by low-voltage inhibit circuitry to prevent writes with voltage out of specification.

MR0A16A is the ideal memory solution for applications that must permanently store and retrieve critical

data and programs quickly.

The MR0A16B is available in a small footprint 48-pin ball grid array (BGA) package and a 44-pin thin small

outline package (TSOP Type 2). These packages are compatible with similar low-power SRAM products and

other nonvolatile RAM products.

The MR0A16A provides highly reliable data storage over a wide range of temperatures. The product is avail-

able with commercial temperature (0 to +70 °C), industrial temperature (-40 to +85 °C), extended tempera-

ture (-40 to +105 °C), and Automotive AEC-Q100 Grade 1 (-40 to +125°) temperature range options.

MR0A16A Rev. 8.2, 6/2015

MR0A16A

TABLE OF CONTENTS

FEATURES .............................................................................................................................................1

BENEFITS...............................................................................................................................................1

INTRODUCTION ...................................................................................................................................1

BLOCK DIAGRAM AND PIN ASSIGNMENTS .......................................................................................4

Figure 1 – Block Diagram ........................................................................................................................................... 4

Table 1 – Pin Functions ............................................................................................................................................... 4

Figure 2 – MR0A16A Package Pinouts .................................................................................................................. 5

OPERATING MODES .............................................................................................................................5

Table 2 – Operating Modes ....................................................................................................................................... 5

ABSOLUTE MAXIMUM RATINGS .........................................................................................................6

Table 3 – Absolute Maximum Ratings ................................................................................................................... 6

OPERATING CONDITIONS ...................................................................................................................7

Table 4 – Operating Conditions ............................................................................................................................... 7

Power Up and Power Down Sequencing .......................................................................................8

Figure 3 – Power Up and Power Down Timing ................................................................................................. 8

DC CHARACTERISTICS .........................................................................................................................9

Table 5 – DC Characteristics ......................................................................................................................................

Table 6 – Power Supply Characteristics ................................................................................................................

TIMING SPECIFICATIONS ................................................................................................................. 10

Table 7 – Capacitance ...............................................................................................................................................10

Table 8 – AC Measurement Conditions ..............................................................................................................10

Figure 4 – Output Load Test Low and High .......................................................................................................10

Figure 5 – Output Load Test All Others ...............................................................................................................10

Table 9 – Read Cycle Timing ...................................................................................................................................11

Figure 6 – Read Cycle 1 .............................................................................................................................................12

MR0A16A Rev. 8.2, 6/2015

MR0A16A

TABLE OF CONTENTS - continued

Figure 7 – Read Cycle 2 .............................................................................................................................................12

Table 10 – Write Cycle Timing 1 (W Controlled) .............................................................................................13

Figure 8 – Write Cycle Timing 1 (W Controlled) ...............................................................................................14

Table 11 – Write Cycle Timing 2 (E Controlled)................................................................................................15

Figure 9 – Write Cycle Timing 2 (E Controlled) ................................................................................................15

Table 12 – Write Cycle Timing 3 (LB/UB Controlled) ....................................................................................16

Figure 10 – Write Cycle Timing 3 (UB/LB Controlled) ...................................................................................16

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

Table 13 – Part Numbering System ......................................................................................................................17

Table 14 – MR0A16A Ordering Part Numbers ..................................................................................................18

PACKAGE OUTLINE DRAWINGS ....................................................................................................... 19

Figure 11 – 44-pin TSOP2 .........................................................................................................................................19

Figure 12 – 48-ball FBGA ..........................................................................................................................................20

REVISION HISTORY ........................................................................................................................... 21

HOW TO CONTACT US ....................................................................................................................... 22

MR0A16A Rev. 8.2, 6/2015

MR0A16ACMA35 Related Products

	MR0A16ACMA35	MR0A16AVYS35R	MR0A16AVMA35	MR0A16ACMA35R	MR0A16AYS35R
Description	USB Interface IC USB to UART bridge QFN28	NVRAM 1Mb 3.3V 64Kx16 35ns Parallel MRAM	NVRAM 1Mb 3.3V 64Kx16 35ns Parallel MRAM	NVRAM 1Mb 3.3V 64Kx16 35ns Parallel MRAM	NVRAM 1Mb 3.3V 64Kx16 35ns Parallel MRAM
Product Category	NVRAM	NVRAM	NVRAM	NVRAM	NVRAM
Manufacturer	Everspin	Everspin	Everspin	Everspin	Everspin
RoHS	Details	Details	Details	Details	Details
Package / Case	BGA-48	TSOP-44	BGA-48	BGA-48	TSOP-44
Interface Type	Parallel	Parallel	Parallel	Parallel	Parallel
Memory Size	1 Mbit	1 Mbit	1 Mbit	1 Mbit	1 Mbit
Organization	64 k x 16	64 k x 16	64 k x 16	64 k x 16	64 k x 16
Data Bus Width	16 bit	16 bit	16 bit	16 bit	16 bit
Access Time	35 ns	35 ns	35 ns	35 ns	35 ns
Supply Voltage - Max	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Supply Voltage - Min	3 V	3 V	3 V	3 V	3 V
Operating Supply Current	105 mA	105 mA	105 mA	105 mA	105 mA
Minimum Operating Temperature	- 40 C	- 40 C	- 40 C	- 40 C	0 C
Maximum Operating Temperature	+ 85 C	+ 105 C	+ 105 C	+ 85 C	+ 70 C
Packaging	Tray	Reel	Tray	Reel	Reel
Moisture Sensitive	Yes	Yes	Yes	Yes	Yes
Mounting Style	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT
Factory Pack Quantity	348	1500	348	2000	1500

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