mr0a08b ETC-unknow, mr0a08b Datasheet

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mr0a08b

Manufacturer Part Number
mr0a08b
Description
Ic Mram 1mbit 35ns 44tsop
Manufacturer
ETC-unknow
Datasheet

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Part Number:
mr0a08bCMA35
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Everspin Technologies Inc
Quantity:
10 000
Part Number:
mr0a08bCMA35R
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Everspin Technologies Inc
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Part Number:
mr0a08bMA35
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Everspin Technologies Inc
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10 000
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mr0a08bMA35R
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Everspin Technologies Inc
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Part Number:
mr0a08bYS35R
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EVERSPIN
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20 000
Everspin Technologies © 2009
FEATURES
CONTENTS
INTRODUCTION
The MR0A08B is a 1,048,576-bit magnetoresistive random access
memory (MRAM) device organized as
131,072 words of 8 bits. The MR0A08B offers SRAM compatible 35
ns read/write timing with unlimited endurance. 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. The
MR0A08B is the ideal memory solution for applications that must permanently store and retrieve critical
data and programs quickly.
The MR0A08B is available in small footprint 400-mil, 44-lead plastic small-outline TSOP type-II package or
8 mm x 8 mm, 48-pin ball grid array (BGA) package with 0.75 mm ball centers. These packages are compat-
ible with similar low-power SRAM products and other non-volatile RAM products.
The MR0A08B provides highly reliable data storage over a wide range of temperatures. The product is of-
fered with commercial temperature (0 to +70 °C), industrial temperature (-40 to +85 °C), and automotive
temperature (-40 to +125 °C) range options.
• Fast 35 ns Read/Write Cycle
• SRAM Compatible Timing, Uses Existing SRAM Controllers Without
• Unlimited Read & Write Endurance
• Data Always Non-volatile for >20-years at Temperature
• One Memory Replaces Flash, SRAM, EEPROM and BBSRAM in
• Replace battery-backed SRAM solutions with MRAM to eliminate
• 3.3 Volt Power Supply
• Automatic Data Protection on Power Loss
• Commercial, Industrial, Automotive Temperatures
• RoHS-Compliant SRAM TSOPII Package
• RoHS-Compliant SRAM BGA Package Shrinks Board Area By Three
1. DEVICE PIN ASSIGNMENT......................................................................... 2
2. ELECTRICAL SPECIFICATIONS................................................................. 4
3. TIMING SPECIFICATIONS.......................................................................... 7
4. ORDERING INFORMATION....................................................................... 12
5. MECHANICAL DRAWING.......................................................................... 13
6. REVISION HISTORY...................................................................................... 15
How to Reach Us.......................................................................................... 15
Redesign
System for Simpler, More Efficient Design
battery assembly improving reliability
Times
1
Document Number: MR0A08B Rev. 2, 6/2009
RoHS
128K x 8 MRAM Memory
MR0A08B

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mr0a08b Summary of contents

Page 1

... The MR0A08B provides highly reliable data storage over a wide range of temperatures. The product is of- fered with commercial temperature (0 to +70 °C), industrial temperature (-40 to +85 °C), and automotive temperature (-40 to +125 °C) range options. CONTENTS 1. DEVICE PIN ASSIGNMENT......................................................................... 2 2. ELECTRICAL SPECIFICATIONS................................................................. 4 3. TIMING SPECIFICATIONS.......................................................................... 7 4. ORDERING INFORMATION....................................................................... 12 5. MECHANICAL DRAWING.......................................................................... 13 6. REVISION HISTORY...................................................................................... 15 How to Reach Us.......................................................................................... 15 Everspin Technologies © 2009 128K x 8 MRAM Memory RoHS 1 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B ...

Page 2

... No Connection - Pin 2, 40, 41, 43 (TSOPII), Ball D3, H1, H6, G2 (BGA) Reserved For Future Expansion Everspin Technologies © 2009 Figure 1.1 Block Diagram OUTPUT ENABLE ROW COLUMN DECODER DECODER 8 SENSE AMPS 128k x 8 BIT MEMORY ARRAY FINAL 8 WRITE DRIVERS WRITE ENABLE Table 1.1 Pin Functions 2 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B 8 8 OUTPUT BUFFER 8 WRITE 8 DRIVER DQ[7:0] ...

Page 3

... DQ3 Table 1.2 Operating Modes W Mode 1 X Not selected H Output disabled H Byte Read L Byte Write 3 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B DQ4 DQ1 DQ5 A16 V DQ2 DQ6 ...

Page 4

... Everspin Technologies © 2009 Table 2.1 Absolute Maximum Ratings Symbol OUT BIAS T stg T Lead H max_write H max_read . SS 4 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B 1 Value Unit -0.5 to 4 ±20 mA 0.600 W - °C - -45 to 130 -55 to 150 °C 260 °C 2000 A/m 8000 ...

Page 5

... Figure 2.1 Power Up and Power Down Diagram STARTUP TIME V DD BROWNOUT OR POWER LOSS NORMAL OPERATION 5 MR0A08B Typical Max 3.3 3.6 2 125 . As soon as V exceeds 0 (whichever is lower) and remain DD IH STARTUP TIME NORMAL OPERATION Document Number: MR0A08B Rev. 2, 6/2009 Unit °C (min), DD ...

Page 6

... V 2 0.2 DD Table 2.4 Power Supply Characteristics 0 ≥ 0 MR0A08B Typical Max - ±1 - ± Symbol Typical Max DDR DDW 55 70 TBD TBD SB1 SB2 Document Number: MR0A08B Rev. 2, 6/2009 Unit μA μ Unit ...

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... Table 3.2 AC Measurement Conditions Figure 3.1 Output Load Test Low and High Figure 3.2 Output Load Test All Others 3.3 V Output 435 7 MR0A08B 1 Typical Max - I/O Value 1.5 1 3.0 2 See Figure 3.1 See Figure 3 1 590 5 pF Document Number: MR0A08B Rev. 2, 6/2009 Unit Unit ...

Page 8

... Everspin Technologies © 2009 Table 3.3 Read Cycle Timing Symbol t AVAV t AVQV t ELQV t GLQV t AXQX t ELQX t 3 GLQX t EHQZ t 3 GHQZ Figure 3.3A Read Cycle 1 Figure 3.3B Read Cycle 2 8 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B 1 Min Max Unit ...

Page 9

... Table 3.4 Write Cycle Timing 1 (W Controlled) Symbol t AVAV t AVWL t AVWH t AVWH t WLWH t WLEH t WLWH t WLEH t DVWH t WHDX t WLQZ t WHQX t WHAX (min) WHQX Figure 3.4 Write Cycle Timing 1 (W Controlled) 9 MR0A08B 1 Min Max Document Number: MR0A08B Rev. 2, 6/2009 Unit ...

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... Everspin Technologies © 2009 Table 3.5 Write Cycle Timing 2 (E Controlled) Symbol t AVAV t AVEL t AVEH t AVEH t ELEH t ELWH t ELEH t ELWH t DVEH t EHDX t EHAX Figure 3.5 Write Cycle Timing 2 (E Controlled) 10 MR0A08B 1 Min Max Document Number: MR0A08B Rev. 2, 6/2009 Unit ...

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... AVWH t 20 AVWH t 15 WLWH t WLEH t 10 DVWH t 0 WHDX t -2 EHAX t 6 WHAX t 12 WHEL , W and E Controlled) WHAX t AVAV t AVWH t WLEH t WLWH t t AVWL DVWH 11 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B 1 Max Unit - WHAX t EHAX t WHEL t WHDX ...

Page 12

... ORDERING INFORMATION Part Number MR0A08BYS35 MR0A08BCYS35 MR0A08BMYS35 1 MR0A08BYS35R MR0A08BCYS35R MR0A08BMYS35R MR0A08BMA35 MR0A08BCMA35 MR0A08BMMA35 1 The automotive temperature grade parts are classified as Preliminary. 1 Everspin Technologies © 2009 Figure 4.1 Part Numbering System Table 4.1 Available Parts Description 3.3 V 128Kx8 MRAM 44-TSOP 3.3 V 128Kx8 MRAM 44-TSOP 3.3 V 128Kx8 MRAM 44-TSOP 3.3 V 128Kx8 MRAM 44-TSOP T&R 3.3 V 128Kx8 MRAM 44-TSOP T&R 3.3 V 128Kx8 MRAM 44-TSOP T&R 1 3.3 V 128Kx8 MRAM 48-BGA 3.3 V 128Kx8 MRAM 48-BGA 3.3 V 128Kx8 MRAM 48-BGA 12 MR0A08B Carrier (Blank = Tray Tape & ...

Page 13

... MECHANICAL DRAWING 1. Dimensions and tolerances per ASME Y14.5M - 1994. 2. Dimensions in Millimeters. 3. Dimensions do not include mold protrusion. 4. Dimension does not include DAM bar protrusions. DAM Bar protrusion shall not cause the lead width to exceed 0.58. Everspin Technologies © 2009 Figure 5.1 TSOP-II Print Version Not To Scale 13 Document Number: MR0A08B Rev. 2, 6/2009 MR0A08B ...

Page 14

... Mechanical Drawings BOTTOM VIEW 1. Dimensions in Millimeters. 2. Dimensions and tolerances per ASME Y14.5M - 1994. 3. Maximum solder ball diameter measured parallel to DATUM A 4. DATUM A, the seating plane is determined by the spherical crowns of the solder balls. 5. Parallelism measurement shall exclude any effect of mark on top surface of package. Everspin Technologies © 2009 Figure 5.2 FBGA TOP VIEW Print Version Not To Scale 14 MR0A08B SIDE VIEW Document Number: MR0A08B Rev. 2, 6/2009 ...

Page 15

... Everspin Technologies was negligent regarding the design or manufacture of the part. Everspin™ and the Everspin logo are trademarks of Everspin Technologies, Inc. All other product or service names are the property of their respective owners. ©Everspin Technologies, Inc. 2008 15 MR0A08B Document Number: MR0A08B Rev. 2, 6/2009 ...

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