MR2A16AVMA35R【PDF 2/20 页】IC MRAM 4MBIT 35NS 48BGA

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MR2A16A

TABLE OF CONTENTS

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

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

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

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

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

Figure 2 – Pin Diagrams for Available Packages (Top View) .......................................................................... 5

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

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

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

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

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

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

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

Table 4 – DC Characteristics ...................................................................................................................................... 9

Table 5 – Power Supply Characteristics ................................................................................................................ 9

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

Table 6 – Capacitance ...............................................................................................................................................10

Table 7 – AC Measurement Conditions ..............................................................................................................10

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

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

Read Mode .................................................................................................................................... 11

Table 8 – Read Cycle Timing ................................................................................................................................... 11

Figure 6 – Read Cycle 1 ............................................................................................................................................. 11

Figure 7 – Read Cycle 2 ............................................................................................................................................. 11

Write Mode.................................................................................................................................... 12

Table 9 – Write Cycle Timing 1 ( W Controlled) .................................................................................................12

MR2A16A Rev. 11, 10/2013

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