Important Notes and Warnings ......................................................................................................................... 7
General Description ......................................................................................................................................... 8
Automatic Power Savings Feature .................................................................................................................. 8
Signal Assignments ......................................................................................................................................... 10
Signal Descriptions ......................................................................................................................................... 13
Bus Operations ............................................................................................................................................... 16
Data Polling Register .................................................................................................................................. 18
Read Status Register ................................................................................................................................... 23
Clear Status Register ................................................................................................................................... 24
Program Operations ....................................................................................................................................... 35
PROGRAM Command ................................................................................................................................ 35
UNLOCK BYPASS PROGRAM Command ..................................................................................................... 35
WRITE TO BUFFER PROGRAM Command .................................................................................................. 35
UNLOCK BYPASS WRITE TO BUFFER PROGRAM Command ....................................................................... 38
WRITE TO BUFFER PROGRAM CONFIRM Command .................................................................................. 38
BUFFERED PROGRAM ABORT AND RESET Command ................................................................................ 38
PROGRAM SUSPEND Command ................................................................................................................ 38
PROGRAM RESUME Command .................................................................................................................. 39
ACCELERATED BUFFERED PROGRAM Operations .......................................................................................... 39
Common Flash Interface ................................................................................................................................
Power-Up and Reset Characteristics ................................................................................................................
Absolute Ratings and Operating Conditions .....................................................................................................
DC Characteristics ..........................................................................................................................................
Read AC Characteristics ..................................................................................................................................
Write AC Characteristics .................................................................................................................................
Data Polling/Toggle AC Characteristics ............................................................................................................
Revision History .............................................................................................................................................
Rev. H –10/18 .............................................................................................................................................
Rev. G –05/18 .............................................................................................................................................
Rev. F – 11/16 .............................................................................................................................................
Rev. E – 9/15 ...............................................................................................................................................
Rev. D – 01/15 .............................................................................................................................................
Rev. C – 12/14 .............................................................................................................................................
Rev. B – 07/14 .............................................................................................................................................
Rev. A – 05/14 .............................................................................................................................................
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PDF: 09005aef85b07bee
mt28fw_512mb_automotive.pdf - Rev. H 10/18 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Figure 1: Part Number Chart ............................................................................................................................ 2
Figure 15: Reset AC Timing – No PROGRAM/ERASE Operation in Progress ...................................................... 61
Figure 16: Reset AC Timing During PROGRAM/ERASE Operation .................................................................... 61
Figure 17: AC Measurement Load Circuit ....................................................................................................... 63
Figure 18: AC Measurement I/O Waveform ..................................................................................................... 63
Figure 19: Random Read AC Timing ............................................................................................................... 67
Figure 20: Page Read AC Timing ..................................................................................................................... 67
Figure 21: WE#-Controlled Program AC Timing .............................................................................................. 69
Figure 22: CE#-Controlled Program AC Timing ............................................................................................... 71
Figure 23: Chip/Block Erase AC Timing .......................................................................................................... 72
Figure 24: Accelerated Program AC Timing ..................................................................................................... 72
Figure 25: Data Polling AC Timing .................................................................................................................. 73
Figure 26: Toggle/Alternative Toggle Bit Polling AC Timing .............................................................................. 74
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