256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
Parallel NOR Flash Embedded Memory
JS28F256M29EWxx, PC28F256M29EWxx, RC28F256M29EWxx
JS28F512M29EWxx, PC28F512M29EWxx, RC28F512M29EWxx
JS28F00AM29EWxx, PC28F00AM29EWxx, RC28F00AM29EWxx
PC28F00BM29EWxx, RC28F00BM29EWxx
Features
• 2Gb = stacked device (two 1Gb die)
• Supply voltage
– V
CC
= 2.7–3.6V (program, erase, read)
– V
CCQ
= 1.65–V
CC
(I/O buffers)
• Asynchronous random/page read
– Page size: 16 words or 32 bytes
– Page access: 25ns
– Random access: 100ns (Fortified BGA);
110ns (TSOP)
• Buffer program: 512-word program buffer
• Program time
– 0.88µs per byte (1.14 MB/s) TYP when using full
512-word buffer size in buffer program
• Memory organization
– Uniform blocks: 128-Kbytes or 64-Kwords each
• Program/erase controller
– Embedded byte (x8)/word (x16) program algo-
rithms
• Program/erase suspend and resume capability
– Read from another block during a PROGRAM
SUSPEND operation
– Read or program another block during an ERASE
SUSPEND operation
• BLANK CHECK operation to verify an erased block
• Unlock bypass, block erase, chip erase, and write to
buffer capability
– Fast buffered/batch programming
– Fast block/chip erase
• V
PP
/WP# pin protection
– Protects first or last block regardless of block
protection settings
• Software protection
– Volatile protection
– Nonvolatile protection
– Password protection
– Password access
• Extended memory block
– 128-word (256-byte) block for permanent, secure
identification
– Programmed or locked at the factory or by the
customer
• Low power consumption: Standby mode
• JESD47-compliant
– 100,000 minimum ERASE cycles per block
– Data retention: 20 years (TYP)
• 65nm multilevel cell (MLC) process technology
• Package
– 56-pin TSOP, 14 x 20mm
– 64-ball fortified BGA, 13 x 11mm
• Green packages available
– RoHS-compliant
– Halogen-free
• Operating temperature
– Ambient: –40°C to +85°C
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. C 9/14 EN
1
Products and specifications discussed herein are subject to change by Micron without notice.
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2012 Micron Technology, Inc. All rights reserved.
256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
Part Numbering Information
Devices are shipped from the factory with memory content bits erased to 1. For available options, such as pack-
ages or high/low protection, or for further information, contact your Micron sales representative. Part numbers
can be verified at
www.micron.com.
Feature and specification comparison by device type is available at
www.mi-
cron.com/products.
Contact the factory for devices not found.
Table 1: Part Number Information
Part Number
Category
Package
Category Details
JS = 56-pin TSOP, 14mm x 20mm, lead-free, halogen-free, RoHS-compliant
PC = 64-ball Fortified BGA, 11mm x 13mm, lead-free, halogen-free, RoHS-compliant
RC = 64-ball Fortified BGA, 11mm x 13mm, leaded
Product designator
Density
28F = NOR parallel interface
256 = 256Mb
512 = 512Mb
00A = 1Gb
00B = 2Gb
Device type
Device function
Features
Note:
M29EW = Embedded Flash memory (3V core, page, uniform block)
H = Highest block protected by V
PP
/WP#
L = Lowest block protected by V
PP
/WP#
A/B/D/E or an asterisk (*) = Combination of features, including packing media, special
features, and specific customer request information
1. For 2Gb device,
H
also indicates protection of the lowest block by V
PP
/WP#.
1
Notes
Table 2: Standard Part Numbers by Density, Medium, and Package
Package
Density
256Mb
Medium
Tray
Tape and Reel
512Mb
Tray
Tape and Reel
1Gb
Tray
Tape and Reel
2Gb
Tray
JS
JS28F256M29EWHA
JS28F256M29EWLA
JS28F256M29EWHB
JS28F256M29EWLB
JS28F512M29EWHA
JS28F512M29EWLA
JS28F512M29EWHB
JS28F512M29EWLB
JS28F00AM29EWHA
JS28F00AM29EWLA
JS28F00AM29EWHB
–
PC
PC28F256M29EWHA
PC28F256M29EWLA
PC28F256M29EWHB
PC28F256M29EWLB
PC28F512M29EWHD
PC28F512M29EWLA
PC28F512M29EWHB
PC28F512M29EWLB
PC28F00AM29EWHA
PC28F00AM29EWLA
PC28F00AM29EWHB
PC28F00BM29EWHA
RC
RC28F256M29EWHA
RC28F256M29EWLA
RC28F256M29EWHB
–
RC28F512M29EWHA
RC28F512M29EWLA
RC28F512M29EWHB
–
RC28F00AM29EWHA
RC28F00AM29EWLA
RC28F00AM29EWHB
RC28F00BM29EWHA
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. C 9/14 EN
2
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2012 Micron Technology, Inc. All rights reserved.
256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
Table 3: Part Numbers with Security Features by Density, Medium, and Package
Package
Density
256Mb
Medium
Tray
Tape and Reel
512Mb
Tray
Tape and Reel
1Gb
Tray
Tape and Reel
JS
–
–
–
–
–
–
–
–
PC
PC28F256M29EWHD
PC28F256M29EWLD
–
PC28F512M29EWHA
PC28F512M29EWLE
PC28F512M29EWHE
PC28F00AM29EWHD
PC28F00AM29EWLE
–
–
RC
–
–
–
–
–
–
–
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. C 9/14 EN
3
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2012 Micron Technology, Inc. All rights reserved.
256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
Contents
General Description ......................................................................................................................................... 8
Device Configurability .................................................................................................................................. 9
Signal Assignments ......................................................................................................................................... 10
Signal Descriptions ......................................................................................................................................... 12
Memory Organization .................................................................................................................................... 14
Memory Configuration ............................................................................................................................... 14
Memory Map ............................................................................................................................................. 14
Bus Operations ............................................................................................................................................... 15
Read .......................................................................................................................................................... 15
Write .......................................................................................................................................................... 15
Standby ..................................................................................................................................................... 16
Output Disable ........................................................................................................................................... 16
Reset .......................................................................................................................................................... 16
Registers ........................................................................................................................................................ 17
Data Polling Register .................................................................................................................................. 17
Lock Register .............................................................................................................................................. 22
Standard Command Definitions – Address-Data Cycles .................................................................................... 24
READ and AUTO SELECT Operations .............................................................................................................. 27
READ/RESET Command ............................................................................................................................ 27
READ CFI Command .................................................................................................................................. 27
AUTO SELECT Command ........................................................................................................................... 27
Bypass Operations .......................................................................................................................................... 29
UNLOCK BYPASS Command ...................................................................................................................... 29
UNLOCK BYPASS RESET Command ............................................................................................................ 29
Program Operations ....................................................................................................................................... 30
PROGRAM Command ................................................................................................................................ 30
UNLOCK BYPASS PROGRAM Command ..................................................................................................... 30
WRITE TO BUFFER PROGRAM Command .................................................................................................. 30
UNLOCK BYPASS WRITE TO BUFFER PROGRAM Command ....................................................................... 32
WRITE TO BUFFER PROGRAM CONFIRM Command .................................................................................. 33
BUFFERED PROGRAM ABORT AND RESET Command ................................................................................ 33
PROGRAM SUSPEND Command ................................................................................................................ 33
PROGRAM RESUME Command .................................................................................................................. 34
Erase Operations ............................................................................................................................................ 34
CHIP ERASE Command .............................................................................................................................. 34
UNLOCK BYPASS CHIP ERASE Command ................................................................................................... 34
BLOCK ERASE Command ........................................................................................................................... 35
UNLOCK BYPASS BLOCK ERASE Command ................................................................................................ 35
ERASE SUSPEND Command ....................................................................................................................... 36
ERASE RESUME Command ........................................................................................................................ 36
BLANK CHECK Operation .............................................................................................................................. 37
BLANK CHECK Commands ........................................................................................................................ 37
Block Protection Command Definitions – Address-Data Cycles ........................................................................ 38
Protection Operations .................................................................................................................................... 41
LOCK REGISTER Commands ...................................................................................................................... 41
PASSWORD PROTECTION Commands ....................................................................................................... 41
NONVOLATILE PROTECTION Commands .................................................................................................. 41
NONVOLATILE PROTECTION BIT LOCK BIT Commands ............................................................................ 44
VOLATILE PROTECTION Commands .......................................................................................................... 44
EXTENDED MEMORY BLOCK Commands .................................................................................................. 44
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. C 9/14 EN
4
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2012 Micron Technology, Inc. All rights reserved.
256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
EXIT PROTECTION Command ....................................................................................................................
Device Protection ...........................................................................................................................................
Hardware Protection ..................................................................................................................................
Software Protection ....................................................................................................................................
Volatile Protection Mode .............................................................................................................................
Nonvolatile Protection Mode ......................................................................................................................
Password Protection Mode ..........................................................................................................................
Password Access .........................................................................................................................................
Common Flash Interface ................................................................................................................................
Power-Up and Reset Characteristics ................................................................................................................
Absolute Ratings and Operating Conditions .....................................................................................................
DC Characteristics ..........................................................................................................................................
Read AC Characteristics ..................................................................................................................................
Write AC Characteristics .................................................................................................................................
Accelerated Program, Data Polling/Toggle AC Characteristics ...........................................................................
Program/Erase Characteristics ........................................................................................................................
Package Dimensions .......................................................................................................................................
Additional Resources ......................................................................................................................................
Revision History .............................................................................................................................................
Rev. C – 09/14 .............................................................................................................................................
Rev. B – 08/12 .............................................................................................................................................
Rev. A – 04/12 .............................................................................................................................................
45
46
46
46
47
47
48
48
50
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56
58
60
63
71
73
74
76
77
77
77
78
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. C 9/14 EN
5
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©
2012 Micron Technology, Inc. All rights reserved.
模拟与混合信号
