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PDF MX29LA640EL Data sheet ( Hoja de datos )
| Número de pieza | MX29LA640EL | |
| Descripción | FLASH MEMORY | |
| Fabricantes | Macronix International | |
| Logotipo |  |
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MX29LA640E H/L
FEATURES
64M-BIT [4M x 16/8M x 8] CMOS EQUAL SECTOR
FLASH MEMORY
GENERAL FEATURES
• 8M Bytes/4M Words switchable
• 128 Equal Sectors with 64K Bytes (32K words) each
- Any combination of sectors can be erased with erase suspend/resume function
• Single Power Supply Operation
- 2.7 to 3.6 volt for read, erase, and program operations
• Latch-up protected to 100mA from -1.0V to 1.5 x Vcc
• Low Vcc write inhibit is equal to or less than VLKO
• Compatible with JEDEC standard
- Pinout and software compatible to single power supply Flash
PERFORMANCE
• High Performance
- Access time: 70ns
- Program time: 11us/word
- Erase time: 0.7s/sector, 45s/chip (typical)
• Low Power Consumption
- Low active read current: 9mA (typical) at 5MHz
- Low standby current: 5uA(typical)
• 100,000 erase/program cycles (typical)
• 10 years data retention
SOFTWARE FEATURES
• Support Common Flash Interface (CFI)
- Flash device parameters stored on the device and provide the host system to access
• Erase Suspend/ Erase Resume
- Suspends sector erase operation to read data from or program data to another sector which is not being
erased
• Status Reply
- Data# polling & Toggle bits provide detection of program and erase operation completion or not
HARDWARE FEATURES
• Ready/Busy (RY/BY#) Output
- Provides a hardware method of detecting program and erase operation completion
• Hardware Reset (RESET#) Input
- Provides a hardware method to reset the internal state machine to read mode
• ACC input pin
- Provides accelerated program capability
• WP#/ACC input
- Write protect (WP#) function allows protection all sectors, regardless of sector protection settings
SECURITY
• Sector Protection/Chip Unprotect
- Provides sector protect function to prevent program or erase operation in the protected sector
- Provides chip unprotect function to allow code changes
- Provides temporary sector unprotect function for code changes in previously protected sector
P/N:PM1424
REV. 1.2, MAY 04, 2009
1
1 page  
MX29LA640E H/L
Table 1. BLOCK STRUCTURE
MX29LA640E SECTOR ARCHITECTURE
Sector Size
Kbytes Kwords
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
64 32
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
SA17
SA18
SA19
SA20
SA21
SA22
SA23
SA24
SA25
SA26
SA27
SA28
SA29
SA30
SA31
SA32
SA33
SA34
SA35
SA36
SA37
SA38
SA39
SA40
SA41
SA42
Sector Address
A21-A15
0000000
0000001
0000010
0000011
0000100
0000101
0000110
0000111
0001000
0001001
0001010
0001011
0001100
0001101
0001110
0001111
0010000
0010001
0010010
0010011
0010100
0010101
0010110
0010111
0011000
0011001
0011010
0011011
0011100
0011101
0011110
0011111
0100000
0100001
0100010
0100011
0100100
0100101
0100110
0100111
0101000
0101001
0101010
(x8)
Address Range
000000h-00FFFFh
010000h-01FFFFh
020000h-02FFFFh
030000h-03FFFFh
040000h-04FFFFh
050000h-05FFFFh
060000h-06FFFFh
070000h-07FFFFh
080000h-08FFFFh
090000h-09FFFFh
0A0000h-0AFFFFh
0B0000h-0BFFFFh
0C0000h-0CFFFFh
0D0000h-0DFFFFh
0E0000h-0EFFFFh
0F0000h-0FFFFFh
100000h-10FFFFh
110000h-11FFFFh
120000h-12FFFFh
130000h-13FFFFh
140000h-14FFFFh
150000h-15FFFFh
160000h-16FFFFh
170000h-17FFFFh
180000h-18FFFFh
190000h-19FFFFh
1A0000h-1AFFFFh
1B0000h-1BFFFFh
1C0000h-1CFFFFh
1D0000h-1DFFFFh
1E0000h-1EFFFFh
1F0000h-1FFFFFh
200000h-20FFFFh
210000h-21FFFFh
220000h-22FFFFh
230000h-23FFFFh
240000h-24FFFFh
250000h-25FFFFh
260000h-26FFFFh
270000h-27FFFFh
280000h-28FFFFh
290000h-29FFFFh
2A0000h-2AFFFFh
P/N:PM1424
5
(x16)
Address Range
000000h-007FFFh
008000h-00FFFFh
010000h-017FFFh
018000h-01FFFFh
020000h-027FFFh
028000h-02FFFFh
030000h-037FFFh
038000h-03FFFFh
040000h-047FFFh
048000h-04FFFFh
050000h-057FFFh
058000h-05FFFFh
060000h-067FFFh
068000h-06FFFFh
070000h-077FFFh
078000h-07FFFFh
080000h-087FFFh
088000h-08FFFFh
090000h-097FFFh
098000h-09FFFFh
0A0000h-0A7FFFh
0A8000h-0AFFFFh
0B0000h-0B7FFFh
0B8000h-0BFFFFh
0C0000h-0C7FFFh
0C8000h-0CFFFFh
0D0000h-0D7FFFh
0D8000h-0DFFFFh
0E0000h-0E7FFFh
0E8000h-0EFFFFh
0F0000h-0F7FFFh
0F8000h-0FFFFFh
100000h-107FFFh
108000h-10FFFFh
110000h-117FFFh
118000h-11FFFFh
120000h-127FFFh
128000h-12FFFFh
130000h-137FFFh
138000h-13FFFFh
140000h-147FFFh
148000h-14FFFFh
150000h-157FFFh
REV. 1.2, MAY 04, 2009
5 Page 
MX29LA640E H/L
RESET# OPERATION
Driving RESET# pin low for a period more than Trp will reset the device back to read mode. If the device is in
program or erase operation, the reset operation will take at most a period of Tready for the device to return to
read array mode. Before the device returns to read array mode, the RY/BY# pin remains low (busy status).
When RESET# pin is held at GND±0.3V, the device consumes standby current(Isb).However, device draws larg-
er current if RESET# pin is held at Vil but not within GND±0.3V.
It is recommended that the system to tie its reset signal to RESET# pin of flash memory, so that the flash memo-
ry will be reset during system reset and allows system to read the boot-up firware from flash memory.
SECTOR PROTECT OPERATION
When a sector is protected, program or erase operation will be disabled on these sectors. MX29LA640E H/L pro-
vides two methods for sector protection.
Once the sector is protected, the sector remains protected until next chip unprotect, or is temporarily unprotected
by asserting RESET# pin at Vhv. Refer to temporary sector unprotect operation for further details.
The first method is by applying Vhv on RESET# pin. Refer to Figure 14 for timing diagram and Figure 15 for the
algorithm for this method.
The other method is asserting Vhv on A9 and OE# pins, with A6 and CE# at Vil. The protection operation begins
at the falling edge of WE# and terminates at the rising edge. Contact Macronix for details.
CHIP UNPROTECT OPERATION
MX29LA640E H/L provides two methods for chip unprotect. The chip unprotect operation unprotects all sectors
within the device. It is recommended to protect all sectors before activating chip unprotect mode. All sectors are
unprotected when shipped from the factory.
The first method is by applying Vhv on RESET# pin. Refer to Figure 14 for timing diagram and Figure 15 for al-
gorithm of the operation.
The other method is asserting Vhv on A9 and OE# pins, with A6 at Vih and CE# at Vil (see Table 2). The unpro-
tect operation begins at the falling edge of WE# and terminates at the rising edge. Contact Macronix for details.
TEMPORARY SECTOR UNPROTECT OPERATION
System can apply RESET# pin at Vhv to place the device in temporary unprotect mode. In this mode, previously
protected sectors can be programmed or erased just as it is unprotected. The devices returns to normal opera-
tion once Vhv is removed from RESET# pin and previously protected sectors are again protected.
P/N:PM1424
REV. 1.2, MAY 04, 2009
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MX29LA640EL.PDF ] | |
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