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PDF MX29LA641DL Data sheet ( Hoja de datos )
| Número de pieza | MX29LA641DL | |
| Descripción | FLASH MEMORY | |
| Fabricantes | Macronix International | |
| Logotipo |  |
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MX29LA641D H/L
64M-BIT [4M x 16/8M x 8] CMOS EQUAL SECTOR
FEATURES
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: 90ns
- 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)
• 20 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 highest or lowest sector, regardless of sector protection set-
tings
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
• Sector Permanent Lock
- A unique lock bit feature allows the content to be permanently locked
P/N:PM1289
REV. 1.2, MAR. 06, 2009
1
1 page  
BLOCK DIAGRAM
MX29LA641D H/L
VCC
GND
CEx
OE#
WE#
RESET#
WP#
ACC
CONTROL
INPUT
LOGIC
A0-A21
ADDRESS
LATCH
AND
BUFFER
Q0-Q15
V I/O
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
FLASH
ARRAY
Y-PASS GATE
ARRAY
SOURCE
HV
SENSE
AMPLIFIER
PGM
DATA
HV
PROGRAM
DATA LATCH
STATE
REGISTER
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
P/N:PM1289
REV. 1.2, MAR. 06, 2009
5
5 Page 
MX29LA641D H/L
Table 2-2. BUS OPERATION
Control Input
A21 A14
A8
A5 A3
Q8 Q7
Description
CEx
OE#
WE#
to to A9 to
A15 A10
A7
A6 to
A4
to
A2
A1
A0 to to
Q15 Q0
Sector Lock
Status Verification
enable L
H
SA X Vhv X
L
X
L
H
L
X
Note
1
Read Indicator Bit(Q7)
For Security Sector
enable
L
H
X
X Vhv X
L
X
L
H
H
X
Note
2
Read Manufacturer ID enable L
H X X Vhv X L X L L L 00 C2h
Read Device ID---
1st cycle
L L H 22 7Eh
2nd cycle
3rd cycle
641DH enable
641DL
L
H
X
X Vhv X
L
X
H
H
H
H
L 22 13h
H 22 01h
H H H 22 00h
Legend: L=Logic Low=VIL, H=Logic High=VIH, SA=Sector Address, X=Don't care.
Notes:
1. Sector unprotected code: 00h, sector protected code:01h.
2. Factory locked code: For 29LA641DL: 88h.
For 29LA641DH: 98h.
Factory unlocked code: For 29LA641DL: 08h.
For 29LA641DH: 18h.
P/N:PM1289
REV. 1.2, MAR. 06, 2009
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MX29LA641DL.PDF ] | |
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