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MX28F2000P View Datasheet(PDF) - Macronix International

Part NameDescriptionManufacturer
MX28F2000P 2M-BIT [256K x 8] CMOS FLASH MEMORY Macronix
Macronix International Macronix
MX28F2000P Datasheet PDF : 33 Pages
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MX28F2000P
TABLE 1. COMMAND DEFINITIONS
COMMAND
BUS
FIRST BUS CYCLE
CYCLES OPERATION ADDRESS DATA
Read Memory
1
Write
X
00H
Read Identified codes
2
Write
X
90H
Setup auto erase/
2
Write
X
30H
auto erase (chip)
Setup auto erase/
2
Write
X
20H
auto erase (block)
SECOND BUS CYCLE
OPERATION ADDRESS DATA
Read
Write
Write
IA
ID
X
30H
EA
D0H
Setup auto program/
program
Setup Erase/
Erase (chip)
Setup Erase/
Erase (block)
Erase verify
Reset
2
Write
2
Write
2
Write
2
Write
2
Write
X
X
X
EVA
X
40H
Write
20H
Write
60H
Write
A0H
Read
FFH
Write
PA
PD
X
20H
EA
60H
X
EVD
X
FFH
Note:
IA = Identifier address
EA = Block of memory location to be erased
PA = Address of memory location to be pro-
grammed
ID = Data read from location IA during device iden-
tification
PD = Data to be programmed at location PA
EVA = Address of memory location to be read during
erase verify.
EVD = Data read from location EVA during erase
verify.
Auto modes have the build-in enchanced features.
Please use the auto erase mode whenever it is.
P/N: PM0380
REV. 1.5, OCT 29, 1998
6
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