MX29F040C
POWER-UP SEQUENCE
The MX29F040C powers up in the Read only mode. In
addition, the memory contents may only be altered after
successful completion of the predefined command se-
quences.
SECTOR PROTECTION WITHOUT 12V SYS-
TEM
The MX29F040C also feature a sector protection method
in a system without 12V power supply. The programming
equipment do not need to supply 12 volts to protect sec-
tors. The details are shown in sector protect algorithm
and waveform.
CHIP UNPROTECT WITHOUT 12V SYSTEM
The MX29F040C also feature a chip unprotection method
in a system without 12V power supply. The programming
equipment do not need to supply 12 volts to unprotect all
sectors. The details are shown in chip unprotect algo-
rithm and waveform.
P/N:PM1201
REV. 1.0, DEC. 20, 2005
12
MCNIX [ MACRONIX INTERNATIONAL ]
