MX29F022NTQC-55 データシートの表示（PDF） - Macronix International
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MX29F022NTQC-55 Datasheet PDF : 46 Pages
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MX29F022/022NT/B
Performing a read operation with A1=VIH, it will produce
00H at data outputs (Q0-Q7) for an unprotected chip. It
is noted that all sectors are unprotected after the chip
unprotect algorithm is complete.
CHIP PROTECTION WITHOUT 12V SYSTEM
The MX29F022T/B also feature a hardware chip
protection method in a system without 12V power sup-
ply. The programming equipment do not need to supply
12 volts to protect all sectors. The details are shown in
chip protect algorithm and waveform.
CHIP UNPROTECT WITHOUT 12V SYSTEM
The MX29F022T/B also feature a hardware chip
unprotection method in a system without 12V power sup-
ply. The programming equipment do not need to supply
12 volts to unprotect all sectors. The details are shown
in chip unprotect algorithm and waveform.
ABSOLUTE MAXIMUM RATINGS
RATING
Ambient Operating Temperature
Storage Temperature
Applied Input Voltage
Applied Output Voltage
VCC to Ground Potential
A9
VALUE
0oC to 70oC
-65oC to 125oC
-0.5V to 7.0V
-0.5V to 7.0V
-0.5V to 7.0V
-0.5V to 13.5V
NOTICE:
Stresses greater than those listed under ABSOLUTE MAXI-
MUM RATINGS may cause permanent damage to the de-
vice. This is a stress rating only and functional operational
sections of this specification is not implied. Exposure to ab-
solute maximum rating conditions for extended period may
affect reliability.
NOTICE:
Specifications contained within the following tables are sub-
ject to change.
POWER-UP SEQUENCE
The MX29F022T/B powers up in the Read only mode. In
addition, the memory contents may only be altered after
successful completion of a two-step command sequence.
Vpp and Vcc power up sequence is not required.
P/N:PM0556
REV. 1.3, NOV. 11, 2002
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