MX29F001TTC-12 データシートの表示（PDF） - Macronix International
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MX29F001TTC-12 Datasheet PDF : 43 Pages
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MX29F001T/B
TABLE 2. MX29F001T/B BUS OPERATION
Pins
Mode
Read Silicon ID
Manfacturer Code(1)
CE
OE
WE
A0
A1
A6
A9 Q0 ~ Q7
L
L
H
L
L
X
V (2) C2H
ID
Read Silicon ID
Device Code(1)
L
L
H
H
L
X
VID(2) 18H/19H
Read
Standby
L
L
H
A0
A1
A6
A9
D
OUT
H
X
X
X
X
X
X
HIGH Z
Output Disable
L
H
H
X
X
X
X
HIGH Z
Write
Chip Protect with 12V
system(6)
L
H
L
L
VID(2)
L
A0
A1
A6
A9
DIN(3)
X
X
L
VID(2)
X
Chip Unprotect with 12V
system(6)
L
VID(2)
L
X
X
H
VID(2)
X
Verify Chip Protect
with 12V system
L
L
H
X
H
X
VID(2) Code(5)
Chip Protect without 12V
L
H
L
X
X
L
H
X
system (6)
Chip Unprotect without 12V
L
H
L
X
X
H
H
X
system (6)
Verify Chip Protect/Unprotect
L
L
H
X
H
X
H Code(5)
without 12V system (7)
Reset
X
X
X
X
X
X
X
HIGH Z
NOTES:
1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer to Table 1.
2. VID is the Silicon-ID-Read high voltage, 11.5V to 12.5V.
3. Refer to Table 1 for valid Data-In during a write operation.
4. X can be VIL or VIH.
5. Code=00H means unprotected.
Code=01H means protected.
6. Refer to chip protect/unprotect algorithm and waveform.
Must issue "unlock for chip protect/unprotect" command before "chip protect/unprotect without 12V system" command.
7. The "verify chip protect/unprotect without 12V sysytem" is only following "Chip protect/unprotect without 12V system"
command.
P/N: PM0515
REV. 2.1, JUN. 14, 2001
6
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