MX29LV320AB Просмотр технического описания (PDF) - Macronix International
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MX29LV320AB Datasheet PDF : 60 Pages
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MX29LV320AT/B
Table 2. BUS OPERATION--1
Operation
CE OE
Read
LL
Write (Note 1)
LH
Accelerate
LH
Program
Standby
VCC ± X
0.3V
Output Disable
LH
Reset
XX
Sector Group
LH
Protect (Note 2)
Chip Unprotect
LH
(Note 2)
Temporary Sector X X
Group Unprotect
WE RESET WP/ACC
HH
L/H
Addresses
(Note 2)
AIN
Q0~Q7
DOUT
L H Note 3
A
D
IN
IN
LH
V
A
D
HH
IN
IN
X VCC ±
0.3V
HH
XL
LV
ID
L
VID
XV
ID
H
X
High-Z
L/H
X
High-Z
L/H
X
High-Z
L/H Sector Addresses, D , D
IN OUT
A6=L, A1=H, A0=L
Note 3 Sector Addresses, DIN, DOUT
A6=H, A1=H, A0=L
Note 3
A
D
IN
IN
Q8 ~ Q15
Byte=VIH Byte=VIL
DOUT
Q8-A14
=High-Z
D
Q15=A-1
IN
D
IN
High-Z
High-Z
High-Z
High-Z
X
High-Z
High-Z
X
X
X
D
High-Z
IN
Legend:
L=Logic
LOW=V ,
IL
H=Logic
High=V ,
IH
VID=12.0±0.5V,
V =11.5-12.5V,
HH
X=Don't
Care,
A =Address IN, D =Data IN,
IN
IN
DOUT=Data OUT
Notes:
1. When the WP/ACC pin is at VHH, the device enters the accelerated program mode. See "Accelerated Program
Operations" for more information.
2.The sector group protect and chip unprotect functions may also be implemented via programming equipment. See
the "Sector Group Protection and Chip Unprotection" section.
3.If WP/ACC=VIL, the two outermost boot sectors remain protected. If WP/ACC=VIH, the two outermost boot sector
protection depends on whether they were last protected or unprotected using the method described in "Sector/
Sector Block Protection and Unprotection". If WP/ACC=VHH, all sectors will be unprotected.
4.DIN or Dout as required by command sequence, data polling, or sector protection algorithm.
5.Address are A20:A0 in word mode (BYTE=VIH), A20:A-1 in byte mode (BYTE=VIL).
P/N:PM1008
REV. 1.1, MAY 28, 2004
9
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