AM29PDL640AGA85NS SPANSION [SPANSION], AM29PDL640AGA85NS Datasheet - Page 12

• Manufacturer Part Number: AM29PDL640AGA85NS
• Description: 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 16 Mbit (1 M x 16-Bit) Pseudo Static RAM
• Manufacturer: SPANSION [SPANSION]

Operation
(Notes 1, 2)
Read from Active
Flash
Write to Active
Flash
Standby
Deep Power-down Standby
(Note 10)
Output Disable (Note 9)
Flash Hardware
Reset
Sector Protect
(Notes 5, 9)
Sector Unprotect
(Notes 5, 9)
Temporary
Sector Unprotect
Read from pSRAM
Write to pSRAM
Legend: L = Logic Low = V
Address In, D
Notes:
1.
2. Do not apply CE#f1 = V
3. Don’t care or open LB#s or UB#s.
4. If WP#/ACC = V
5. The sector protect and sector unprotect functions may also be
10
Other operations except for those indicated in this column are
inhibited.
same time.
= V
If WP#/ACC = V
40%.
implemented via programming equipment. See the “Sector/Sector
Block Protection and Unprotection” section.
IH
the boot sectors protection will be removed.
IN
= Data In, D
(Note 7)
(Note 8)
(Note 7)
(Note 8)
(Note 7)
(Note 8)
(Note 7)
(Note 8)
(Note 7)
(Note 8)
(Note 7)
(Note 8)
IL
ACC
, the boot sectors will be protected. If WP#/ACC
(9V), the program time will be reduced by
IL
IL
OUT
V
V
, H = Logic High = V
CE#f
0.3 V
0.3 V
, CE1#s = V
Table 1. Device Bus Operations—Flash Word Mode, CIOf = V
CC
CC
X
X
H
H
L
L
L
L
L
= Data Out
±
±
CE1#s
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
IL
and CE2s = V
CE2s
IH
, V
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
ID
P R E L I M I N A R Y
= 11.5–12.5 V, V
IH
OE#
H
X
X
H
H
X
H
H
X
X
L
L
at the
Am49PDL640AG
WE#
H
H
H
H
L
X
X
X
L
L
X
L
HH
A1 = H,
A6 = H,
A1 = H,
A6 = L,
SADD,
SADD,
A0 = L
A0 = L
Addr.
= 9.0 ± 0.5 V, X = Don’t Care, SADD = Flash Sector Address, A
A
A
A
A
X
X
X
X
X
X
6. If WP#/ACC = V
7. Data will be retained in pSRAM.
8. Data will be lost in pSRAM.
9. CE# inputs on both flash devices may be held low for this
10. Deep Power-down Standby is not available.
IN
IN
IN
IN
protected. If WP#/ACC = V
protection depends on whether they were last protected or
unprotected using the method described in “Sector/Sector Block
Protection and Unprotection”. If WP#/ACC = V
be unprotected.
operation
(Note 3)
LB#s
X
X
X
X
X
X
X
X
X
X
H
H
L
L
L
L
(Note 3)
UB#s
IL
, the two outermost boot sectors remain
H
H
X
X
X
X
X
X
X
X
X
X
L
L
L
L
RESET#
IH
V
V
0.3 V
0.3 V
, the two outermost boot sector
V
V
V
CC
CC
H
H
H
H
H
L
ID
ID
ID
±
±
IH
(Note 4)
(Note 5)
(Note 6)
(Note 6)
WP#/
November 20, 2003
ACC
L/H
L/H
L/H
L/H
H
H
X
X
HH,
all sectors will
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
DQ7–
D
D
D
DQ0
D
D
D
D
D
D
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
DQ15–
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
=
D
D
D
DQ8
D
D
D
OUT
OUT
OUT
X
X
IN
IN
IN