am41dl16x4d Meet Spansion Inc., am41dl16x4d Datasheet - Page 15

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am41dl16x4d

Manufacturer Part Number
am41dl16x4d
Description
Stacked Multi-chip Package Mcp Flash Memory And Sram Am29dl16xd 16 Megabit 2 M X 8-bit/1 M X 16-bit Cmos 3.0 Volt-only, Simultaneous Operation Flash Memory And 4 Mbit 512 K X 8-bit/256 K X 16-bit Static Ram
Manufacturer
Meet Spansion Inc.
Datasheet
Legend: L = Logic Low = V
Input, Byte Mode, SADD = Flash Sector Address, A
Data Out, DNU = Do Not Use
Notes:
1. Other operations except for those indicated in this column are inhibited.
2. Do not apply CE#f = 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 implemented via programming equipment. See the “The autoselect
6. If WP#/ACC = V
14
Operation
(Notes 1, 2)
Read from Flash
Write to Flash
Standby
Output Disable
Flash Hardware
Reset
Sector Protect
(Note 5)
Sector Unprotect
(Note 5)
Temporary
Sector Unprotect
Read from SRAM
Write to SRAM
If WP#/ACC = V
mode provides manufacturer and device identification, and sector protection verification, through identifier codes output on
DQ7–DQ0. The autoselect codes can be accessed in-system through the command register. Refer to the Autoselect Command
Sequence section for more information.Sector/Sector Block Protection and Unprotection”.
depends on whether they were last protected or unprotected using the method described in “The autoselect mode provides
manufacturer and device identification, and sector protection verification, through identifier codes output on DQ7–DQ0. The
autoselect codes can be accessed in-system through the command register. Refer to the Autoselect Command Sequence section
for more information.Sector/Sector Block Protection and Unprotection”. If WP#/ACC = V
Table 4. Device Bus Operations—Flash Byte Mode, CIOf = V
V
CE#f CE1#s CE2s OE# WE#
0.3 V
IL
ACC
IL
CC
, the two outermost boot sectors remain protected. If WP#/ACC = V
, the boot sectors will be protected. If WP#/ACC = V
H
X
X
H
H
L
L
L
L
(9V), the program time will be reduced by 40%.
IL
, CE1#s = V
IL
H
H
H
H
H
H
H
X
X
X
L
X
X
X
X
L
L
, H = Logic High = V
X
X
X
H
X
X
X
X
H
H
L
L
L
L
L
L
L
IL
and CE2s = V
H
X
H
X
H
H
X
X
L
L
P R E L I M I N A R Y
H
H
H
X
X
X
L
L
L
L
IH
, V
IN
IH
ID
= Address In (for Flash Byte Mode, DQ15 = A-1), D
SA
SA
SA
SA
Am41DL16x4D
X
X
X
X
X
X
X
at the same time.
= 8.5–12.5 V, V
A1 = H,
A1 = H,
A6 = L,
A6 = L,
SADD,
SADD,
A0 = L
A0 = L
Addr.
A
A
A
A
A
X
X
X
IN
IN
IN
IN
IN
(Note 3)
IH
LB#s
DNU
HH
the boot sectors protection will be removed.
X
X
X
X
X
X
X
X
X
= 9.0 ± 0.5 V, X = Don’t Care, SA = SRAM Address
(Note 3)
UB#s
DNU
IL
X
X
X
X
X
X
X
X
X
; SRAM Byte Mode, CIOs = V
IH
, the two outermost boot sector protection
HH,
RESET#
V
0.3 V
V
V
V
all sectors will be unprotected.
CC
H
H
H
H
H
L
ID
ID
ID
WP#/ACC
(Note 6)
(Note 6)
(Note 4)
(Note 3)
L/H
L/H
L/H
L/H
H
X
X
IN
= Data In, D
High-Z
High-Z
High-Z
DQ7–
D
D
DQ0
D
D
D
D
D
OUT
OUT
IN
IN
IN
IN
IN
SS
DQ15–
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
OUT
DQ8
X
X
=

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