am49lv6408m Meet Spansion Inc., am49lv6408m Datasheet - Page 12

• Manufacturer Part Number: am49lv6408m
• Description: Stacked Multi-chip Mcp 64 Mbit 4 M ? 16 Bit Flash Memory And 8 Mbit 512k ? 16 Bit Pseudo Static Ram
• Manufacturer: Meet Spansion Inc.

Legend: L = Logic Low = V
Address, A
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#ps or UB#ps.
4. If WP#/ACC = V
5. The sector protect and sector unprotect functions may also be implemented via programming equipment. See the “Sector Group
6. If WP#/ACC = V
10
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 pSRAM
Write to pSRAM
If WP#/ACC = V
Protection and Unprotection” section.
depends on whether they were last protected or unprotected using the method described in “Sector Group Protection and
Unprotection”. If WP#/ACC = V
IN
= Address In, D
IL
ACC
IL
, the two outermost boot sectors remain protected. If WP#/ACC = V
, the boot sectors will be protected. If WP#/ACC = V
V
0.3 V
CE#f CE1#ps CE2ps OE# WE#
(9V), the program time will be reduced by 40%.
CC
H
H
L
L
L
X
L
L
X
IL
, CE1#ps = V
±
IL
, H = Logic High = V
IN
= Data In, D
H
H
H
H
H
H
H
X
X
X
X
X
X
X
L
L
L
HH,
A D V A N C E
all sectors will be unprotected.
IL
and CE2ps = V
X
X
X
H
X
X
X
X
H
H
L
L
L
L
L
L
L
OUT
Table 1. Device Bus Operations
= Data Out
IH
H
X
H
H
X
H
H
X
X
L
L
, V
ID
Am49LV6408M
= 11.5–12.5 V, V
IH
H
X
H
H
X
X
H
L
L
L
L
at the same time.
I N F O R M A T I O N
A1 = H,
A6 = H,
A1 = H,
A6 = L,
SADD,
A0 = L
SADD,
A0 = L
Addr.
A
A
A
A
X
X
X
X
X
IN
IN
IN
IN
IH
LB#s UB#s RESET#
HH
the boot sectors protection will be removed.
X
X
X
X
X
X
X
X
H
H
L
L
L
L
L
= 9.0 ± 0.5 V, X = Don’t Care, SADD = Flash Sector
X
X
X
X
X
X
X
X
H
H
L
L
L
L
L
IH
, the two outermost boot sector protection
V
0.3 V
V
V
V
CC
H
H
H
H
H
L
ID
ID
ID
±
WP#/ACC
(Note 4)
(Note 4)
(Note 6)
(Note 6)
L/H
L/H
L/H
L/H
H
X
X
November 5, 2003
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
DQ15–
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
DQ8
D
D
D
OUT
X
X
OUT
OUT
IN
IN
IN