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AM49DL640BH Datasheet(PDF) 13 Page - SPANSION

Part # AM49DL640BH
Description  64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
PDF  63 Pages
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Manufacturer  SPANSION [SPANSION]
Direct Link  http://www.spansion.com
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AM49DL640BH Datasheet(HTML) 13 Page - SPANSION

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December 5, 2003
Am49DL640BH
11
ADV ANCE
I N FO RMAT I O N
Table 2.
Device Bus Operations—Flash Byte Mode, CIOf = VIL
Legend: L = Logic Low = VIL, H = Logic High = VIH, VID = 11.5–12.5 V, VHH = 9.0 ± 0.5 V, X = Don’t Care, Byte Mode, SADD = Flash Sector Address,
AIN = Address In, DIN = Data In, DOUT = Data Out
Notes:
1.
Other operations except for those indicated in this column are
inhibited.
2.
Do not apply CE#f = VIL, CE1#s = VIL and CE2s = VIH at the
same time.
3.
Don’t care or open LB#s or UB#s.
4.
If WP#/ACC = VIL , the boot sectors will be protected. If WP#/ACC
= VIH the boot sectors protection will be removed.
If WP#/ACC = VACC (9V), the program time will be reduced by
40%.
5.
The sector protect and sector unprotect functions may also be
implemented via programming equipment. See the “Sector/Sector
Block Protection and Unprotection” section.
6.
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.
7.
Data will be retained in pSRAM.
8.
Data will be lost in pSRAM.
Operation
(Notes 1, 2)
CE#f
CE1#s
CE2s
OE#
WE#
Address
LB#s
UB#s RESET#
WP#/ACC
(Note 4)
DQ7–
DQ0
DQ15–
DQ8
Read from
Flash
(Note 7)
L
HH
LH
AIN
XX
H
L/H
DOUT
High-Z
(Note 8)
H
L
Write to Flash
(Note 7)
L
HH
HL
AIN
X
X
H
(Note 4)
DIN
High-Z
(Note 8)
H
L
Standby
VCC ±
0.3 V
HH
X
X
X
X
X
VCC ±
0.3 V
H
High-Z
High-Z
Deep Power-down
Standby
VCC ±
0.3 V
HL
X
X
X
X
X
VCC ±
0.3 V
H
High-Z
High-Z
Output Disable
L
L
H
HH
X
X
X
H
L/H
High-Z
High-Z
HH
X
X
X
Flash Hardware
Reset
(Note 7)
X
HH
X
X
X
X
X
L
L/H
High-Z
High-Z
(Note 8)
H
L
Sector Protect
(Note 5)
(Note 7)
L
HH
HL
SADD, A6 = L,
A1 = H, A0 = L
XX
VID
L/H
DIN
X
(Note 8)
H
L
Sector
Unprotect
(Note 5)
(Note 7)
L
HH
HL
SADD, A6 = H,
A1 = H, A0 = L
XX
VID
(Note 6)
DIN
X
(Note 8)
H
L
Temporary
Sector
Unprotect
(Note 7)
X
HH
XX
X
X
X
VID
(Note 6)
DIN
High-Z
(Note 8)
H
L
Read from pSRAM
H
L
H
L
H
AIN
LL
HX
DOUT
DOUT
H
L
High-Z
DOUT
LH
DOUT
High-Z
Write to pSRAM
H
L
H
X
L
AIN
LL
HX
DIN
DIN
H
L
High-Z
DIN
LH
DIN
High-Z



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