參數資料
型號: AM29DL640D90WHI
廠商: ADVANCED MICRO DEVICES INC
元件分類: PROM
英文描述: 64 Megabit CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory
中文描述: 4M X 16 FLASH 3V PROM, 90 ns, PBGA63
封裝: 12 X 11 MM, 0.80 MM PITCH, FBGA-63
文件頁數: 15/54頁
文件大?。?/td> 1184K
代理商: AM29DL640D90WHI
14
Am29DL640D
October 7, 2004
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in Table 12. This method
does not require V
ID
. Refer to the Autoselect Com-
mand Sequence section for more information.
Table 5.
Am29DL640D Autoselect Codes, (High Voltage Method)
Legend:
L = Logic Low = V
IL
, H = Logic High = V
IH
, BA = Bank Address, SA = Sector Address, X = Don’t care
.
Description
CE# OE#
WE#
A21
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
to
A4
A3
A2
A1
A0
DQ8 to DQ15
DQ7
to
DQ0
BYTE#
= V
IH
BYTE#
= V
IL
Manufacturer ID
:
AMD
L
L
H
BA
X
V
ID
X
L
X
L
L
L
L
X
X
01h
D
Read Cycle 1
L
L
H
BA
X
V
ID
X
L
X
L
L
L
H
22h
X
7Eh
Read Cycle 2
L
H
H
H
L
22h
02h
Read Cycle 3
L
H
H
H
H
22h
01h
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
X
H
L
X
X
01h (protected),
00h (unprotected)
SecSi Indicator Bit
(DQ7)
L
L
H
BA
X
V
ID
X
L
X
L
L
H
H
X
X
80h (factory locked),
00h (not factory
locked)
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