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参数资料
| 型号： | AM29DL320GB70WMI |
| 厂商： | SPANSION LLC |
| 元件分类： | DRAM |
| 英文描述： | High Speed CMOS Logic Dual 4-Input NAND Gates 14-CDIP -55 to 125 |
| 中文描述： | 2M X 16 FLASH 3V PROM, 70 ns, PBGA48 |
| 封装： | 6 X 12 MM, 0.80 MM PITCH, FBGA-48 |
| 文件页数： | 18/58页 |
| 文件大小： | 1239K |
| 代理商： | AM29DL320GB70WMI |
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16
Am29DL320G
September 27, 2004
Autoselect Mode
The autoselect mode provides manufacturer and de-
vice identification, and sector protection verification,
through identifier codes output on DQ7–DQ0. This
mode is primarily intended for programming equip-
ment to automatically match a device to be pro-
grammed with its corresponding programming
algorithm. However, the autoselect codes can also be
accessed in-system through the command register.
When using programming equipment, the autoselect
mode requires V
ID
(8.5 V to 12.5 V) on address pin A9.
Address pins A6, A1, and A0 must be as shown in
Table 6
. In addition, when verifying sector protection,
the sector address must appear on the appropriate
highest order address bits (see
Table 2
).
Table 6
shows the remaining address bits that are don’t care.
When all necessary bits have been set as required,
the programming equipment may then read the corre-
sponding identifier code on DQ7–DQ0.
To access the autoselect codes in-system, the host
system can issue the autoselect command via the
command register, as shown in
Table 13
. This method
does not require V
ID
. Refer to the Autoselect Com-
mand Sequence section for more information.
Table 6.
Autoselect Codes, (High Voltage Method)
Legend:
T = Top Boot Block, B = Bottom Boot Block, L = Logic Low = V
IL
, H = Logic High = V
IH
, BA = Bank Address, SA = Sector Address, X =
Don’t care.
Notes:
1.
The bank address bits are A20–A18.
2.
The device ID must be read across three cycles.
Description
CE# OE# WE#
A20
to
A12
A11
to
A10
A9
A8
to
A7
A6
A5
to
A4
A3
A2
A1
A0
DQ15 to DQ8
DQ7
to
DQ0
BYTE#
= V
IH
BYTE#
= V
IL
Manufacturer ID
:
AMD
L
L
H
BA
X
V
ID
X
L
X
X
X
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
L
H
BA
X
V
ID
X
L
X
H
H
H
L
22h
X
0Ah
Read Cycle 3
L
L
H
BA
X
V
ID
X
L
X
H
H
H
H
22h
X
01h (T), 00h (B)
Sector Protection
Verification
L
L
H
SA
X
V
ID
X
L
X
X
X
H
L
X
X
01h (protected),
00h (unprotected)
SecSi
Indicator
Bit (DQ7)
L
L
H
BA
X
V
ID
X
L
X
X
X
H
H
X
X
82h (factory locked),
02h (not factory
locked)
相关PDF资料 |
PDF描述 |
|---|---|
| AM29DL320GT70PCIN | High Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer Inverting and Non-Inverting 16-CDIP -55 to 125 |
| AM29DL320GB90 | For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path. |
| AM29DL320GT70WMI | For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path. |
| AM29DL320GT90 | For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path. |
| AM29DL320G | For new designs involving TSOP packages, S29JL032H supercedes Am29DL320G and is the factory-recommended migration path. |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AM29DL322DB7REIT | 制造商:AMD 功能描述:New |
| AM29DL322DB-90WDIT | 制造商:Spansion 功能描述:FLASH PARALLEL 3V/3.3V 32MBIT 4MX8/2MX16 90NS 63FBGA - Tape and Reel |
| AM29DL322DT-90EI-T | 制造商:Advanced Micro Devices 功能描述: |
| AM29DL322GB-90EI | 制造商:Advanced Micro Devices 功能描述:2M X 16 FLASH 3V PROM, 90 ns, 48 Pin Plastic SMT |
| AM29DL322GT-90EI | 制造商:Advanced Micro Devices 功能描述:Flash Mem Parallel 3.3V 32M-Bit 4M x 8/2M x 16 90ns 48-Pin TSOP |
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