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參數(shù)資料
| 型號(hào)： | Am29F016D-90E4IB |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| 中文描述： | 16兆位（2米× 8位）的CMOS 5.0伏只，統(tǒng)一部門快閃記憶體 |
| 文件頁(yè)數(shù)： | 13/45頁(yè) |
| 文件大?。?/td> | 1145K |
| 代理商： | AM29F016D-90E4IB |
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12
Am29F016D
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 equipment
to automatically match a device to be programmed 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
(11.5 V to 12.5 V) on address pin
A9. Address pins A6, A1, and A0 must be as shown in
Autoselect Codes (High Voltage Method) table. In addi-
tion, when verifying sector protection, the sector ad-
dress must appear on the appropriate highest order
address bits. Refer to the corresponding Sector Ad-
dress Tables. The Command Definitions table shows
the remaining address bits that are don’t care. When all
necessary bits have been set as required, the program-
ming equipment may then read the corresponding
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 the Command Defini-
tions table. This method does not require V
ID
. See
“Command Definitions” for details on using the autose-
lect mode.
Table 3.
Am29F016D Autoselect Codes (High Voltage Method)
L = Logic Low = V
IL
, H = Logic High = V
IH
, SA = Sector Address, X = Don’t care.
Sector Group Protection/Unprotection
The hardware sector group protection feature dis-
ables both program and erase operations in any sec-
tor group. Each sector group consists of four adjacent
sectors. Table 4 shows how the sectors are grouped,
and the address range that each sector group con-
tains. The hardware sector group unprotection fea-
ture re-enables both program and erase operations in
previously protected sector groups.
Sector group protection/unprotection must be imple-
mented using programming equipment. The procedure
requires a high voltage (V
ID
) on address pin A9 and the
control pins. Details on this method are provided in a
supplement, publication number 23922. Contact an
AMD representative to obtain a copy of the appropriate
document. Note that the sector group protection and
unprotection scheme differs from that used with the
previous versions of this device, namely the
Am29F016B and Am29F016.
The device is shipped with all sector groups unpro-
tected. AMD offers the option of programming and pro-
tecting sector groups at its factory prior to shipping the
device through AMD’s ExpressFlash Service. Con-
tact an AMD representative for details.
It is possible to determine whether a sector group is
protected or unprotected. See “Autoselect Mode” for
details.
Table 4.
Sector Group Addresses
Temporary Sector Group Unprotect
This feature allows temporary unprotection of previ-
ously protected sector groups to change data in-sys-
tem. The Sector Group Unprotect mode is activated
by setting the RESET# pin to V
ID
. During this mode,
formerly protected sector groups can be programmed
or erased by selecting the sector group addresses.
Description
CE#
OE# WE# A20-A18
A17-A10
A9
A8-A7
A6
A5-A2
A1
A0
DQ7-DQ0
Manufacturer ID
:
AMD
L
L
H
X
X
V
ID
X
V
IL
X
V
IL
V
IL
01h
Device ID:
Am29F016D
L
L
H
X
X
V
ID
X
V
IL
X
V
IL
V
IH
ADh
Sector Group
Protection
Verification
L
L
H
Sector
Group
Address
X
V
ID
X
V
IL
X
V
IH
V
IL
01h (protected)
00h (unprotected)
Sector
Group
A20
A19
A18
Sectors
SA0
–
SA3
SA4
–
SA7
SA8
–
SA11
SA12
–
SA15
SA16
–
SA19
SA20
–
SA23
SA24
–
SA27
SA28
–
SA31
SGA0
0
0
0
SGA1
0
0
1
SGA2
0
1
0
SGA3
0
1
1
SGA4
1
0
0
SGA5
1
0
1
SGA6
1
1
0
SGA7
1
1
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Am29F016D-90E4CB | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| AM29F016D-90E4E | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| Am29F016D-90E4EB | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| AM29F016D-90E4I | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
| Am29F016D-70E4EB | 16 Megabit (2 M x 8-Bit) CMOS 5.0 Volt-only, Uniform Sector Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM29F016D-90EC | 制造商:Advanced Micro Devices 功能描述: 制造商:Advanced Micro Devices 功能描述:NOR Flash, 2M x 8, 48 Pin, Plastic, TSSOP 制造商:Arrow Electronics,Inc. 功能描述:NOR Flash, 2M x 8, 48 Pin, Plastic, TSSOP |
| AM29F016D-90ED | 制造商:Spansion 功能描述:NOR Flash Parallel 5V 16Mbit 2M x 8bit 90ns 48-Pin TSOP 制造商:Spansion 功能描述:IC FLASH 16MB SMD 29F016 TSOP48 制造商:Advanced Micro Devices 功能描述:2M X 8 FLASH 5V PROM, 90 ns, PDSO48 |
| AM29F016D-90EF | 功能描述:閃存 16M (2MX8) 90ns 5v Parallel NOR 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AM29F016D-90EI | 制造商:Spansion 功能描述: |
| AM29F016D-90EI\T | 制造商:Spansion 功能描述:NOR Flash Parallel 5V 16Mbit 2M x 8bit 90ns 48-Pin TSOP T/R |
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