參數(shù)資料
型號(hào): Am29F400AT-65FCB
廠商: Advanced Micro Devices, Inc.
英文描述: 4 Megabit (524,288 x 8-Bit/262,144 x 16-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
中文描述: 4兆位(524,288 x 8-Bit/262,144 x 16位),5.0伏的CMOS只,扇區(qū)擦除閃存
文件頁數(shù): 10/35頁
文件大?。?/td> 136K
代理商: AM29F400AT-65FCB
10
Am29F400AT/Am29F400AB
P R E L I M I N A R Y
Table 5.
Sector Address Tables (Am29F400AT)
Table 6.
Sector Address Tables (Am29F400AB)
Write
Device erasure and programming are accomplished via
the command register. The contents of the register serve
as inputs to the internal state machine. The state ma-
chine outputs dictate the function of the device.
The command register itself does not occupy any ad-
dressable memory location. The register is a latch used
to store the commands, along with the address and data
information needed to execute the command. The com-
mand register is written to by bringing WE to V
IL
, while
CE is at V
IL
and OE is at V
IH
. Addresses are latched on
the falling edge of WE or CE, whichever happens later;
while data is latched on the rising edge of WE or CE,
whichever happens first. Standard microprocessor write
timings are used.
Refer to AC Write Characteristics and the Erase/Pro-
gramming Waveforms for specific timing parameters.
Sector Protection
The Am29F400A features hardware sector protection.
This feature will disable both program and erase opera-
tions in any combination of ten sectors of memory. The
sector protect feature is enabled using programming
equipment at the user’s site. The device is shipped with
all sectors unprotected. Alternatively, AMD may program
and protect sectors in the factory prior to shipping the
device (AMD’s ExpressFlash
Service).
A17
A16
A15
A14
A13
A12
(x8) Address
Range
(x16) Address
Range
SA0
0
0
0
X
X
X
00000h-0FFFFh
00000h-07FFFh
SA1
0
0
1
X
X
X
10000h-1FFFFh
08000h-0FFFFh
SA2
0
1
0
X
X
X
20000h-2FFFFh
10000h-17FFFh
SA3
0
1
1
X
X
X
30000h-3FFFFh
18000h-1FFFFh
SA4
1
0
0
X
X
X
40000h-4FFFFh
20000h-27FFFh
SA5
1
0
1
X
X
X
50000h-5FFFFh
28000h-2FFFFh
SA6
1
1
0
X
X
X
60000h-6FFFFh
30000h-37FFFh
SA7
1
1
1
0
X
X
70000h-77FFFh
38000h-3BFFFh
SA8
1
1
1
1
0
0
78000h-79FFFh
3C000h-3CFFFh
SA9
1
1
1
1
0
1
7A000h-7BFFFh
3D000h-3DFFFh
SA10
1
1
1
1
1
X
7C000h-7FFFFh
3E000h-3FFFFh
A17
A16
A15
A14
A13
A12
(x8) Address
Range
(x16) Address
Range
SA0
0
0
0
0
0
X
00000h-03FFFh
00000h-01FFFh
SA1
0
0
0
0
1
0
04000h-05FFFh
02000h-02FFFh
SA2
0
0
0
0
1
1
06000h-07FFFh
03000h-03FFFh
SA3
0
0
0
1
X
X
08000h-0FFFFh
04000h-07FFFh
SA4
0
0
1
X
X
X
10000h-1FFFFh
08000h-0FFFFh
SA5
0
1
0
X
X
X
20000h-2FFFFh
10000h-17FFFh
SA6
0
1
1
X
X
X
30000h-3FFFFh
18000h-1FFFFh
SA7
1
0
0
X
X
X
40000h-4FFFFh
20000h-27FFFh
SA8
1
0
1
X
X
X
50000h-5FFFFh
28000h-2FFFFh
SA9
1
1
0
X
X
X
60000h-6FFFFh
30000h-37FFFh
SA10
1
1
1
X
X
X
70000h-7FFFFh
38000h-3FFFFh
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參數(shù)描述
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AM29F400BB 制造商: 功能描述: 制造商:undefined 功能描述:
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