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參數資料
型號： HY29F400BT55
廠商： Hynix Semiconductor Inc.
英文描述： 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
中文描述： 4兆位（512Kx8/256Kx16）5伏只閃存
文件頁數： 5/40頁
文件大小： 509K
代理商： HY29F400BT55
5
Rev. 5.2/May 01
HY29F400
MEMORY ARRAY ORGANIZATION
The 4 Mbit Flash memory array is organized into
11 blocks called
sectors
(S0, S1, . . . , S10). A
sector is the smallest unit that can be erased and
which can be protected to prevent accidental or
unauthorized erasure. See the
‘
Bus Operations
’
and
‘
Command Definitions
’
sections of this docu-
ment for additional information on these functions.
In the HY29F400, four of the sectors, which com-
prise the
boot block
, vary in size from 8 to 32
Kbytes (4 to 16 Kwords), while the remaining
seven sectors are uniformly sized at 64 Kbytes
(32 Kwords). The boot block can be located at
the bottom of the address range (HY29F400B) or
at the top of the address range (HY29F400T).
Table 1. HY29F400 Memory Array Organization
Notes:
1. X indicates Don
’
t Care.
2. Address in Byte Mode is A[17:-1].
3. Address in Word Mode is A[17:0].
BUS OPERATIONS
Device bus operations are initiated through the
internal command register, which consists of sets
of latches that store the commands, along with
the address and data information, if any, needed
to execute the specific command. The command
register itself does not occupy any addressable
memory location. The contents of the command
register serve as inputs to an internal state ma-
chine whose outputs control the operation of the
device. Table 2 lists the normal bus operations,
H
H
e
c
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]
1
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
[
A
]
1
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
[
A
]
1
0
1
0
1
0
1
0
1
1
1
1
0
0
0
0
1
0
1
0
1
0
1
[
A
]
1
X
X
X
X
X
X
X
0
1
1
1
0
0
0
1
X
X
X
X
X
X
X
[
A
]
1
X
X
X
X
X
X
X
X
0
0
1
0
1
1
X
X
X
X
X
X
X
X
[
A
]
1
X
X
X
X
X
X
X
X
0
1
X
X
0
1
X
X
X
X
X
X
X
X
[
A
0
1
2
3
4
5
6
7
8
9
0
1
0
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
S
S
S
S
S
S
S
S
S
S
S
S
2
2
2
2
2
2
2
6
3
6
3
6
3
6
3
6
3
6
3
6
3
6
1
3
4
4
8
1
8
1
4
4
1
3
3
6
3
6
3
6
3
6
3
6
3
6
3
6
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
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F
F
F
F
F
F
F
F
F
F
F
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F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
7
9
B
F
3
5
7
F
F
F
F
F
F
F
F
0
1
2
3
4
5
6
7
7
7
7
0
0
0
0
1
2
3
4
5
6
7
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
A
C
0
4
6
8
0
0
0
0
0
0
0
0
1
2
3
4
5
6
7
7
7
7
0
0
0
0
1
2
3
4
5
6
7
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
7
F
7
F
7
F
7
B
C
D
F
1
2
3
7
F
7
F
7
F
7
F
0
0
1
1
2
2
3
3
3
3
3
0
0
0
0
0
1
1
2
2
3
3
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
0
8
0
8
0
8
C
D
E
0
2
3
4
8
0
8
0
8
0
8
0
0
1
1
2
2
3
3
3
3
3
0
x
0
x
0
x
0
x
0
x
1
x
1
x
2
x
2
x
3
x
3
x
x
x
x
x
x
x
x
x
x
x
x
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
2
2
2
2
2
2
2
0
Table 1 defines the sector addresses and corre-
sponding address ranges for the top and bottom
boot block versions of the HY29F400.
相關PDF資料
PDF描述
HY29F400TT45 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400TT55 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400TT70 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400TT90 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400TR45 128 x 64 pixel format, White LED backlight
相關代理商/技術參數
參數描述
HY29F400BT-55 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:x8/x16 Flash EEPROM
HY29F400BT70 制造商:HYUNDAI 功能描述:New
HY29F400BT-70 制造商:Hyundai 功能描述:NOR Flash, 256K x 16, 48 Pin, Plastic, TSSOP
HY29F400BT90 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400BT-90 制造商:HYUNDAI 功能描述:NOR Flash, 256K x 16, 48 Pin, Plastic, TSSOP
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