參數(shù)資料
型號： HY29F400BR-90
廠商： HYNIX SEMICONDUCTOR INC
元件分類： DRAM
英文描述： x8/x16 Flash EEPROM
中文描述： 256K X 16 FLASH 5V PROM, 90 ns, PDSO48
封裝： REVERSE, TSOP-48
文件頁數(shù)： 5/40頁
文件大?。?/td> 509K
代理商： HY29F400BR-90
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
e
D
r
o
t
e
S
e
z
S
B
)
W
K
/
K
(
s
s
e
r
d
d
A
r
o
t
e
S
e
g
d
n
a
o
M
R
s
s
e
e
t
B
r
d
d
A
e
2
e
g
d
n
o
a
M
R
d
s
s
e
r
o
r
W
d
e
d
A
3
]
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
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
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
HY29F400BT-45 x8/x16 Flash EEPROM
HY29F400BT-55 x8/x16 Flash EEPROM
HY29F400BT-70 x8/x16 Flash EEPROM
HY29F400BT-90 x8/x16 Flash EEPROM
HY29F400TG-45 x8/x16 Flash EEPROM
相關代理商/技術參數(shù)
參數(shù)描述
HY29F400BT45 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-45 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:x8/x16 Flash EEPROM
HY29F400BT55 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-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
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