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參數(shù)資料
型號: W28V400B
廠商: WINBOND ELECTRONICS CORP
英文描述: 4M(512K x 8/256K x 16) SMARTVOLTAGE FLASH MEMORY
中文描述: 4分(為512k × 8/256K × 16)SMARTVOLTA通用閃存
文件頁數(shù): 42/48頁
文件大小: 1822K
代理商: W28V400B
W28V400B/T
- 42 -
Block Erase And Word/Byte Write Performance(3)
V
DD
= 2.7V to 3.6V, T
A
= 0
°
C to +70
°
C
V
PP
= 2.7V
3.6V
V
PP
= 4.5V
5.5V
V
PP
= 11.4V
12.6V
SYM.
PARAMETER
NOTE
TYP.(1)
MAX.
TYP.(1)
MAX.
TYP.(1)
MAX.
UNIT
32K word Block
2
44.6
17.7
12.6
μ
S
Word/Byte Write
Time
4K word Block
2
45.9
26.1
24.5
μ
S
32K word Block
2, 4
1.46
0.58
0.42
S
t
WHQV1
t
EHQV1
Block Write Time
4K word Block
2, 4
0.19
0.11
0.11
S
32K word Block
2
1.14
0.61
0.51
S
t
WHQV2
t
EHQV2
Block Erase Time
4K word Block
2
0.38
0.32
0.31
S
t
WHRH1
t
EHRH1
t
WHRH2
t
EHRH2
Word/Byte Write Suspend Latency
Time to Read
7
8
6
8
6
7
μ
S
Erase Suspend Latency Time to
Read
18
22
11
14
11
14
μ
S
Note:
See 5V V
DD
Block Erase and Word/Byte Write Performance for Notes 1 through 4.
V
DD
= 3.3V
±
0.3V, T
A
= 0
°
C to +70
°
C
V
PP
= 2.7V
3.6V
V
PP
= 4.5V
5.5V
V
PP
= 11.4V
12.6V
SYM.
PARAMETER
NOTE
Typ.(1)
Max.
Typ.(1) Max.
Typ.(1)
Max.
UNIT
32K word Block
2
44
17.3
12.3
μ
S
Word/Byte Write
Time
4K word Block
2
45
25.6
24
μ
S
32K word Block
2, 4
1.44
0.57
0.41
S
t
WHQV1
t
EHQV1
Block Write Time
4K word Block
2, 4
0.19
0.11
0.1
S
32K word Block
2
1.11
0.59
0.5
S
t
WHQV2
t
EHQV2
Block Erase Time
4K word Block
2
0.37
0.31
0.3
S
t
WHRH1
t
EHRH1
t
WHRH2
t
EHRH2
Word/Byte Write Suspend Latency
Time to Read
6
7
5
7
5
6
μ
S
Erase Suspend Latency Time to
Read
16.2
20
9.6
12
9.6
12
μ
S
Note:
See 5V V
DD
Block Erase and Word/Byte Write Performance for Notes 1 through 4.
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