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參數資料
| 型號： | W49F002 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 256K X 8 CMOS FLASH MEMORY |
| 中文描述： | 256K × 8的CMOS閃存 |
| 文件頁數： | 14/23頁 |
| 文件大小： | 303K |
| 代理商： | W49F002 |
W49F002U
- 14 -
AC Characteristics, continued
Read Cycle Timing Parameters
(V
CC
= 5.0V
±
10
%
, V
CC
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
SYM. W49F002U-70 W49F002U-90 W49F002U-120 UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read Cycle Time
T
RC
70
-
90
-
120
-
nS
Chip Enable Access Time
T
CE
-
70
-
90
-
120
nS
Address Access Time
T
AA
-
70
-
90
-
120
nS
Output Enable Access Time
T
OE
-
35
-
40
-
50
nS
CE Low to Active Output
T
CLZ
0
-
0
-
0
-
nS
OE Low to Active Output
T
OLZ
0
-
0
-
0
-
nS
CE
High to High-Z Output
T
CHZ
-
25
-
25
-
30
nS
OE
High to High-Z Output
T
OHZ
-
25
-
25
-
30
nS
Output Hold from Address Change
T
OH
0
-
0
-
0
-
nS
Write Cycle Timing Parameters
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Address Setup Time
T
AS
0
-
-
nS
Address Hold Time
T
AH
50
-
-
nS
WE and CE Setup Time
T
CS
0
-
-
nS
WE and CE Hold Time
T
CH
0
-
-
nS
OE
High Setup Time
T
OES
0
-
-
nS
OE
High Hold Time
T
OEH
0
-
-
nS
CE
Pulse Width
T
CP
100
-
-
nS
WE Pulse Width
T
WP
100
-
-
nS
WE High Width
T
WPH
100
-
-
nS
Data Setup Time
T
DS
50
-
-
nS
Data Hold Time
T
DH
10
-
-
nS
Byte Programming Time
T
BP
-
35
50
μ
S
Erase Cycle Time
T
EC
-
0.1
0.2
S
Note: All AC timing signals observe the following guidelines for determining setup and hold times:
(a) High level signal's reference level is V
IH
and (b) low level signal's reference level is V
IL
.
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PDF描述 |
|---|---|
| W49F002U-12B | MB 32C 32#20 SKT RECP |
| W49F002U-70B | 256K X 8 CMOS FLASH MEMORY |
| W49F002U-90B | 256K X 8 CMOS FLASH MEMORY |
| W49F002UT12B | 256K X 8 CMOS FLASH MEMORY |
| W49F002UT70B | Reed Relay; Contacts:SPST; Contact Carry Current:2A; Coil Voltage DC Max:12V; Relay Terminals:PCB; Switching Current Max:0.5A; Switching Voltage Max:200V; Contact Carrying Power:10W; Leaded Process Compatible:Yes; Mounting Type:PCB RoHS Compliant: Yes |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W49F002U | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F002U-12B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F002U-70B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F002U-90B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
| W49F002UP12B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 CMOS FLASH MEMORY |
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