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參數資料
型號: W39V040FA
廠商: WINBOND ELECTRONICS CORP
英文描述: 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
中文描述: 為512k × 8的CMOS固件樞紐INERFACE閃存
文件頁數: 18/36頁
文件大小: 518K
代理商: W39V040FA
W39V040FA
- 18 -
Programmer Interface Mode AC Characteristics, continued
Read Cycle Timing Parameters
(V
DD
= 3.3V
±
0.3V, V
SS
= 0V, T
A
= 0 to 70
°
C)
W39V040FA
MIN.
300
50
50
-
-
0
-
0
PARAMETER
SYMBOL
MAX.
-
-
-
150
75
-
35
-
UNIT
Read Cycle Time
Row / Column Address Set Up Time
Row / Column Address Hold Time
Address Access Time
Output Enable Access Time
#OE Low to Active Output
#OE High to High-Z Output
Output Hold from Address Change
T
RC
nS
nS
nS
nS
nS
nS
nS
nS
T
AS
T
AH
T
AA
T
OE
T
OLZ
T
OHZ
T
OH
Write Cycle Timing Parameters
PARAMETER
SYMBOL
T
RST
T
AS
T
AH
T
CWH
T
WP
T
WPH
T
DS
T
DH
T
OEH
T
BP
T
PEC
T
EC
MIN.
1
50
50
50
100
100
50
50
0
-
-
-
TYP.
-
-
-
-
-
-
-
-
-
35
20
75
MAX.
-
-
-
-
-
-
-
-
-
50
25
100
UNIT
μ
S
nS
nS
nS
nS
nS
nS
nS
nS
μ
S
mS
mS
Reset Time
Address Setup Time
Address Hold Time
R/#C to Write Enable High Time
#WE Pulse Width
#WE High Width
Data Setup Time
Data Hold Time
#OE Hold Time
Byte programming Time
Sector/Page Erase Cycle Time
Chip Erase Cycle Time
Note: All AC timing signals observe the following guidelines for determining setup and hold times:
(a) High level signal's reference level is input high and (b) low level signal's reference level is input low.
Ref. to the AC testing condition.
Data Polling and Toggle Bit Timing Parameters
W39V040FA
MIN.
-
-
UNIT
nS
nS
PARAMETER
SYMBOL
MAX.
40
40
#OE to Data Polling Output Delay
#OE to Toggle Bit Output Delay
T
OEP
T
OET
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