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參數(shù)資料
型號: W49V002FAP
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 256K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE
中文描述: 256K X 8 FLASH 3.3V PROM, 11 ns, PQCC32
封裝: PLASTIC, LCC-32
文件頁數(shù): 16/32頁
文件大小: 300K
代理商: W49V002FAP
W49V002FA
- 16 -
Programmer Interface Mode AC Characteristics, continued
AC Characteristics
Read Cycle Timing Parameters
(V
DD
= 3.3V
±
5%, V
GND
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
SYMBOL
T
RC
T
AS
T
AH
T
AA
T
OE
T
OLZ
T
OHZ
T
OH
W49V002FA
MIN.
300
50
50
-
-
0
-
0
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
MAX.
-
-
-
200
100
-
50
-
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
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
EC
MIN.
1
50
50
50
100
100
50
50
0
-
-
TYP.
-
-
-
-
-
-
-
-
-
50
0.15
MAX.
-
-
-
-
-
-
-
-
-
100
0.2
UNIT
μ
S
nS
nS
nS
nS
nS
nS
nS
nS
μ
S
S
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
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
PARAMETER
SYMBOL
T
OEP
T
OET
W49V002FA
MIN.
-
-
UNIT
nS
nS
MAX.
40
40
#OE to Data Polling Output Delay
#OE to Toggle Bit Output Delay
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