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參數資料
型號: W39V040FAT
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE
中文描述: 512K X 8 FLASH 3.3V PROM, 11 ns, PDSO40
封裝: 10 X 20 MM, TSOP-40
文件頁數: 23/36頁
文件大小: 518K
代理商: W39V040FAT
W39V040FA
Publication Release Date: December 19, 2002
- 23 -
Revision A2
10. FWH INTERFACE MODE AC CHARACTERISTICS
AC Test Conditions
PARAMETER
CONDITIONS
Input Pulse Levels
0.6 V
DD
to 0.2 V
DD
Input Rise/Fall Slew Rate
1 V/nS
Input/Output Timing Level
0.4V
DD
/ 0.4V
DD
Output Load
1 TTL Gate and C
L
= 10 pF
Read/Write Cycle Timing Parameters
(V
DD
= 3.3V
±
0.3V, V
SS
= 0V, T
A
= 0 to 70
°
C)
W39V040FA
PARAMETER
SYMBOL
MIN.
MAX.
UNIT
Clock Cycle Time
T
CYC
30
-
nS
Input Set Up Time
T
SU
7
-
nS
Input Hold Time
T
HD
0
-
nS
Clock to Data Valid
T
KQ
2
11
nS
Note: Minimum and Maximum time has different loads. Please refer to PCI specification.
Reset Timing Parameters
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
V
DD
stable to Reset Active
T
PRST
1
-
-
mS
Clock Stable to Reset Active
T
KRST
100
-
-
μ
S
Reset Pulse Width
T
RSTP
100
-
-
nS
Reset Active to Output Float
T
RSTF
-
-
50
nS
Reset Inactive to Input Active
T
RST
10
-
-
μ
S
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.
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