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參數(shù)資料
型號(hào): W49V002FAQ
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 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, PDSO32
封裝: 8 X 14 MM, STSOP-32
文件頁(yè)數(shù): 21/32頁(yè)
文件大小: 300K
代理商: W49V002FAQ
W49V002FA
Publication Release Date: February 19, 2002
- 21 -
Revision A2
FWH INTERFACE MODE AC CHARACTERISTICS
AC Test Conditions
PARAMETER
CONDITIONS
Input Pulse Levels
Input Rise/Fall Slew Rate
Input/Output Timing Level
Output Load
0.6 V
DD
to 0.2 V
DD
1 V/nS
0.4 V
DD
/ 0.4 V
DD
1 TTL Gate and C
L
= 10 pF
AC Test Load and Waveform
D
OUT
10 pF
V
DD
Input
Test Point
Test Point
Output
0.2V
DD
0.6V
DD
0.4V
DD
0.4V
DD
D
OUT
10 pF
25
25
Test when output from low to high
Test when output from high to low
Read/Write Cycle Timing Parameters
(V
DD
= 3.3V
±
5%, V
GND
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
SYMBOL
T
CYC
T
SU
T
HD
T
KQ
W49V002FA
MIN.
30
7
0
-
UNIT
nS
nS
nS
nS
MAX.
-
-
-
11
Clock Cycle Time
Input Set Up Time
Input Hold Time
Clock to Data Valid
Reset Timing Parameters
PARAMETER
SYM.
T
PRST
T
KRST
T
RSTP
T
RSTF
T
RST
MIN.
1
100
100
-
1
TYP.
-
-
-
-
-
MAX.
-
-
-
50
-
UNIT
mS
μ
S
nS
nS
μ
S
V
DD
stable to Reset Active
Clock Stable to Reset Active
Reset Pulse Width
Reset Active to Output Float
Reset Inactive to Input Active
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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