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參數資料
型號: W28F641B
廠商: WINBOND ELECTRONICS CORP
英文描述: 64MBIT (4MBIT 】 16) PAGE MODE DUAL WORK FLASH MEMORY
中文描述: 64兆比特(的4Mb】16)頁模式的雙工作閃存
文件頁數: 17/31頁
文件大小: 389K
代理商: W28F641B
W28F641B/T
Publication Release Date: March 27, 2003
Capacitance
(1)
T
A
= +25
°
C, f = 1 MHz
PARAMETER
SYM.
TYP.
MAX.
UNIT
CONDITION
Input Capacitance
C
IN
6
8
pF
V
IN
= 0.0V
Output Capacitance
C
OUT
10
12
pF
V
OUT
= 0.0V
Note: Sampled, not 100% tested.
AC Input/Output Test Conditions
VDDQ
0.0
INPUT
VDDQ/2
OUTPUT
TEST POINTS
VDDQ/2
AC test inputs are driven at V
DDQ
(min) for a Logic "1" and 0.0V for a Logic "0".
Input timing begins, and output timing ends at V
DDQ
/2. Input rise and fall times (10% to 90%) < 5 nS.
Worst case speed conditions are when V
DD
= V
DD
(min).
Figure 5. Transient Input/Output Reference Waveform for V
DD
= 2.7V to 3.6V
VDDQ(min)/2
Includes Jig Capacitance
1N914
DEVICE
UNDER
TEST
OUT
=3.3K ohm
R
L
C
L
C
L
Figure 6. Transient Equivalent Testing Load Circuit
Table 13. Configuration Capacitance Loading Value
TEST CONFIGURATION
V
DD
= 2.7V to 3.6V
C
L
(PF)
50
- 17 -
Revision A3
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