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參數(shù)資料
| 型號： | 7P080ATA2003C25 |
| 英文描述： | Flash Memory Card(80M位閃速存儲器卡) |
| 中文描述： | 閃存卡（80米位閃速存儲器卡） |
| 文件頁數(shù)： | 59/66頁 |
| 文件大?。?/td> | 585K |
| 代理商： | 7P080ATA2003C25 |
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7PxxxATA20xxC25
June 2000 Rev. 5 – ECO #12935
59
White Electronic Designs Corporation
(508) 366-5151
Power on Reset Characteristics
All card status are reset automatically when V
CC
voltage goes over about 2.3 V.
Parameter
Symbol
Min
Typ
Max
Unit
Test conditions
-CE setup time
tsu(VCC)
100
—
—
ms
VCC rising up time
tpr
0.1
—
100
ms
Power on Reset Timing
Attention for Card Use
In the reset or power off, all register information is cleared.
All card status are cleared automatically when Vcc voltage turns below about 2.5V.
After the card hard reset, soft reset, or power on reset, the card cannot access during +READY pin is
"low" level.
Please notice that the card insertion/removal should be executed after card internal operations are
completed (status register bit 7 turns from "1" to "0").
Unused pins of data bus (D0 to D15) signals should not be opened.
V
CC
should not be supplied to the card until it is completely inserted. After confirmation that the –CD1
and –CD2 pins are inserted V
CC
can be supplied to the card. Only use drives that will wait until the
card is completely inserted to supply V
CC
.
-OE must be kept at the V
CC
level during power on reset in Memory Card Mode. –OE must be kept
constantly at the GND level in True IDE Mode.
t
su(Vcc)
t
pr
Vcc
-CE1, -CE2
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