HB28D096C6 HITACHI [Hitachi Semiconductor], HB28D096C6 Datasheet - Page 65

• Manufacturer Part Number: HB28D096C6
• Manufacturer: HITACHI [Hitachi Semiconductor]

Power on Reset Characteristics
All card status are reset automatically when V
Parameter
-CE setup time
VCC rising up time
Power on Reset Timing
Attention for Card Use
In the reset or power off, all register informations are cleared.
All card status are cleared automatically when V
Notice that the card insertion/removal should not be executed while host is active, if the card is used in
True IDE mode.
After the card hard reset, soft reset, or power on reset, ATA reset, command applied the card cannot
access during +RDY/-BSY pin is "low" level. Flash card can’t be operated in this case.
Card removal or power off should not be done during internal operations. When the removal or power off
occurrs during internal operation, there is a possibility that data are lost.
Before the card insertion V
inserted, supply V
-OE must be kept at the V
must be kept constantly at the GND level in True IDE mode.
We recommend that a circuit to detect the level of power supply voltage be added to the host.
When a read error occurs, rewriting of the sector is recommended. This may avoid the error.
CC
to the card.
-CE1, -CE2
CC
CC
level during power on reset in memory card mode and I/O card mode. -OE
can not be supplied to the card. After confirmation that -CD1, -CD2 pins are
Symbol
tsu(VCC)
tpr
V
cc
CC
voltage goes over about 2.3 V.
t
Min
100
0.1
pr
CC
voltage turns below about 2.5V.
t
su(
Typ
—
—
v
cc)
Max
—
100
Unit
ms
ms
HB28D096/032C6
Test conditions
65