Cypress Semiconductor CY62148EV30 Hoja de especificaciones - Página 7

Navegue en línea o descargue pdf Hoja de especificaciones para Hardware informático Cypress Semiconductor CY62148EV30. Cypress Semiconductor CY62148EV30 13 páginas. Mobl 4-mbit (512k x 8) static ram

Switching Waveforms
ADDRESS
CE
WE
DATA IO
ADDRESS
CE
t
SA
WE
NOTE 21
DATA IO

Truth Table

CE
WE
OE
H
X
X
L
H
L
L
H
H
L
L
X
Document #: 38-05576 Rev. *G
(continued)
Figure 4. Write Cycle No. 2 (CE Controlled)
t
SA
t
AW
Figure 5. Write Cycle No. 3 (WE Controlled, OE LOW)
t
SCE
t
AW
t
HZWE
Inputs/Outputs
High Z
Data Out
High Z
Data in
[19, 20]
t
WC
t
SCE
t
PWE
t
SD
DATA VALID
t
WC
t
PWE
t
SD
DATA VALID
Mode
Deselect/Power down
Read
Output Disabled
Write
®
MoBL
CY62148EV30
t
HA
t
HD
[20]
t
HA
t
HD
t
LZWE
Power
Standby (I
)
SB
Active (I
)
CC
Active (I
)
CC
Active (I
)
CC
Page 7 of 12
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