cy62128ev30 Cypress Semiconductor Corporation., cy62128ev30 Datasheet - Page 7

• Manufacturer Part Number: cy62128ev30
• Description: Mobl 1 Mbit 128k X 8 Static Ram
• Manufacturer: Cypress Semiconductor Corporation.

Switching Waveforms
Table 2. Truth Table for CY62128EV30
Document #: 38-05579 Rev. *D
CE
H
X
L
L
L
ADDRESS
ADDRESS
DATA IO
DATA IO
1
CE
WE
WE
CE
CE
X
H
H
H
L
2
WE
X
X
H
H
L
NOTE 20
OE
X
X
H
X
t
L
SA
Figure 5. Write Cycle No. 2 (CE1 or CE2 controlled)
(continued)
High Z
High Z
Data Out
High Z
Data in
Figure 6. Write Cycle No. 3 (WE controlled, OE LOW)
t
HZWE
Inputs/Outputs
t
SA
t
AW
t
AW
t
SCE
t
t
WC
WC
Deselect/Power Down
Deselect/Power Down
Read
Output Disabled
Write
t
PWE
t
PWE
t
DATA VALID
DATA VALID
t
SCE
SD
t
SD
Mode
[10, 14, 18, 19]
[10, 19]
t
HD
t
t
HA
LZWE
t
HA
t
HD
Standby (I
Standby (I
Active (I
Active (I
Active (I
CY62128EV30
CC
CC
CC
Power
SB
SB
)
)
)
)
)
Page 7 of 11
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