CYM1465ALPD-70I CYPRESS [Cypress Semiconductor], CYM1465ALPD-70I Datasheet - Page 5
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CYM1465ALPD-70I
Manufacturer Part Number
CYM1465ALPD-70I
Description
512K x 8 PDIP Static RAM
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CYM1465ALPD-70I.pdf
(7 pages)
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Switching Waveforms
Truth Table
Document #: 38-05269 Rev. **
Write Cycle No. 2 (CE Controlled)
Write Cycle No. 1 (WE Controlled)
Note:
CE
DATA OUT
DATA OUT
ADDRESS
9.
ADDRESS
H
L
L
L
DATA IN
DATA IN
If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
Inputs
WE
WE
CE
CE
WE
H
H
X
L
OE
X
X
H
L
High Z
Data Out
Data In
High Z
Output
(continued)
DATA UNDEFINED
t
DATA UNDEFINED
Deselect/Power-Down
Read Word
Write Word
Deselect
SA
[4]
[4,9]
t
SA
Mode
t
SCE
t
t
AW
AW
t
t
WC
WC
t
HZWE
t
HZWE
DATA VALID
t
DATA VALID
t
PWE
PWE
t
t
t
SCE
SD
SD
HIGH IMPEDANCE
HIGH IMPEDANCE
t
t
HD
HD
t
LZWE
t
t
HA
HA
CYM1465A
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