cym1838hg-35mb Cypress Semiconductor Corporation., cym1838hg-35mb Datasheet - Page 4
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cym1838hg-35mb
Manufacturer Part Number
cym1838hg-35mb
Description
128k X 32 Static Ram Module
Manufacturer
Cypress Semiconductor Corporation.
Datasheet
1.CYM1838HG-35MB.pdf
(6 pages)
Switching Waveforms
Write Cycle No. 1 (WE Controlled)
Read Cycle No. 2
Note:
10. Data I/O will be high impedance if OE = V
9.
ADDRESS
DATA OUT
DATAI/O
DATA IN
Address valid prior to or coincident with CS transition LOW.
WE
CS
CS
OE
[7,9]
HIGH IMPEDANCE
(continued)
t
LZCS
t
DATA UNDEFINED
SA
[6,10]
t
ACS
IH
t
LZOE
.
PRELIMINARY
t
DOE
t
SCS
t
AW
t
RC
t
WC
4
t
HZWE
DATA VALID
t
PWE
t
SD
DATA VALID
HIGH IMPEDANCE
t
HD
t
LZWE
t
HA
t
HZOE
t
HZCS
IMPEDANCE
CYM1838
HIGH
1838–7
1838–6