CY7C006-15JC CYPRESS [Cypress Semiconductor], CY7C006-15JC Datasheet - Page 9

• Manufacturer Part Number: CY7C006-15JC
• Description: 16K x 8/9 Dual-Port Static RAM with Sem, Int, Busy
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Write Cycle No. 2: R/W Three-State Data I/Os (Either Port)
Semaphore Read After Write Timing, Either Side
Notes:
24. Data I/O pins enter high-impedance when OE is held LOW during write.
25. CE = HIGH for the duration of the above timing (both write and read cycle).
SEM OR CE
DATA OUT
ADDRESS
DATA IN
A
0
SEM
–A
R/W
R/W
I/O
OE
2
0
t
SA
(continued)
t
SA
VALID ADDRESS
t
AW
WRITE CYCLE
t
t
PWE
SCE
t
SD
DATA
t
IN
HA
t
[25]
VALID
SCE
t
HD
t
AW
t
HZWE
t
WC
t
[20, 22, 24]
SWRD
9
t
PWE
t
SOP
t
SOP
READ CYCLE
t
SD
t
VALID ADDRESS
AA
HIGH IMPEDANCE
DATA VALID
t
ACE
t
DOE
t
HD
t
LZWE
t
HA
DATA
OUT
VALID
t
OHA
CY7C006
CY7C016
C006-15
C006-14