CY7C130-30PI CYPRESS [Cypress Semiconductor], CY7C130-30PI Datasheet - Page 8

• Manufacturer Part Number: CY7C130-30PI
• Description: 1K x 8 Dual-Port Static Ram
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Note:
Write Cycle No. 2 (R/W Three-States Data I/Os - Either Port)
Busy Timing Diagram No. 1 (CE Arbitration)
CE
CE
23. If the CE LOW transition occurs simultaneously with or after the R/W LOW transition, the outputs remain in the high-impedance state
ADDRESS
ADDRESS
ADDRESS
L
R
DATA
DATA
Valid First:
Valid First:
BUSY
BUSY
R/W
OUT
CE
CE
CE
CE
CE
L,R
IN
L, R
R
R
R
L
L
L
(continued)
t
SA
t
t
PS
PS
ADDRESS MATCH
ADDRESS MATCH
t
SCE
t
AW
Either Port
t
t
BLC
BLC
t
t
HZWE
WC
8
t
PWE
[16, 23]
HIGH IMPEDANCE
t
DATA VALID
SD
t
t
BHC
BHC
t
HD
t
LZWE
t
CY7C130/CY7C131
CY7C140/CY7C141
HA
C130-11
C130-12
C130-13