CY7C057 CYPRESS [Cypress Semiconductor], CY7C057 Datasheet - Page 16

• Manufacturer Part Number: CY7C057
• Description: 3.3V 16K/32K x 36 FLEx36 Asynchronous Dual-Port Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Switching Waveforms
Document #: 38-06055 Rev. **
Interrupt Timing Diagrams
Left Side Sets INT
Right
Right Side Sets INT
Left Side Clears INT
Notes:
42. t
43. t
ADDRESS
CE
ADDRESS
CE
ADDRESS
ADDRESS
CE
CE
0R
0R
0L
0L
HA
INS
Side Clears INT
, CE
, CE
,CE
, CE
R/W
R/W
R/W
R/W
INT
depends on which enable pin (CE
OE
or t
INT
OE
INT
INT
1R
1L
INR
1R
1L
L
R
R
L
L
L
R
R
R
R
L
R
L
L
depends on which enable pin (CE
R
L
:
L
:
R
:
:
(continued)
0L
t
INS
CHIP SELECT VALID
/CE
t
WRITE 3FFE (7FFE for CY7C057V)
WRITE 3FFF (7FFF for CY7C057V)
INS
[43]
1L
CHIP SELECT VALID
[43]
0L
or R/W
/CE
1L
L
or R/W
t
INR
) is deasserted first.
t
WC
[43]
L
) is asserted last.
t
WC
CHIP SELECT VALID
CHIP SELECT VALID
t
INR
t
t
[43]
HA
HA
[42]
[42]
(7FFF for CY7C057V)
(7FFF for CY7C057V)
READ 3FFE
READ 3FFF
t
t
RC
RC
CY7C056V
CY7C057V
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