CY7C019V-25AC Cypress Semiconductor Corp, CY7C019V-25AC Datasheet - Page 13

• Manufacturer Part Number: CY7C019V-25AC
• Description: SRAM Chip Async Dual 3.3V 1.125M-Bit 128K x 9-Bit 25ns 100-Pin TQFP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C019V-25AC

• Package: 100TQFP
• Timing Type: Asynchronous
• Density: 1.125 Mb
• Typical Operating Supply Voltage: 3.3 V
• Address Bus Width: 17 Bit
• Number Of I/o Lines: 9 Bit
• Number Of Ports: 2
• Number Of Words: 128K

Document #: 38-06044 Rev. *C
Switching Waveforms
Right Side Clears INT
Right Side Sets INT
Interrupt Timing Diagrams
Left Side Sets INT
Right Side Clears INT
Notes:
38. t
39. t
ADDRESS
ADDRESS
ADDRESS
ADDRESS
HA
INS
depends on which enable pin (CE
R/W
or t
R/W
R/W
R/W
INT
INT
CE
OE
INT
OE
INT
CE
CE
CE
INR
L
L
L
L
R
R
R
R
R
R
R
L
L
R
L
R
R
L
depends on which enable pin (CE
R
:
L
:
L
R
:
:
(continued)
t
INS
L
WRITE FFFE (1FFFF for CY7C009V/19V)
t
WRITE FFFF (1FFFF for CY7C009V/19V)
INS
or R/W
[39]
[39]
L
L
or R/W
) is deasserted first.
t
INR
t
WC
L
[39]
) is asserted last.
t
WC
t
INR
t
t
[39]
HA
HA
[38]
[38]
(1FFFF for CY7C009V/19V)
(1FFFF for CY7C009V/19V)
READ 1FFE
READ FFFF
t
t
RC
RC
CY7C008V/009V
CY7C018V/019V
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