Cypress Semiconductor CY7C0251AV Ficha de especificações - Página 16
Procurar online ou descarregar pdf Ficha de especificações para Hardware informático Cypress Semiconductor CY7C0251AV. Cypress Semiconductor CY7C0251AV 20 páginas. 3.3v 4k/8k/16k x 16/18 dual-port static ram
Switching Waveforms
Left Side Sets INT
:
R
ADDRESS
L
CE
L
R/W
L
INT
R
Right Side Clears INT
:
R
ADDRESS
R
CE
R
R/W
R
OE
R
INT
R
Right Side Sets INT
:
L
ADDRESS
R
CE
R
R/W
R
INT
L
Left Side Clears INT
:
L
ADDRESS
R
CE
L
R/W
L
OE
L
INT
L
Notes
49. t
depends on which enable pin (CE
HA
50. t
or t
depends on which enable pin (CE
INS
INR
Document #: 38-06052 Rev. *J
(continued)
Figure 16. Interrupt Timing Diagram
t
WC
WRITE 1FFF (OR 1/3FFF)
[49]
t
HA
[50]
t
INS
[50]
t
INR
t
WC
WRITE 1FFE (OR 1/3FFE)
[49]
t
HA
[50]
t
INS
[50]
t
INR
or R/W
) is deasserted first.
L
L
or R/W
) is asserted last.
L
L
CY7C024AV/024BV/025AV/026AV
CY7C0241AV/0251AV/036AV
t
RC
READ 7FFF
(OR 1/3FFF)
t
RC
READ 7FFE
OR 1/3FFE)
Page 16 of 19
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