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CY7C131-55JXI
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
CY7C130, CY7C130A
CY7C131, CY7C131A
Document Number: 38-0600
2 Rev
. *H
Page 13 of 22
Figure 10. Busy Timing Diagram No. 1 (CE
Arbitration)
Figure 1
1. Busy Timing Diagram No. 2 (Address Arbitratio
n)
Switching W
aveforms
(continued)
ADDRESS MA
TCH
t
PS
CE
L
V
alid First:
t
BLC
t
BHC
ADDRESS MA
TCH
t
PS
t
BLC
t
BHC
ADDRESS
L,
R
BUSY
R
CE
L
CE
R
BUSY
L
CE
R
CE
L
ADDRESS
L,R
CE
R
V
alid First:
Left Address V
a
lid First:
ADDRESS MA
TCH
t
PS
ADDRESS
L
BUSY
R
ADDRESS MISMA
TCH
t
RC
or t
WC
t
BLA
t
BHA
ADDRESS
R
ADDRESS MA
TCH
ADDRESS MISMA
TCH
t
PS
ADDRESS
L
BUSY
L
t
RC
or t
WC
t
BLA
t
BHA
ADDRESS
R
Right Address V
alid First:
CY7C130, CY7C130A
CY7C131, CY7C131A
Document Number: 38-0600
2 Rev
. *H
Page 14 of 22
Figure 12. B
usy Timing Diagram No. 3
Switching W
aveforms
(continued)
t
PWE
t
WB
t
WH
Write with BUSY
(Slave:CY7C140/CY7C141)
BUSY
R/W
CE
CY7C130, CY7C130A
CY7C131, CY7C131A
Document Number: 38-0600
2 Rev
. *H
Page 15 of 22
Figure 13. Interrupt Timing Diagrams
Switching W
aveforms
(continued)
WRITE 3FF
t
INS
t
WC
t
EINS
Right Side Clears INT
R
t
HA
t
SA
t
WINS
READ 3FF
t
RC
t
EINR
t
HA
t
INT
t
OINR
WRITE 3FE
t
INS
t
WC
t
EINS
t
HA
t
SA
t
WINS
Right Side Sets INT
L
Left Side Set
s INT
R
Left Side Clears INT
L
READ 3FE
t
EINR
t
HA
t
INR
t
OINR
t
RC
ADDR
R
CE
L
R/W
L
INT
L
OE
L
ADDR
R
R/W
R
CE
R
INT
L
ADDR
R
CE
R
R/W
R
INT
R
OE
R
ADDR
L
R/W
L
CE
L
INT
R
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
CY7C131-55JXI
Mfr. #:
Buy CY7C131-55JXI
Manufacturer:
Cypress Semiconductor
Description:
IC SRAM 8K PARALLEL 52PLCC
Lifecycle:
New from this manufacturer.
Delivery:
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TNT
EMS
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