參數(shù)資料
型號(hào): CY7C09269V
廠商: Cypress Semiconductor Corp.
英文描述: 3.3V 16K x16 Synchronous Dual Port Static RAM(3.3V 16K x 16 同步雙端口靜態(tài) RAM)
中文描述: 3.3 16K的x16同步雙端口靜態(tài)RAM(3.3 16K的× 16同步雙端口靜態(tài)RAM)的
文件頁(yè)數(shù): 9/19頁(yè)
文件大?。?/td> 783K
代理商: CY7C09269V
CY7C09269V/79V/89V
CY7C09369V/79V/89V
Document #: 38-06056 Rev. *B
Page 9 of 19
Bank Select Pipelined Read
[21, 22]
Left Port Write to Flow-Through Right Port Read
[23, 24, 25, 26]
Notes:
21.In this depth expansion example, B1 represents Bank #1 and B2 is Bank #2; Each Bank consists of one Cypress dual-port device from this datasheet.
ADDRESS
= ADDRESS
.
22.UB, LB, OE and ADS = V
; CE
, CE
, R/W, CNTEN, and CNTRST = V
IH
.
23.The same waveforms apply for a right port write to flow-through left port read.
24.CE
, UB, LB, and ADS = V
; CE
, CNTEN, and CNTRST = V
IH
.
25.OE = V
IL
for the Right Port, which is being read from. OE = V
for the Left Port, which is being written to.
26.It t
maximum specified, then data from right port READ is not valid until the maximum specified for t
CWDD
. If t
CCS
>maximum specified, then data is not valid
until t
CCS
+ t
CD1
. t
CWDD
does not apply in this case.
Switching Waveforms
(continued)
D
3
D
1
D
0
D
2
A
0
A
1
A
2
A
3
A
4
A
5
D
4
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
t
SC
t
HC
t
SA
t
HA
t
SC
t
HC
t
SC
t
HC
t
SC
t
HC
t
CKHZ
t
DC
t
DC
t
CD2
t
CKLZ
t
CD2
t
CD2
t
CKHZ
t
CKLZ
t
CD2
t
CKHZ
t
CKLZ
t
CD2
t
CH2
t
CL2
t
CYC2
CLK
L
ADDRESS
(B1)
CE
0(B1)
DATA
OUT(B2)
DATA
OUT(B1)
ADDRESS
(B2)
CE
0(B2)
t
SA
t
HA
t
SW
t
HW
t
SD
t
HD
MATCH
VALID
t
CCS
t
SW
t
SA
t
HW
t
HA
t
DC
t
CWDD
t
CD1
MATCH
MATCH
NO
MATCH
NO
VALID
VALID
t
DC
t
CD1
CLK
L
R/W
L
ADDRESS
L
DATA
INL
ADDRESS
R
DATA
OUTR
CLK
R
R/W
R
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