參數(shù)資料
型號: CY7C09379V
廠商: Cypress Semiconductor Corp.
英文描述: 3.3V 32K x18 Synchronous Dual Port Static RAM(3.3V 32K x 18 同步雙端口靜態(tài) RAM)
中文描述: 3.3 32K的x18同步雙端口靜態(tài)RAM(3.3 32K的× 18同步雙端口靜態(tài)RAM)的
文件頁數(shù): 15/19頁
文件大?。?/td> 783K
代理商: CY7C09379V
CY7C09269V/79V/89V
CY7C09369V/79V/89V
Document #: 38-06056 Rev. *B
Page 15 of 19
Notes:
35.“X” = “Don’t Care”, “H” = V
, “L” = V
.
36.ADS, CNTEN, CNTRST = “Don’t Care”.
37.OE is an asynchronous input signal.
38.When CE changes state In the pipelined mode, deselection and read happen in the following clock cycle.
39.CE
and OE = V
; CE
and R/W = V
.
40.Data shown for flow-through mode; pipelined mode output will be delayed by one cycle.
41.Counter operation is independent of CE
0
and CE
1
.
Read/Write and Enable Operation
[35, 36, 37]
Inputs
Outputs
OE
CLK
CE
0
H
CE
1
X
R/W
I/O
0
I/O
17
High-Z
Operation
X
X
Deselected
[38]
X
X
L
X
High-Z
Deselected
[38]
X
L
H
L
D
IN
Write
L
L
H
H
D
OUT
Read
[35]
H
X
L
H
X
High-Z
Outputs Disabled
Address Counter Control Operation
[35, 39, 40, 41]
Address
Previous
Address
CLK
ADS
CNTEN
CNTRST
I/O
Mode
Operation
X
X
X
X
L
D
out(0)
Reset
Counter Reset to Address 0
A
n
X
L
X
H
D
out(n)
Load
Address Load into Counter
X
A
n
H
H
H
D
out(n)
Hold
External Address Blocked—Counter
Disabled
X
A
n
H
L
H
D
out(n+1)
Increment
Counter Enabled—Internal Address
Generation
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