參數(shù)資料
型號(hào): CY7C09379-6AC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 32K/64K X 16/18 Synchronous Dual Port Static RAM
中文描述: 32K X 18 DUAL-PORT SRAM, 15 ns, PQFP100
封裝: PLASTIC, TQFP-100
文件頁(yè)數(shù): 15/18頁(yè)
文件大小: 342K
代理商: CY7C09379-6AC
CY7C09279/89
CY7C09379/89
Document #: 38-06040 Rev. **
Page 15 of 18
Notes:
32.
X
=
Don
t Care,
H
= V
IH
,
L
= V
.
33. ADS, CNTEN, CNTRST =
Don
t Care.
34. OE is an asynchronous input signal.
35. When CE changes state in the pipelined mode, deselection and read happen in the following clock cycle.
36. CE
and OE = V
; CE
and R/W = V
.
37. Data shown for flow-through mode; pipelined mode output will be delayed by one cycle.
38. Counter operation is independent of CE
0
and CE
1
.
Read/Write and Enable Operation
[32, 33, 34]
Inputs
CE
0
H
Outputs
I/O
0
I/O
17
High-Z
OE
X
CLK
CE
1
X
R/W
X
Operation
Deselected
[35]
X
X
L
X
High-Z
Deselected
[35]
X
L
H
L
D
IN
Write
L
L
H
H
D
OUT
Read
[34]
H
X
L
H
X
High-Z
Outputs Disabled
Address Counter Control Operation
[32, 36, 37, 38]
Address
X
Previous
Address
X
CLK
ADS
X
CNTEN
X
CNTRST
L
I/O
Mode
Reset
Operation
D
out(0)
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
Counter Enabled
Internal Address
Generation
X
A
n
H
L
H
D
out(n+1)
Increment
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