參數(shù)資料
型號(hào): CY7C006AV
廠商: Cypress Semiconductor Corp.
英文描述: Safety Sign; Legend:Notice Employees Only; External Height:10"; External Width:14"; Body Material:Aluminum; Color:Blue/Black RoHS Compliant: NA
中文描述: 3.3 4K/8K/16K/32K x 8月9日雙端口靜態(tài)存儲(chǔ)器
文件頁(yè)數(shù): 16/20頁(yè)
文件大?。?/td> 301K
代理商: CY7C006AV
CY7C138AV/144AV/006AV
CY7C139AV/145AV/016AV
CY7C007AV/017AV
Document #: 38-06051 Rev. *A
Page 16 of 20
Table 1. Non-Contending Read/Write
Inputs
Outputs
I/O
0
I/O
8
High Z
Data Out
High Z
Data In
CE
H
H
X
H
R/W
X
H
X
OE
X
L
H
X
SEM
H
L
X
L
Operation
Deselected: Power-Down
Read Data in Semaphore Flag
I/O Lines Disabled
Write into Semaphore Flag
L
L
L
H
L
X
L
X
X
H
H
L
Data Out
Data In
Read
Write
Not Allowed
Table 2. Interrupt Operation Example (assumes BUSY
L
=BUSY
R
=HIGH)
Left Port
Right Port
Function
R/W
L
CE
L
OE
L
A
0
L
14
L
FFF
[45]
INT
L
R/W
R
X
CE
R
X
OE
R
X
A
0R
14R
X
INT
R
L
[46]
Set Right INT
R
Flag
L
L
X
X
Reset Right INT
R
Flag
X
X
X
X
X
X
L
L
FFF
[45]
H
[47]
Set Left INT
L
Flag
Reset Left INT
L
Flag
X
X
X
X
L
[47]
H
[46]
L
L
X
1FFE
[45]
X
X
L
L
1FFE
[45]
X
X
X
X
X
Table 3. Semaphore Operation Example
Function
I/O
0
I/O
8
Left
1
0
0
1
1
0
1
1
1
0
1
I/O
0
I/O
8
Right
1
1
1
0
0
1
1
0
1
1
1
Status
No action
Left port writes 0 to semaphore
Right port writes 0 to semaphore
Left port writes 1 to semaphore
Left port writes 0 to semaphore
Right port writes 1 to semaphore
Left port writes 1 to semaphore
Right port writes 0 to semaphore
Right port writes 1 to semaphore
Left port writes 0 to semaphore
Left port writes 1 to semaphore
Semaphore free
Left Port has semaphore token
No change. Right side has no write access to semaphore
Right port obtains semaphore token
No change. Left port has no write access to semaphore
Left port obtains semaphore token
Semaphore free
Right port has semaphore token
Semaphore free
Left port has semaphore token
Semaphore free
Note:
45. See Functional Description for specific addresses by device part number.
46. If BUSY
L
= L, then no change.
47. If BUSY
R
= L, then no change.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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CY7C006AV-25AXC 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 3.3V 16Kx8 COM Dual Port 靜態(tài)隨機(jī)存取存儲(chǔ)器 RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問(wèn)時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray