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參數(shù)資料
| 型號： | CY7C007AV-20JC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | Safety Sign; Legend:Warning Electrical Hazard Authorized Personnel Only; External Height:10"; External Width:14"; Body Material:Aluminum; Color:Orange/Black RoHS Compliant: NA |
| 中文描述： | 32K X 8 DUAL-PORT SRAM, 20 ns, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大小： | 301K |
| 代理商： | CY7C007AV-20JC |
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C007AV-20JI | Safety Sign; Legend:19; External Height:10"; External Width:14"; Body Material:Aluminum; Color:Orange/Black RoHS Compliant: NA |
| CY7C007AV-25JC | Safety Sign; Legend:Authorized Personnel Only; External Height:10"; External Width:14"; Body Material:Aluminum; Color:Red/White RoHS Compliant: NA |
| CY7C1360B-225BZC | 9-Mbit (256K x 36/512K x 18) Pipelined SRAM |
| CY7C43646AV-15AC | 3.3V 1K 4K 16K x 36 x 18 x 2 Tri Bus FIFO |
| CY7C43666AV-15AC | 3.3V 1K 4K 16K x 36 x 18 x 2 Tri Bus FIFO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C007AV-20JI | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:3.3V 4K/8K/16K/32K x 8/9 Dual-Port Static RAM |
| CY7C007AV-25JC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:3.3V 4K/8K/16K/32K x 8/9 Dual-Port Static RAM |
| CY7C008 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:64K/128K x 8/9 Dual-Port Static RAM |
| CY7C008_05 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:64K/128K x 8/9 Dual-Port Static RAM |
| CY7C008-12AC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:64K/128K x 8/9 Dual-Port Static RAM |
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