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| 型號(hào)： | CY7C026AV-20AC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | SRAM |
| 英文描述： | 3.3V 4K/8K/16K x 16/18 Dual-Port Static RAM |
| 中文描述： | 16K X 16 DUAL-PORT SRAM, 20 ns, PQFP100 |
| 封裝： | PLASTIC, TQFP-100 |
| 文件頁(yè)數(shù)： | 7/19頁(yè) |
| 文件大?。?/td> | 241K |
| 代理商： | CY7C026AV-20AC |
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CY7C024AV/025AV/026AV
CY7C0241AV/0251AV/036AV
Document #: 38-06052 Rev. *E
Page 7 of 19
Table 1. Non-Contending Read/Write
Inputs
Outputs
Operation
CE
H
X
L
L
L
L
L
L
X
H
X
H
R/W
X
X
L
L
L
H
H
H
X
H
H
OE
X
X
X
X
X
L
L
L
H
L
L
X
UB
X
H
L
H
L
L
H
L
X
X
H
X
LB
X
H
H
L
L
H
L
L
X
X
H
X
SEM
H
H
H
H
H
H
H
H
X
L
L
L
I/O
9
–
I/O
17
High Z
High Z
Data In
High Z
Data In
Data Out
High Z
Data Out
High Z
Data Out
Data Out
Data In
I/O
0
–
I/O
8
High Z
High Z
High Z
Data In
Data In
High Z
Data Out
Data Out
High Z
Data Out
Data Out
Data In
Deselected: Power-Down
Deselected: Power-Down
Write to Upper Byte Only
Write to Lower Byte Only
Write to Both Bytes
Read Upper Byte Only
Read Lower Byte Only
Read Both Bytes
Outputs Disabled
Read Data in Semaphore Flag
Read Data in Semaphore Flag
Write D
IN0
into Semaphore Flag
X
X
H
H
L
Data In
Data In
Write D
IN0
into Semaphore Flag
L
L
X
X
X
X
L
X
X
L
L
L
Not Allowed
Not Allowed
Table 2. Interrupt Operation Example (assumes BUSY
L
= BUSY
R
= HIGH)
[9]
Left Port
OE
L
X
X
X
L
Right Port
OE
R
X
L
X
X
Function
R/W
L
L
X
X
X
CE
L
L
X
X
L
A
0
L
–13
L
FFF
[12]
X
X
1FFE
[12]
INT
L
X
X
L
[10]
H
[11]
R/W
R
X
X
L
X
CE
R
X
L
L
X
A
0R–13R
X
INT
R
L
[11]
H
[10]
X
X
Set Right INT
R
Flag
Reset Right INT
R
Flag
Set Left INT
L
Flag
Reset Left INT
L
Flag
FFF (or 1/3FFF)
1FFE (or 1/3FFE)
X
Table 3. Semaphore Operation Example
Function
I/O
0
–
I/O
17
Left
1
0
0
1
1
0
1
1
1
0
1
I/O
0
–
I/O
17
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
Notes:
9.
10. If BUSY
R
=L, then no change.
11.
If BUSY
=L, then no change.
12. See Functional Description for specific addresses by device.
See Functional Description for specific highest memory locations by device.
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| CY7C026AV-20AXC | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 3.3V 16Kx16 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 |
| CY7C026AV-20AXI | 功能描述:IC SRAM 256KBIT 20NS 100LQFP RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:RAM 存儲(chǔ)器類型:移動(dòng) SDRAM 存儲(chǔ)容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| CY7C026AV-25AC | 功能描述:3.3V 16KX16 DUAL-PORT SRAM RoHS:否 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:EEPROMs - 串行 存儲(chǔ)器類型:EEPROM 存儲(chǔ)容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 線串口 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-MFP 包裝:帶卷 (TR) |
| CY7C026AV-25ACKJ | 制造商:Cypress Semiconductor 功能描述: |
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