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| 型號(hào)： | CY7C1516V18-278BZXC |
| 廠(chǎng)商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
| 中文描述： | 8M X 8 DDR SRAM, 0.45 ns, PBGA165 |
| 封裝： | 15 X 17 MM, 1.40 MM HEIGHT, LEAD FREE, MO-216, FBGA-165 |
| 文件頁(yè)數(shù)： | 11/28頁(yè) |
| 文件大?。?/td> | 457K |
| 代理商： | CY7C1516V18-278BZXC |
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CY7C1516V18
CY7C1527V18
CY7C1518V18
CY7C1520V18
Document #: 38-05563 Rev. *D
Page 11 of 28
Write Cycle Descriptions
[3, 9]
(CY7C1520V18)
BWS
0
L
BWS
1
L
BWS
2
L
BWS
3
L
K
K
Comments
L-H
–
During the Data portion of a Write sequence, all four bytes (D
[35:0]
) are
written into the device.
During the Data portion of a Write sequence, all four bytes (D
[35:0]
) are
written into the device.
During the Data portion of a Write sequence, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
will remain unaltered.
During the Data portion of a Write sequence, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[17:9]
) is
written into the device. D
[8:0]
and D
[35:18]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[17:9]
) is
written into the device. D
[8:0]
and D
[35:18]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[26:18]
) is
written into the device. D
[17:0]
and D
[35:27]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[26:18]
) is
written into the device. D
[17:0]
and D
[35:27]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
will remain unaltered.
No data is written into the device during this portion of a Write operation.
No data is written into the device during this portion of a Write operation.
L
L
L
L
–
L-H
L
H
H
H
L-H
–
L
H
H
H
–
L-H
H
L
H
H
L-H
–
H
L
H
H
–
L-H
H
H
L
H
L-H
–
H
H
L
H
–
L-H
H
H
H
L
L-H
H
H
H
L
–
L-H
H
H
H
H
H
H
H
H
L-H
–
–
L-H
Write Cycle Descriptions
[3, 9]
(CY7C1527V18)
BWS
0
L
K
K
Comments
L-H
–
During the Data portion of a Write sequence
,
the single byte (D
[8:0]
) is
written into the device.
During the Data portion of a Write sequence
,
the single byte (D
[8:0]
) is
written into the device.
No data is written into the device during this portion of a Write operation.
No data is written into the device during this portion of a Write operation.
L
–
L-H
H
H
L-H
–
–
L-H
Note:
9. Assumes a Write cycle was initiated per the Write Port Cycle Description Truth Table. NWS
0
, NWS
1,
BWS
0
, BWS
1,
BWS
2
and BWS
3
can be altered on different
portions of a write cycle, as long as the set-up and hold requirements are achieved.
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C1516V18-278BZXI | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
| CY7C1516V18-300BZC | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
| CY7C1520V18-167BZXC | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
| CY7C1520V18-167BZXI | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
| CY7C1520V18-200BZC | 72-Mbit DDR-II SRAM 2-Word Burst Architecture |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C1518-250BZC | 制造商:Cypress Semiconductor 功能描述: |
| CY7C1518AV18-167BZC | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M x 18 1.8V DDR II 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(fǎng)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 |
| CY7C1518AV18-250BZC | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M x 18 1.8V DDR II 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(fǎng)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 |
| CY7C1518AV18-250BZI | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M x 18 1.8V DDR II 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(fǎng)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 |
| CY7C1518AV18-250BZXI | 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 4M x 18 1.8V DDR II 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(fǎng)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 |
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