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參數(shù)資料
| 型號： | CY7C1338G |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 4-Mbit (128K x 32) Flow-Through Sync SRAM(4-Mb (128K x 32)流通式同步SRAM) |
| 中文描述： | 4兆位（128K的× 32）流量，通過同步靜態(tài)存儲器（4字節(jié)（128K的× 32）流通式同步靜態(tài)存儲器） |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 365K |
| 代理商： | CY7C1338G |
CY7C1338G
Document #: 38-05521 Rev. *D
Page 6 of 17
Truth Table
[2, 3, 4, 5, 6]
Cycle Description
Address
Used
None
None
None
None
None
None
External
External
External
External
External
Next
Next
Next
Next
Next
Next
Current
Current
Current
Current
Current
Current
CE
1
CE
2
CE
3
ZZ ADSP ADSC
H
X
X
L
L
L
X
L
L
X
H
L
L
L
X
L
X
X
X
L
X
X
X
H
L
H
L
L
L
H
L
L
L
H
L
L
L
H
L
L
L
H
L
L
X
X
X
L
X
X
X
L
H
X
X
L
H
X
X
L
X
X
X
L
H
X
X
L
X
X
X
L
X
X
X
L
H
X
X
L
H
X
X
L
X
X
X
L
H
X
X
L
ADV
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
H
H
H
H
H
H
WRITE OE CLK
X
X
X
X
X
X
X
X
L
H
H
H
H
H
H
L
L
H
H
H
H
L
L
DQ
Deselected Cycle, Power-down
Deselected Cycle, Power-down
Deselected Cycle, Power-down
Deselected Cycle, Power-down
Deselected Cycle, Power-down
Sleep Mode, Power-down
Read Cycle, Begin Burst
Read Cycle, Begin Burst
Write Cycle, Begin Burst
Read Cycle, Begin Burst
Read Cycle, Begin Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Read Cycle, Continue Burst
Write Cycle, Continue Burst
Write Cycle, Continue Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Read Cycle, Suspend Burst
Write Cycle, Suspend Burst
Write Cycle, Suspend Burst
X
L
L
H
H
X
L
L
H
H
H
H
H
X
X
H
X
H
H
X
X
H
X
L
X
X
L
L
X
X
X
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
X
X
X
L
H
X
L
H
L
H
L
H
X
X
L
H
L
H
X
X
L-H
L-H
L-H
L-H
L-H
X
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
L-H
Tri-State
Tri-State
Tri-State
Tri-State
Tri-State
Tri-State
Q
Tri-State
D
Q
Tri-State
Q
Tri-State
Q
Tri-State
D
D
Q
Tri-State
Q
Tri-State
D
D
Notes:
2. X = “Don't Care.” H = Logic HIGH, L = Logic LOW.
3. WRITE = L when any one or more Byte Write enable signals (BW
A
, BW
B
, BW
C
, BW
D
) and BWE = L or GW= L. WRITE = H when all Byte write enable signals
(BW
, BW
, BW
, BW
), BWE, GW = H.
4. The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.
5. The SRAM always initiates a read cycle when ADSP is asserted, regardless of the state of GW, BWE, or BW
. Writes may occur only on subsequent clocks
after the ADSP or with the assertion of ADSC. As a result, OE must be driven HIGH prior to the start of the write cycle to allow the outputs to tri-state. OE is a
don't care for the remainder of the write cycle.
6. OE is asynchronous and is not sampled with the clock rise. It is masked internally during write cycles. During a read cycle all data bits are tri-state when OE is
inactive or when the device is deselected, and all data bits behave as output when OE is active (LOW).
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| CY7C1338G-100AXC | 功能描述:靜態(tài)隨機(jī)存取存儲器 128Kx32 3.3V COM Sync FT 靜態(tài)隨機(jī)存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間: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 |
| CY7C1338G-100AXCT | 功能描述:靜態(tài)隨機(jī)存取存儲器 128Kx32 3.3V COM Sync FT 靜態(tài)隨機(jī)存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間: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 |
| CY7C1338G-117AXC | 功能描述:靜態(tài)隨機(jī)存取存儲器 128Kx32 3.3V COM Sync FT 靜態(tài)隨機(jī)存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間: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 |
| CY7C1338G-117AXCT | 功能描述:靜態(tài)隨機(jī)存取存儲器 128Kx32 3.3V COM Sync FT 靜態(tài)隨機(jī)存取存儲器 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間: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 |
| CY7C1338S-100AXC | 功能描述:靜態(tài)隨機(jī)存取存儲器 CY7C1338S-100AXC RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間: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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