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參數(shù)資料
| 型號： | AS7C4098A |
| 廠商： | Alliance Semiconductor Corporation |
| 英文描述： | High Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer with Address Latches 16-PDIP -55 to 125 |
| 中文描述： | 2.5V的為512k × 32/36直通突發(fā)同步SRAM |
| 文件頁數(shù)： | 6/19頁 |
| 文件大小： | 524K |
| 代理商： | AS7C4098A |
AS7C25512FT32A
AS7C25512FT36A
12/23/04, v. 1.2
Alliance Semiconductor
6 of 19
Write enable truth table (per byte)
Key:
X = don’t care, L = low, H = high, n = a, b, c, d;
BWE
,
BWn
= internal write signal.
Asynchronous Truth Table
Notes:
1. X means “Don’t Care”
2. ZZ pin is pulled down internally
3. For write cycles that follows read cycles, the output buffers must be disabled with OE, otherwise data bus contention will occur.
4. Snooze mode means power down state of which stand-by current does not depend on cycle times
5. Deselected means power down state of which stand-by current depends on cycle times
Burst sequence table
Function
GWE
BWE
BWa
BWb
BWc
BWd
Write All Bytes
L
X
X
X
X
X
H
L
L
L
L
L
Write Byte a
H
L
L
H
H
H
Write Byte c and d
H
L
H
H
L
L
Read
H
H
X
X
X
X
H
L
H
H
H
H
Operation
ZZ
H
L
L
L
L
OE
X
L
H
X
X
I/O Status
High-Z
Dout
High-Z
Din, High-Z
High-Z
Snooze mode
Read
Write
Deselected
Interleaved burst address (LBO = 1)
A1 A0
0 0
2
nd
Address
0 1
3
rd
Address
1 0
4
th
Address
1 1
Linear burst address (LBO = 0)
A1 A0
0 0
0 1
1 0
1 1
A1 A0
0 1
0 0
1 1
1 0
A1 A0
1 0
1 1
0 0
0 1
A1 A0
1 1
1 0
0 1
0 0
A1 A0
0 1
1 0
1 1
1 0
A1 A0
1 0
1 1
0 0
0 1
A1 A0
1 1
0 0
0 1
1 0
1
st
Address
1
st
Address
2
nd
Address
3
rd
Address
4
th
Address
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS7C25512FT36A-10TQIN | 2.5V 512K x 32/36 flowthrough burst synchronous SRAM |
| AS7C25512FT36A-75TQC | 2.5V 512K x 32/36 flowthrough burst synchronous SRAM |
| AS7C25512FT36A-75TQCN | 2.5V 512K x 32/36 flowthrough burst synchronous SRAM |
| AS7C25512FT36A-75TQI | 2.5V 512K x 32/36 flowthrough burst synchronous SRAM |
| AS7C25512FT36A-75TQIN | 2.5V 512K x 32/36 flowthrough burst synchronous SRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS7C4098A-12JCN | 功能描述:靜態(tài)隨機(jī)存取存儲器 4M, 5V, 12ns, FAST 256K x 16 Asyn 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(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 |
| AS7C4098A-12JCNTR | 功能描述:靜態(tài)隨機(jī)存取存儲器 4M, 5V, 12ns, FAST 256K x 16 Asyn 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(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 |
| AS7C4098A-12JIN | 功能描述:靜態(tài)隨機(jī)存取存儲器 4M, 5V, 12ns, FAST 256K x 16 Asyn 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(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 |
| AS7C4098A-12JINTR | 功能描述:靜態(tài)隨機(jī)存取存儲器 4M, 5V, 12ns, FAST 256K x 16 Asyn 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(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 |
| AS7C4098A-12TCN | 功能描述:靜態(tài)隨機(jī)存取存儲器 4M, 5V, 12ns, FAST 256K x 16 Asyn 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(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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