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A1K-L67142V-55 PDF预览

A1K-L67142V-55

更新时间: 2024-01-03 01:35:26
品牌 Logo 应用领域
爱特美尔 - ATMEL ATM异步传输模式静态存储器内存集成电路
页数 文件大小 规格书
14页 178K
描述
Dual-Port SRAM, 2KX8, 55ns, CMOS, CDIP48, 0.600 INCH, CERAMIC, DIP-48

A1K-L67142V-55 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.84
最长访问时间:55 nsJESD-30 代码:R-GDIP-T48
内存密度:16384 bit内存集成电路类型:DUAL-PORT SRAM
内存宽度:8功能数量:1
端子数量:48字数:2048 words
字数代码:2000工作模式:ASYNCHRONOUS
最高工作温度:125 °C最低工作温度:-40 °C
组织:2KX8封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE并行/串行:PARALLEL
认证状态:Not Qualified座面最大高度:5.71 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):3.3 V表面贴装:NO
技术:CMOS温度等级:AUTOMOTIVE
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:15.24 mm
Base Number Matches:1

A1K-L67142V-55 数据手册

 浏览型号A1K-L67142V-55的Datasheet PDF文件第1页浏览型号A1K-L67142V-55的Datasheet PDF文件第2页浏览型号A1K-L67142V-55的Datasheet PDF文件第3页浏览型号A1K-L67142V-55的Datasheet PDF文件第5页浏览型号A1K-L67142V-55的Datasheet PDF文件第6页浏览型号A1K-L67142V-55的Datasheet PDF文件第7页 
L67132/L67142  
Truth Table  
(4)  
Table 1 : Non Contention Read/Write Control  
LEFT OR RIGHT PORT(1)  
FUNCTION  
R/W  
X
CS  
H
OE  
X
D0–7  
Z
Port Disabled and in Power Down Mode. ICCSB or ICCSB1  
(2)  
L
L
X
DATA  
Data on Port Written into memory  
IN  
(3)  
H
L
L
DATA  
Z
Data in Memory Output on Port  
OUT  
H
L
H
High Impedance Outputs  
Notes : 1. A – A  
A – A  
.
OL  
10L  
0R  
10R  
2. If BUSY = L, data is not written.  
3. If BUSY = L, data may not be valid, see t  
and t  
DDD  
timing.  
WDD  
4. H = HIGH, L = LOW, X = DON’T CARE, Z = HIGH IMPEDANCE.  
(5)  
Table 2 : Arbitration  
LEFT PORT  
RIGHT PORT  
FLAGS  
BUSYL  
FUNCTION  
CSL  
H
A0L – A10L  
CSR  
A0L – A10R  
BUSYR  
X
Any  
X
H
H
L
L
X
X
H
H
H
H
H
H
H
H
No Contention  
L
No Contention  
No Contention  
No Contention  
H
Any  
L
A – A  
A – A  
0L 10L  
0R  
10R  
ADDRESS ARBITRATION WITH CE LOW BEFORE ADDRESS MATCH  
L
L
L
L
LV5R  
RV5L  
Same  
Same  
L
L
L
L
LV5R  
RV5L  
Same  
Same  
H
L
H
L
L
H
L
L–Port Wins  
R–Port Wins  
Arbitration Resolved  
Arbitration Resolved  
H
CS ARBITRATION WITH ADDRESS MATCH BEFORE CS  
LL5R  
RL5L  
LW5R  
LW5R  
= A – A  
LL5R  
RL5L  
LW5R  
LW5R  
= A – A  
10L  
H
L
H
L
L
H
L
L–Port Wins  
0R  
10R  
10R  
0L  
= A – A  
= A  
A
R–Port Wins  
0R  
0L – 10L  
= A  
A
= A – A  
Arbitration Resolved  
Arbitration Resolved  
0R – 10R  
0L  
10L  
= A – A  
= A – A  
H
0R  
10R  
0L  
10L  
Notes : 5. X = DON’T CARE, L = LOW, H = HIGH.  
LV5R = Left Address Valid 5 ns before right address.  
RV5L = Right address Valid 5 ns before left address.  
Same = Left and Right Addresses match within 5 ns of each other.  
LL5R = Left CS = LOW 5 ns before Right CS.  
RL5L = Right CS = LOW 5 ns before left CS.  
LW5R = Left and Right CS = LOW within 5 ns of each other.  
4
MATRA MHS  
Rev. D (19 Fev. 97)  

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