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CY7C135-35JI PDF预览

CY7C135-35JI

更新时间: 2024-11-25 22:02:55
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 存储内存集成电路静态存储器
页数 文件大小 规格书
12页 554K
描述
4K x 8 Dual-Port Static RAM and 4K x 8 Dual-Port SRAM with Semaphores

CY7C135-35JI 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:LCC包装说明:PLASTIC, LCC-52
针数:52Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.32.00.41
风险等级:5.53最长访问时间:35 ns
I/O 类型:COMMONJESD-30 代码:S-PQCC-J52
JESD-609代码:e0长度:19.1262 mm
内存密度:32768 bit内存集成电路类型:DUAL-PORT SRAM
内存宽度:8湿度敏感等级:1
功能数量:1端口数量:2
端子数量:52字数:4096 words
字数代码:4000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:4KX8输出特性:3-STATE
可输出:YES封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC52,.8SQ
封装形状:SQUARE封装形式:CHIP CARRIER
并行/串行:PARALLEL峰值回流温度(摄氏度):225
电源:5 V认证状态:Not Qualified
座面最大高度:5.08 mm最大待机电流:0.03 A
最小待机电流:4.5 V子类别:SRAMs
最大压摆率:0.18 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:19.1262 mmBase Number Matches:1

CY7C135-35JI 数据手册

 浏览型号CY7C135-35JI的Datasheet PDF文件第2页浏览型号CY7C135-35JI的Datasheet PDF文件第3页浏览型号CY7C135-35JI的Datasheet PDF文件第4页浏览型号CY7C135-35JI的Datasheet PDF文件第5页浏览型号CY7C135-35JI的Datasheet PDF文件第6页浏览型号CY7C135-35JI的Datasheet PDF文件第7页 
CY7C135  
CY7C1342  
4K x 8 Dual-Port Static RAM and 4K x 8 Dual-Port  
SRAM with Semaphores  
Features  
Functional Description  
True Dual-Ported memory cells which allow simulta-  
The CY7C135 and CY7C1342 are high-speed CMOS 4K x 8  
dual-port static RAMs. The CY7C1342 includes semaphores  
that provide a means to allocate portions of the dual-port RAM  
or any shared resource. Two ports are provided permitting in-  
dependent, asynchronous access for reads and writes to any  
location in memory. Application areas include interproces-  
sor/multiprocessor designs, communications status buffering,  
and dual-port video/graphics memory.  
neous reads of the same memory location  
4K x 8 organization  
0.65-micron CMOS for optimum speed/power  
High-speed access: 15 ns  
Low operating power: ICC = 160 mA (max.)  
• Fully asynchronous operation  
Automatic power-down  
Semaphoresincludedonthe7C1342topermitsoftware  
handshaking between ports  
Available in 52-pin PLCC  
Each port has independent control pins: chip enable (CE),  
read or write enable (R/W), and output enable (OE). The  
CY7C135 is suited for those systems that do not require  
on-chip arbitration or are intolerant of wait states. Therefore,  
the user must be aware that simultaneous access to a location  
is possible. Semaphores are offered on the CY7C1342 to as-  
sist in arbitrating between ports. The semaphore logic is com-  
prised of eight shared latches. Only one side can control the  
latch (semaphore) at any time. Control of a semaphore indi-  
cates that a shared resource is in use. An automatic pow-  
er-down feature is controlled independently on each port by a  
chip enable (CE) pin or SEM pin (CY7C1342 only).  
The CY7C135 and CY7C1342 are available in 52-pin PLCC.  
Logic Block Diagram  
R/W  
L
R/W  
R
CE  
L
CE  
R
OE  
R
OE  
L
I/O  
7L  
I/O  
I/O  
7R  
I/O  
CONTROL  
I/O  
CONTROL  
I/O  
0L  
0R  
A
A
11L  
0L  
11R  
ADDRESS  
DECODER  
ADDRESS  
DECODER  
MEMORY  
ARRAY  
A
A
0R  
SEMAPHORE  
ARBITRATION  
(7C1342 only)  
CE  
L
CE  
R
OE  
L
OE  
R
R/W  
R/W  
R
L
(7C1342 only)  
(7C1342 only)  
1342–1  
SEM  
R
SEM  
L
Cypress Semiconductor Corporation  
Document #: 38-06038 Rev. *B  
3901 North First Street  
San Jose  
CA 95134  
408-943-2600  
Revised June 22, 2004  

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