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CYM1821PZ-35C PDF预览

CYM1821PZ-35C

更新时间: 2024-09-09 20:47:55
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 静态存储器内存集成电路
页数 文件大小 规格书
7页 137K
描述
SRAM Module, 16KX32, 35ns, CMOS

CYM1821PZ-35C 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.88
Is Samacsys:N最长访问时间:35 ns
I/O 类型:COMMONJESD-30 代码:R-XZMA-T64
JESD-609代码:e0内存密度:524288 bit
内存集成电路类型:SRAM MODULE内存宽度:32
功能数量:1端口数量:1
端子数量:64字数:16384 words
字数代码:16000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:16KX32输出特性:3-STATE
可输出:YES封装主体材料:UNSPECIFIED
封装代码:ZIP封装等效代码:ZIP64/68,.1,.1
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
最大待机电流:0.16 A最小待机电流:4.5 V
子类别:SRAMs最大压摆率:0.72 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:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:1.27 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

CYM1821PZ-35C 数据手册

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1CYM1821  
fax id: 2010  
CYM1821  
16K x 32 Static RAM Module  
constructed from eight 16K x 4 SRAM SOJ packages mount-  
ed on an epoxy laminate board with pins. Four chip selects  
Features  
High-density 512-Kbit SRAM module  
(CS , CS , CS , and CS ) are used to independently enable  
1 2 3 4  
the four bytes. Reading or writing can be executed on individ-  
ual bytes or any combination of multiple bytes through proper  
use of selects.  
32-bit standard footprint supports densities from 16K  
x 32 through 1M x 32  
High-speed CMOS SRAMs  
— Access time of 12 ns  
Low active power  
Writing to each byte is accomplished when the appropriate  
chip selects (CS ) and write enable (WE) inputs are both  
N
LOW. Data on the input/output pins (I/O ) is written into the  
X
— 4W (max.)  
memory location specified on the address pins (A through  
0
A
).  
SMD technology  
13  
TTL-compatible inputs and outputs  
Low profile  
Reading the device is accomplished by taking the chip selects  
(CS ) LOW, while write enable (WE) remains HIGH. Under  
N
these conditions the contents of the memory location specified  
on the address pins will appear on the data input/output pins  
— Max. height of .50 in.  
Small PCB footprint  
— 1.0 sq. in.  
(I/O ).The data input/output pins stay in the high-impedance  
X
state when write enable (WE) is LOW, or the appropriate chip  
selects are HIGH.  
JEDEC-compatible pinout  
Two pins (PD and PD ) are used to identify module memory  
density in applications where alternate versions of the JEDEC  
standard modules can be interchanged.  
0
1
Functional Description  
The CYM1821 is a high-performance 512-Kbit static RAM  
module organized as 16K words by 32 bits. This module is  
Logic Block Diagram  
Pin Configuration  
ZIP  
Top View  
PD - GND  
0
GND  
PD1  
I/O8  
1
3
PD  
0
0
I/O  
1
PD - OPEN  
2
1
I/O  
A - A  
4
5
0
13  
14  
6
7
I/O9  
OE  
I/O  
8
9
2
I/O10  
I/O11  
I/O  
3
WE  
10  
11  
12  
13  
15  
16  
17  
19  
20  
21  
V
A
CC  
7
A
0
1
14  
A
16K x 4  
SRAM  
16K x 4  
I/O – I/O  
0
I/O – I/O  
A
8
3
4
7
A
2
SRAM  
4
4
4
4
4
4
4
4
18  
A
9
I/O  
I/O  
I/O  
I/O  
12  
13  
14  
15  
I/O  
I/O  
I/O  
I/O  
4
5
6
7
CS  
1
22  
23  
24  
25  
27  
28  
29  
26  
GND  
NC  
CS  
2
16K x 4  
SRAM  
16K x 4  
SRAM  
I/O – I/O  
8
I/O – I/O  
WE  
NC  
CS  
1
11  
12  
15  
23  
31  
30  
31  
32  
33  
CS  
CS  
CS  
2
3
4
CS  
4
CS  
3
34  
35  
NC  
OE  
I/O  
NC  
36  
16K x 4  
SRAM  
16K x 4  
SRAM  
37  
I/O – I/O  
16  
I/O – I/O  
20  
19  
GND  
38  
39  
24  
I/O  
I/O  
I/O  
I/O  
A
A
A
16  
17  
18  
19  
10  
11  
12  
13  
20  
21  
22  
23  
40  
41  
I/O  
I/O  
I/O  
25  
26  
27  
42  
43  
44  
45  
46  
A
47  
3
48  
49  
16K x 4  
SRAM  
16K x 4  
SRAM  
I/O – I/O  
28  
I/O – I/O  
24  
A
4
A
5
27  
50  
51  
52  
53  
V
CC  
A
54  
55  
A
6
I/O  
I/O  
I/O  
I/O  
56  
57  
I/O  
I/O  
I/O  
I/O  
28  
29  
30  
31  
1821–1  
58  
59  
60  
61  
62  
63  
GND  
64  
1821–2  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose  
CA 95134  
408-943-2600  
November 1988 – Revised January 1995  

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