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STK15C88-S45 PDF预览

STK15C88-S45

更新时间： 2024-02-10 14:27:56
品牌 Logo 应用领域
SIMTEK 可编程只读存储器电动程控只读存储器电可擦编程只读存储器静态存储器光电二极管内存集成电路
页数 文件大小 规格书
4页 32K
描述
Non-Volatile SRAM, 32KX8, 45ns, CMOS, PDSO28, 0.350 INCH, PLASTIC, SOIC-28

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STK15C88-S45 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP28,.5针数：28
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.32.00.41风险等级：5.8
最长访问时间：45 ns其他特性：EEPROM SOFTWARE STORE; SOFTWARE RECALL; RETENTION/STORE CYCLE = 10 YEARS/100000
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
长度：18.085 mm内存密度：262144 bit
内存集成电路类型：NON-VOLATILE SRAM内存宽度：8
湿度敏感等级：3功能数量：1
端口数量：1端子数量：28
字数：32768 words字数代码：32000
工作模式：ASYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C组织：32KX8
输出特性：3-STATE可输出：YES
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP28,.5封装形状：RECTANGULAR
封装形式：SMALL OUTLINE并行/串行：PARALLEL
峰值回流温度（摄氏度）：240电源：5 V
认证状态：Not Qualified座面最大高度：2.54 mm
最大待机电流：0.003 A子类别：SRAMs
最大压摆率：0.07 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 (Sn85Pb15)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：8.765 mmBase Number Matches：1

STK15C88-S45 数据手册

 浏览型号STK15C88-S45的Datasheet PDF文件第2页浏览型号STK15C88-S45的Datasheet PDF文件第3页浏览型号STK15C88-S45的Datasheet PDF文件第4页 
Applying the STK11C88, STK15C88  
and STK16C88 32K x 8 nvSRAM  
Abstract  
SRAM Operations  
Simtek Corporation’s family of high speed 256 kilobit  
nonvolatile Static Random Access Memories  
includes the STK15C88 AutoStore™ and  
STK11C88 Software Store and STK16C88  
AutoStorePlus™ devices. All three memories have  
industry-standard 32K x 8 architectures and pin-outs  
(Figure 1), and are drop-in replacements for many  
standard SRAM and BatRAM products. As with all  
Simtek nvSRAM products, the STK11C88,  
STK15C88 and STK16C88 do not require batteries  
or other power sources to maintain nonvolatility for a  
guaranteed minimum of 100 years, even at high  
temperatures.  
The STK11C88, STK15C88 and STK16C88 nvS-  
RAM memories are identical in the operation of their  
RAM front ends, and look to the design engineer like  
industry standard 32K x 8 fast SRAMs.  
A14  
A12  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VCC  
W
A13  
A8  
A9  
A11  
G
2
3
4
5
6
7
8
A10  
E
9
A0  
10  
11  
12  
13  
14  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
The STK15C88 AutoStore™ and STK16C88  
AutoStorePlus™ memories both automatically  
STORE the SRAM data into EEPROM upon power  
loss, and require no external power storage compo-  
nents such as batteries or capacitors. They are  
available in speeds of 20, 25, 35, and 45 nanosec-  
onds.  
DQ0  
DQ1  
DQ2  
VSS  
Figure 1  
STK11C88/STK15C88/STK16C88 Pin-Out  
The STK11C88 Software Store memory is designed  
for safe storage of data under processor control.  
The STK11C88 virtually eliminates the danger of  
inadvertent data loss due to human error or elec-  
tronics failure. It is ideally suited for applications that  
would normally require the combination of high  
speed SRAM and EEPROM, and performs both  
functions in one package. The resultant savings in  
board space, glue logic (parts count), and power  
consumption helps to reduce costs and increase  
packaging density. The STK11C88 is available in  
20, 25, 35, and 45 nanosecond versions, and can  
be interfaced to most standard microprocessors  
without interface logic or memory wait states.  
The three control lines, Write Enable (W), Chip  
Enable (E), and Output Enable (G) are utilized in the  
same manner as a standard SRAM. This front end  
functional equivalency allows improvements to be  
made to old designs without PWB (Printed Wiring  
Board) or control logic changes. The ability of  
Simtek's nvSRAM devices to run at processor bus  
speeds eliminates the need for wait states, bus con-  
trol logic, or specialized decoder circuitry. This com-  
bination of speed and versatility in one package  
serves to simplify board layout and reduce device  
count.  
SRAM Reads are performed whenever E and G are  
low and W is high. The output data on lines DQ0 -  
DQ7 corresponds to the address specified on pins  
A0 - A14.  
Both memories automatically RECALL nonvolatile  
data into the SRAM portion of the chip at power-up  
without processor intervention or external control.  
Simtek's family of nonvolatile memories give the  
product development engineer the ability to design  
modern embedded and state machines without the  
worry of data loss or corruption due to power failure.  
SRAM Writes are performed whenever E and W are  
low. The data on pins DQ0 - DQ7 will be written into  
memory at the location specified by the address  
present on lines A0 - A14. The G (Output Enable)  
8-21  
1234

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