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DS1345WP-100IND+ PDF预览

DS1345WP-100IND+

更新时间: 2024-02-24 02:57:23
品牌 Logo 应用领域
美信 - MAXIM 静态存储器内存集成电路
页数 文件大小 规格书
10页 194K
描述
Non-Volatile SRAM Module, 128KX8, 100ns, CMOS, ROHS COMPLIANT, POWERCAP MODULE-34

DS1345WP-100IND+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DMA
包装说明:ROHS COMPLIANT, POWERCAP MODULE-34针数:34
Reach Compliance Code:unknown风险等级:5.44
最长访问时间:100 nsJESD-30 代码:R-XDMA-U34
JESD-609代码:e3内存密度:1048576 bit
内存集成电路类型:NON-VOLATILE SRAM MODULE内存宽度:8
湿度敏感等级:NOT SPECIFIED功能数量:1
端子数量:34字数:131072 words
字数代码:128000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:128KX8封装主体材料:UNSPECIFIED
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
认证状态:COMMERCIAL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:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:J INVERTED
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

DS1345WP-100IND+ 数据手册

 浏览型号DS1345WP-100IND+的Datasheet PDF文件第2页浏览型号DS1345WP-100IND+的Datasheet PDF文件第3页浏览型号DS1345WP-100IND+的Datasheet PDF文件第4页浏览型号DS1345WP-100IND+的Datasheet PDF文件第5页浏览型号DS1345WP-100IND+的Datasheet PDF文件第6页浏览型号DS1345WP-100IND+的Datasheet PDF文件第7页 
19-5587; Rev 10/10  
DS1345W  
3.3V 1024k Nonvolatile SRAM  
with Battery Monitor  
www.maxim-ic.com  
FEATURES  
. 10 years minimum data retention in the  
absence of external power  
PIN ASSIGNMENT  
. Data is automatically protected during power  
loss  
. Power supply monitor resets processor when  
BW  
A15  
A16  
RST  
VCC  
WE  
OE  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
GND  
NC  
NC  
A14  
A13  
A12  
A11  
A10  
A9  
A8  
A7  
A6  
A5  
1
2
3
4
5
6
7
8
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
VCC power loss occurs and holds processor in  
reset during VCC ramp-up  
9
. Battery monitor checks remaining capacity  
daily  
10  
11  
12  
13  
14  
15  
16  
17  
. Read and write access times of 100 ns  
. Unlimited write cycle endurance  
. Typical standby current 50 µA  
. Upgrade for 128k x 8 SRAM, EEPROM or  
Flash  
. Lithium battery is electrically disconnected to  
retain freshness until power is applied for the  
first time  
. Optional industrial temperature range of  
-40°C to +85°C, designated IND  
. PowerCap Module (PCM) package  
- Directly surface-mountable module  
- Replaceable snap-on PowerCap provides  
lithium backup battery  
A4  
A3  
A2  
A1  
VBAT  
GND  
A0  
34-Pin PowerCap Module (PCM)  
(Uses DS9034PC+ or DS9034PCI+ PowerCap)  
PIN DESCRIPTION  
A0-A16  
DQ0-DQ7  
CE  
- Address Inputs  
- Data In/Data Out  
- Chip Enable  
- Write Enable  
WE  
- Output Enable  
- Reset Output  
OE  
RST  
- Battery Warning Output  
- Power (+3.3 Volts)  
- Ground  
BW  
VCC  
GND  
NC  
- Standardized pinout for all nonvolatile  
SRAM products  
- Detachment feature on PowerCap allows  
easy removal using a regular screwdriver  
- No Connect  
DESCRIPTION  
The DS1345W 3.3V 1024k Nonvolatile SRAM is a 1,048,576-bit, fully static, nonvolatile SRAM  
organized as 131,072 words by 8 bits. Each NV SRAM has a self-contained lithium energy source and  
control circuitry, which constantly monitors VCC for an out-of-tolerance condition. When such a condition  
occurs, the lithium energy source is automatically switched on and write protection is unconditionally  
enabled to prevent data corruption. Additionally, the DS1345W has dedicated circuitry for monitoring the  
status of VCC and the status of the internal lithium battery. DS1345W devices in the PowerCap Module  
package are directly surface mountable and are normally paired with a DS9034PC PowerCap to form a  
complete Nonvolatile SRAM module. The devices can be used in place of 128k x 8 SRAM, EEPROM or  
Flash components.  
1 of 10  

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