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DS1557P-70IND PDF预览

DS1557P-70IND

更新时间: 2024-09-26 14:49:07
品牌 Logo 应用领域
美信 - MAXIM 时钟双倍数据速率外围集成电路
页数 文件大小 规格书
17页 254K
描述
Real Time Clock, Non-Volatile, CMOS, POWERCAP MODULE-34

DS1557P-70IND 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:DMA
包装说明:POWERCAP MODULE-34针数:34
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8473.30.11.80Factory Lead Time:1 week
风险等级:5.15最大时钟频率:0.032 MHz
外部数据总线宽度:8信息访问方法:PARALLEL, DIRECT ADDRESS
中断能力:YJESD-30 代码:R-XDMA-U34
JESD-609代码:e0端子数量:34
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装等效代码:MODULE,34LEAD,1.0
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
峰值回流温度(摄氏度):240电源:5 V
认证状态:Not Qualified子类别:Timer or RTC
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:TIN LEAD端子形式:J INVERTED
端子位置:DUAL最短时间:SECONDS
处于峰值回流温度下的最长时间:NOT SPECIFIED易失性:NO
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1557P-70IND 数据手册

 浏览型号DS1557P-70IND的Datasheet PDF文件第2页浏览型号DS1557P-70IND的Datasheet PDF文件第3页浏览型号DS1557P-70IND的Datasheet PDF文件第4页浏览型号DS1557P-70IND的Datasheet PDF文件第5页浏览型号DS1557P-70IND的Datasheet PDF文件第6页浏览型号DS1557P-70IND的Datasheet PDF文件第7页 
19-5501; Rev 9/10  
DS1557  
4Meg, Nonvolatile, Y2K-Compliant  
Timekeeping RAM  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATION  
. Integrated NV SRAM, Real-Time Clock  
(RTC), Crystal, Power-Fail Control Circuit,  
and Lithium Energy Source  
TOP VIEW  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
A18  
A17  
A14  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
IRQ/FT  
Maxim  
DS1557  
A15  
. Clock Registers are Accessed Identically to  
the Static RAM; These Registers Reside in the  
16 Top RAM Locations  
A16  
RST  
A13  
A12  
A11  
A10  
A9  
VCC  
WE  
OE  
. Century Byte Register (i.e., Y2K Compliant)  
CE  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
GND  
A8  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
. Totally Nonvolatile with Over 10 Years of  
Operation in the Absence of Power  
. Precision Power-On Reset  
. Programmable Watchdog Timer and RTC  
GND VBAT  
X2  
X1  
Alarm  
PowerCap Module Board  
(Uses DS9034PCX PowerCap)  
. BCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap  
Year Compensation Valid Up to the Year  
2100  
PIN DESCRIPTION  
A0–A18  
DQ0–DQ7  
IRQ/FT  
- Address Input  
- Data Input/Outputs  
- Interrupt, Frequency Test  
Output (Open Drain)  
- Power-On Reset Output  
(Open Drain)  
- Chip Enable  
- Output Enable  
- Write Enable  
- Power-Supply Input  
- Ground  
. Battery Voltage-Level Indicator Flag  
. Power-Fail Write Protection Allows for 10%  
VCC Power-Supply Tolerance  
RST  
. Lithium Energy Source is Electrically  
Disconnected to Retain Freshness Until Power  
is Applied for the First Time  
CE  
OE  
WE  
VCC  
GND  
X1, X2  
VBAT  
. Also Available in Industrial Temperature  
Range: -40°C to +85°C  
- Crystal Connection  
- Battery Connection  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.  
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DS1557P-70IND 替代型号

型号 品牌 替代类型 描述 数据表
DS1557P-70+ MAXIM

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Real Time Clock, Non-Volatile, CMOS, ROHS COMPLIANT, POWERCAP MODULE-34

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