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DS1554-70IND PDF预览

DS1554-70IND

更新时间: 2024-09-24 14:33:19
品牌 Logo 应用领域
美信 - MAXIM 时钟双倍数据速率光电二极管外围集成电路
页数 文件大小 规格书
18页 414K
描述
Real Time Clock, Non-Volatile, CMOS, PDIP32, 0.740 INCH, ENCAPSULATED, DIP-32

DS1554-70IND 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:0.740 INCH, ENCAPSULATED, DIP-32
针数:32Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8473.30.11.80
风险等级:5.12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-PDIP-P32
JESD-609代码:e0长度:38.675 mm
湿度敏感等级:1端子数量:32
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP32,.6封装形状:RECTANGULAR
封装形式:IN-LINE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:9.27 mm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:NO
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:PIN/PEG
端子节距:2.54 mm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宽度:15.24 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1554-70IND 数据手册

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19-5497; Rev 9/10  
DS1554  
256k, Nonvolatile, Y2K-Compliant  
Timekeeping RAM  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATIONS  
. Integrated NV SRAM, Real-Time Clock  
(RTC), Crystal, Power-Fail Control Circuit,  
and Lithium Energy Source  
TOP VIEW  
RST  
N.C.  
A14  
A12  
A7  
VCC  
N.C.  
1
32  
31  
Maxim  
DS1554  
2
3
4
. Clock Registers are Accessed Identically to  
the Static RAM; These Registers Reside in  
the 16 Top RAM Locations  
30  
29  
IRQ/FT  
WE  
A13  
5
6
28  
27  
A6  
A5  
A8  
A9  
A11  
OE  
A10  
CE  
. Century Byte Register (i.e., Y2K Compliant)  
7
8
26  
25  
A4  
A3  
A2  
A1  
. Totally Nonvolatile with Over 10 Years of  
9
10  
24  
23  
Operation in the Absence of Power  
11  
12  
22  
21  
. Precision Power-On Reset  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A0  
. Programmable Watchdog Timer and RTC  
13  
14  
15  
16  
20  
19  
18  
17  
DQ0  
DQ1  
DQ2  
Alarm  
. BCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap-  
Year Compensation Valid Up to the Year  
2100  
GND  
Encapsulated DIP  
. Battery Voltage-Level Indicator Flag  
. Power-Fail Write Protection Allows for ±10%  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
N.C.  
N.C.  
A14  
A13  
A12  
A11  
A10  
A9  
IRQ/FT  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
Maxim  
DS1554  
VCC Power-Supply Tolerance  
N.C.  
N.C.  
RST  
. Lithium Energy Source is Electrically  
Disconnected to Retain Freshness Until  
Power is Applied for the First Time  
VCC  
WE  
OE  
CE  
A8  
DQ7  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
GND  
. Also Available in Industrial Temperature  
Range: -40°C to +85°C  
VBAT  
X2  
X1  
GND  
PowerCap Module Board  
(Uses DS9034PCX PowerCap)  
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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DS1554-70IND 替代型号

型号 品牌 替代类型 描述 数据表
DS1554-70+ MAXIM

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