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DS1556W-120+ PDF预览

DS1556W-120+

更新时间: 2024-11-17 09:56:03
品牌 Logo 应用领域
美信 - MAXIM 计时器或实时时钟微控制器和处理器外围集成电路光电二极管双倍数据速率
页数 文件大小 规格书
18页 195K
描述
1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

DS1556W-120+ 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:MODULE
包装说明:DIP, DIP32,.6针数:32
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8473.30.11.80Factory Lead Time:6 weeks
风险等级:1.38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-PDMA-P32
JESD-609代码:e3长度:43.053 mm
端子数量:32最高工作温度:70 °C
最低工作温度: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:MICROELECTRONIC ASSEMBLY
峰值回流温度(摄氏度):NOT SPECIFIED电源:3.3 V
认证状态:Not Qualified座面最大高度:10.922 mm
子类别:Timer or RTC最大供电电压:3.63 V
最小供电电压:2.97 V标称供电电压:3.3 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
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 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

DS1556W-120+ 数据手册

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19-5500; Rev 9/10  
DS1556  
1M, 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  
A16  
A14  
A12  
A7  
VCC  
A15  
1
32  
31  
Maxim  
DS1556  
. Clock Registers are Accessed Identically to  
the Static RAM; These Registers Reside in  
the 16 Top RAM Locations  
2
3
4
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  
. Totally Nonvolatile with Over 10 Years of  
A4  
A3  
9
10  
24  
23  
Operation in the Absence of Power  
A2  
A1  
. Precision Power-On Reset  
11  
12  
22  
21  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A0  
DQ0  
DQ1  
DQ2  
GND  
. Programmable Watchdog Timer and RTC  
13  
14  
15  
16  
20  
19  
18  
17  
Alarm  
. BCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and seconds with Automatic Leap-  
Year Compensation Valid Up to the Year  
2100  
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  
IRQ/FT  
A15  
A16  
RST  
VCC  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
V
CC Power-Supply Tolerance  
Maxim  
DS1556  
. Lithium Energy Source is Electrically  
Disconnected to Retain Freshness Until  
Power is Applied for the First Time  
A13  
A12  
A11  
A10  
A9  
WE  
OE  
CE  
A8  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
DQ2  
DQ1  
DQ0  
GND  
. Also Available in Industrial Temperature  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
Range: -40°C to +85°C  
X1  
GND VBAT  
X2  
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.  
1 of 18  

DS1556W-120+ 替代型号

型号 品牌 替代类型 描述 数据表
DS1556W-120 MAXIM

完全替代

Real Time Clock, Non-Volatile, CMOS, PDMA32, EDIP MODULE-32
DS1556W-120IND MAXIM

完全替代

Real Time Clock, Non-Volatile, CMOS, PDMA32, EDIP MODULE-32
DS1556W-120IND+ MAXIM

类似代替

1M, Nonvolatile, Y2K-Compliant Timekeeping RAM

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