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SM8577BS PDF预览

SM8577BS

更新时间: 2024-01-26 22:53:47
品牌 Logo 应用领域
NPC 时钟
页数 文件大小 规格书
10页 79K
描述
Real-time Clock IC

SM8577BS 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOP, SOP8,.25Reach Compliance Code:unknown
风险等级:5.86信息访问方法:SERIAL, FIXED PROTOCOL
中断能力:NJESD-30 代码:R-PDSO-G8
端子数量:8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:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
电源:3/5 V认证状态:Not Qualified
子类别:Timer or RTC表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL最短时间:SECONDS
易失性:YESBase Number Matches:1

SM8577BS 数据手册

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SM8577B  
Real-time Clock IC  
NIPPON PRECISION CIRCUITS INC.  
OVERVIEW  
PINOUT  
The SM8577B is a CMOS serial-interface type real-  
time clock IC that operates at 32.768 kHz. It  
employs a 3-line serial interface to transfer time and  
date data. It incorporates a supply-voltage detect  
function to determine data validity/invalidity. It  
features an output interrupt with 32 kHz or 1 Hz  
output frequency. It is available in 8-pin SOPs.  
1
4
8
5
VDD  
XTN  
XT  
CE  
DATA  
CLK  
VSS  
FOUT  
FEATURES  
2.5 to 5.5 V operating voltage range  
1.0 µA at 3.0 V (typ) current consumption  
3-line serial interface  
1.7 ± 0.3 V supply voltage detection threshold  
Timer counters for second, minute, hour, day, day  
of the week, month, and year  
PACKAGE DIMENSIONS  
Unit: mm  
8-pin SOP  
Automatic leap-year calendar adjustment  
32.768 kHz and 1 Hz output interrupt selectable  
Crystal oscillator circuit built-in (C built-in)  
24-hour time mode  
8-pin SOP  
D
+ 0.10  
0.15  
0.05  
5.2 0.3  
0 to 10  
ORDERING INFOMATION  
1.27  
0.4 0.1  
Device  
Package  
SM8577BS  
8pin SOP  
NIPPON PRECISION CIRCUITS—1  

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