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RX-8581JE:B3 PDF预览

RX-8581JE:B3

更新时间: 2024-02-20 14:32:26
品牌 Logo 应用领域
精工 - SEIKO 时钟光电二极管外围集成电路
页数 文件大小 规格书
2页 283K
描述
REAL TIME CLOCK, PDSO20, ROHS COMPLIANT, VOSJ-20

RX-8581JE:B3 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Contact Manufacturer包装说明:SOJ, SSOJ20,.25
Reach Compliance Code:compliant风险等级:5.78
信息访问方法:SERIAL, 2 WIRE/I2C中断能力:Y
JESD-30 代码:R-PDSO-J20JESD-609代码:e2
端子数量:20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:SOJ封装等效代码:SSOJ20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:2/5 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端子面层:TIN SILVER
端子形式:J BEND端子节距:0.635 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:10易失性:YES
uPs/uCs/外围集成电路类型:TIMER, MEMORY REFRESHBase Number Matches:1

RX-8581JE:B3 数据手册

 浏览型号RX-8581JE:B3的Datasheet PDF文件第2页 
Real time clock module  
Product Number (Please contact us)  
RX-8581SA : Q41858152xxxx00  
RX-8581JE : Q41858171xxxx00  
RX-8581NB : Q41858192000200  
REAL TIME CLOCK MODULE (I2C-Bus)  
RX - 8581SA/JE/NB  
Built-in frequency adjusted 32.768kHz crystal unit.  
Interface Type  
: I2C-Bus Interface(400kHz)  
Operating voltage range  
Wide Timekeeper voltage range  
Low backup current  
: 1.8V to5.5V  
: 1.6Vto5.5V  
: 0.45A/3V(Typ.)  
32.768 kHz frequency output function : C-MOS output With Control Pin  
The various functions include full calendar, alarm, timer.  
Actual size  
RX-8581SA  
RX-8581JE  
RX-8581NB  
* The I2C-Bus is a trademark of NXP Semiconductors  
Block diagram  
Overview  
 Interface Type  
• I2C-Bus interface. (Hi-speed bus specifications 400kHz)  
I2C-Bus slave address:read A3h and write A2h  
32.768 kHz  
CLOCK  
and  
CALENDAR  
DIVIDER  
32.768 kHz frequency output function  
• FOUT pin output (C-MOS output ), CL=30 pF  
• 32.768 kHz clock frequency output. (Duty 50 ±5 %)  
OSC  
FOUT  
FOE  
FOUT  
TIMER  
Timer function  
CONTROLLER  
REGISTER  
• Timer interrupt function can be set up between  
1/4096 second and 4095 minutes.  
• It is recorded automatic to TF-bit at the time of event  
occurrence,and possible to output with /TIRQ pin output  
(N-ch open-drain output).  
INTERRUPTS  
CONTROLLER  
ALARM  
REGISTER  
/ INT  
Interrupt function  
CONTROL  
REGISTER  
• Alarm interrupt function, Time update interrupt function.  
I2C-BUS  
SCL  
SDA  
INTERFACE  
CIRCUIT  
and  
SYSTEM  
CONTROLLER  
Terminal connection/External dimensions  
(Unit:mm)  
RX8581SA  
  
RX8581JE  
RX8581NB  
1.  
2. GND  
3.  
22. N.C.  
21. N.C.  
20. N.C.  
19. N.C.  
18. N.C.  
17. N.C.  
16. N.C.  
15. N.C.  
14. N.C.  
/INT  
1. N.C.  
20. N.C.  
1. N.C.  
2. SCL  
3. SDA  
4. N.C.  
5. GND  
6. N.C.  
14. FOUT  
13. N.C.  
12. N.C.  
11. VDD  
10. FOE  
9. N.C.  
2. N.C.  
3. FOE  
4. VDD  
5. FOUT  
6. SCL  
7. SDA  
19. N.C.  
18. N.C.  
17. N.C.  
16. N.C.  
15. N.C.  
14. N.C.  
(VDD)  
4. N.C.  
5. SDA  
6. SCL  
7. FOUT  
8. VDD  
5.0  
4.8  
5.4  
1.30.1  
8.  
9. GND  
10.  
Max. 13. N.C.  
(VDD)  
1.5  
  
9. FOE  
10. N.C.  
11. N.C.  
12. N.C.  
13.  
12.  
  
  
7.40.2  
7.  
8. N.C.  
/INT  
5.00.2  
6.00.2  
11. N.C.  
/INT  
SOP14 pin  
VSOJ20 pin  
SON22 pin  
The metal case inside of the molding compound may be exposed on the top or bottom of this product. This purely cosmetic and does not have any effect on quality, reliability or electrical specs.  
Specifications (characteristics)  
 Refer to application manual for details.  
Recommended Operating Conditions  
Current consumption characteristics  
Ta=-40Cto+85C  
Item  
Symbol  
Conditions  
Min.  
Typ.  
Max.  
Unit  
Item  
Symbol  
Conditions  
Min. Typ. Max. Unit  
Power voltage  
Clock voltage  
Operating  
VDD  
VCLK  
1.8  
1.6  
3.0  
3.0  
5.5  
5.5  
V
V
VDD  
=5V  
fSCL=0Hz  
-
-
-
-
0.65 1.2  
0.45 0.8  
8.0 20.0  
5.0 12.0  
FOE=GND  
TOPR  
-40  
+25  
+85  
C  
temperature  
IBK  
µA  
µA  
FOUT;  
output OFF(LOW)  
VDD  
=3V  
Frequency characteristics  
Current  
Consumption  
Item  
Symbol  
Conditions  
Rating  
Unit  
fSCL=0Hz  
FOE=VDD  
VDD  
=5V  
Frequency  
tolerance  
Ta=+25C  
VDD=3.0V  
6
f/f  
10  
B: 523  
505  
I32k  
FOUT;  
32.768kHz output ON  
CL=30pF  
VDD  
=3V  
Ta=-40Cto+85C  
VDD=2.4Vto5.5V  
FOUT output Duty  
tw/t  
%
Please ask for tighter tolerance.( Equivalent to 1 minute of monthly deviation )  

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