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RA-8581SA-0 PDF预览

RA-8581SA-0

更新时间： 2024-01-06 17:31:38
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 457K
描述
REAL TIME CLOCK, PDSO14, SOP-14

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中文翻译

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RA-8581SA-0 技术参数

是否无铅：含铅是否Rohs认证：符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.17
Is Samacsys：N最大时钟频率：0.032 MHz
信息访问方法：I2CJESD-30 代码：R-PDSO-G14
JESD-609代码：e3长度：10.1 mm
端子数量：14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封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：3.3 mm
最大供电电压：5.5 V最小供电电压：1.8 V
标称供电电压：3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：TIN端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
uPs/uCs/外围集成电路类型：TIMER, REAL TIME CLOCKBase Number Matches：1

RA-8581SA-0 数据手册

 浏览型号RA-8581SA-0的Datasheet PDF文件第2页 
Real time clock module  
Epson Toyocom  
Product Number (Please contact us)  
RA-8581SA: Q41A88151xxxx00  
For Automotive  
I2C-Bus INTERFACE REAL TIME CLOCK MODULE  
RA- 8581SA  
•
•
•
•
•
•
•
•
Built-in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
:
:
:
:
I2C-Bus Interface (400 kHz)  
1.8 V to 5.5 V  
Operating voltage range  
Wide Timekeeper voltage range  
Low backup current  
1.6 V to 5.5 V  
0.45 µA / 3 V (Typ.)  
32.768 kHz frequency output function  
:
C-MOS output With Control Pin  
Actual size  
The various functions include full calendar, alarm, timer.  
Conforms to AEC-Q200  
*
The I2C-Bus is a trademark of NXP Semiconductors  
Block diagram  
Overview  
32.768 kHz  
• Interface Type  
• I2C-Bus interface. ( Hi-speed bus specifications 400 kHz )  
CLOCK  
and  
2
∗ I C-Bus slave address : read A3h and write A2h  
DIVIDER  
OSC  
CALENDAR  
• 32.768 kHz frequency output function  
• FOUT pin output (C-MOS output ), CL=30 pF  
FOUT  
FOUT  
TIMER  
• 32.768 kHz clock frequency output. (Duty 50 ±5%)  
CONTROLLER  
REGISTER  
FOE  
• Timer function  
• Timer interrupt function can be set up between  
1/4096 second and 4095 minutes.  
INTERRUPTS  
CONTROLLER  
ALARM  
REGISTER  
/ INT  
• 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).  
CONTROL  
REGISTER  
I2C-BUS  
• Interrupt function  
SCL  
SDA  
• Alarm interrupt function, Time update interrupt function.  
INTERFACE  
CIRCUIT  
and  
SYSTEM  
CONTROLLER  
Pin Function  
Terminal connection
/
Externaldimensions 
(
Unit:
mm)  
RA − 8581 SA  
Signal Name  
Input / Output  
Function  
SCL  
SDA  
Input  
Bi-directional  
Serial clock input pin  
Data input and output pin  
1. N.C.  
2. SCL  
3. SDA  
4. N.C.  
5. GND  
6. N.C.  
14. FOUT  
13. N.C.  
12. N.C.  
DD  
FOUT pin outputs the reference clock signal at 32.768 kHz.  
FOE pin inputs the FOUT output control.  
FOUT  
Output  
F O E pin  
inp u t  
F O U T pin  
o utp ut  
11.  
V
5.0  
O utpu t  
HIG H  
L O W  
( C -M O S  
( L O W  
)
10. FOE  
9. N.C.  
8. N.C.  
FOE  
/INT  
Input  
O F F  
)
7.4 0.2  
7.  
/ INT  
Output  
Interrupt output ( N-ch open drain )  
Connected to a positive power supply.  
Connected to a ground.  
−
SOP 14 pin  
DD  
V
GND  
Metal may be exposed on the top or bottom of this product.  
This w ill not affect any quality, reliability or electrical spec.  
Specifications (characteristics)  
∗ Refer to application manual for details.  
„
„
Recommended Operating Conditions  
Current consumption characteristics  
°
°
T
a = -40 C to +85 C  
Item  
Symbol  
Condition  
Min. Typ. Max. Unit  
Item  
Symbol  
Condition  
Min.  
Typ.  
Max.  
Unit  
DD  
V
Power voltage  
1.8  
1.6  
3.0  
3.0  
5.5  
5.5  
V
V
DD  
V
CLK  
f
SCL  
= 0 Hz  
Clock voltage  
Operating  
V
= 5 V  
0.65 1.2  
µA  
FOE = GND  
OPR  
T
°
C
-40  
+25  
+85  
BK  
I
temperature  
DD  
V
FOUT ;Output OFF  
( LOW )  
= 3 V  
0.45 0.8  
„
Frequency characteristics  
Current  
Consumption  
Item  
Symbol  
Condition  
Rating  
Unit  
DD  
V
f
SCL = 0 Hz  
= 5 V  
8.0 20.0  
µA  
FOE = VDD  
°
Frequency  
tolerance  
T
a
= +25 C  
6
−
∗
∆
×
f / f  
10  
5
50  
23  
DD  
V
32k  
I
= 3.0 V  
FOUT ;  
32.768 kHz Output ON  
CL = 30 pF  
V
DD  
= 3 V  
°
°
a
T
= -40 C to +85 C  
5.0 12.0  
FOUT output Duty  
%
tw / t  
5
V
DD = 2.4 V to 5.5 V  
∗
Equivalent to 1 minute of monthly deviation  
http://www.epsontoyocom.co.jp  
12

中文翻译

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