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RX-8581SA:B3:ROHS PDF预览

RX-8581SA:B3:ROHS

更新时间: 2024-01-19 05:43:04
品牌 Logo 应用领域
精工 - SEIKO 光电二极管外围集成电路
页数 文件大小 规格书
1页 428K
描述
MEMORY REFRESH TIMER, PDSO14, ROHS COMPLIANT, SOP-14

RX-8581SA:B3:ROHS 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:SOP,
Reach Compliance Code:compliant风险等级:5.76
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
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:10
宽度:5 mmuPs/uCs/外围集成电路类型:TIMER, MEMORY REFRESH
Base Number Matches:1

RX-8581SA:B3:ROHS 数据手册

  
Real time clock module  
Epson Toyocom  
I2C-Bus INTERFACE REAL TIME CLOCK MODULE  
RX - 8581 SA  
/
JE NB  
/
Built-in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
:
:
:
:
I2C-Bus Interface (400 kHz)  
Operating voltage range  
Wide Timekeeper voltage range  
Low backup current  
1.8 V to 5.5 V  
1.6 V to 5.5 V  
0.45  
C-MOS output With Control Pin  
The various functions include full calendar, alarm, timer.  
µA / 3 V (Typ.)  
32.768 kHz frequency output function  
:
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 400 kHz )  
I2C-Bus slave address : read A3h and write A2h  
32.768 kHz  
OSC  
CLOCK  
and  
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 %)  
CALENDAR  
FOUT  
FOUT  
TIMER  
Timer function  
CONTROLLER  
REGISTER  
FOE  
• 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 8581 SA  
RX 8581 JE  
RX 8581 NB  
1. / INT  
2. GND  
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.  
1. N.C.  
2. N.C.  
3. FOE  
4. VDD  
5. FOUT  
6. SCL  
7. SDA  
20. N.C.  
19. N.C.  
18. N.C.  
17. N.C.  
16. N.C.  
15. N.C.  
14. N.C.  
13. N.C.  
12. 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.  
3.  
( VDD  
)
4. N.C.  
5. SDA  
6. SCL  
5.0  
4.8  
7. FOUT  
8. VDD  
5.4  
±
1.3 0.1  
8.  
9. GND  
10.  
( VDD  
)
1.5 Max.  
9. FOE  
10. N.C.  
11. N.C.  
13.  
12.  
±
0.2  
7.4  
7.  
8. N.C.  
/ INT  
±
5.0 0.2  
0.2  
±
6.0  
11. N.C.  
/ INT  
SOP 14 pin  
VSOJ 20 pin  
SON 22 pin  
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.  
Specifications (characteristics)  
Refer to application manual for details.  
!
!
Current consumption characteristics  
Recommended Operating Conditions  
Ta = -40 °C to +85 °C  
Item  
Symbol  
Condition  
Min.  
Typ.  
Max.  
Unit  
Item  
Symbol  
Condition  
Min. Typ. Max. Unit  
Power voltage  
Clock voltage  
Operating  
DD  
V
V
1.8  
1.6  
3.0  
3.0  
5.5  
5.5  
V
V
DD  
V
CLK  
SCL  
f
= 0 Hz  
0.65 1.2  
µA  
= 5 V  
FOE = GND  
OPR  
°
C
T
-40  
+25  
+85  
temperature  
BK  
I
FOUT ;  
output OFF ( LOW )  
DD  
V
= 3 V  
0.45 0.8  
!
Frequency characteristics  
Current  
Consumption  
Item  
Symbol  
Condition  
Rating  
Unit  
SCL  
f
= 0 Hz  
DD  
V
= 5 V  
8.0 20.0  
µA  
a
°
= +25 C  
= 3.0 V  
T
V
Frequency  
tolerance  
DD  
6
FOE = V  
×
f / f  
10  
±
5
23  
DD  
32k  
I
FOUT ;  
32.768 kHz output ON  
CL = 30 pF  
DD  
V
= 3 V  
a
°
°
T
V
= -40 C to +85 C  
= 2.4 V to 5.5 V  
5.0 12.0  
FOUT output Duty  
±
%
tw / t  
50  
5
DD  
Please ask for tighter tolerance. ( Equivalent to 1 minute of monthly deviation )  
http://www.epsontoyocom.co.jp  

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