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RA-4565SA:B3:ROHS PDF预览

RA-4565SA:B3:ROHS

更新时间： 2024-01-01 11:03:32
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 268K
描述
REAL TIME CLOCK, PDSO14, ROHS COMPLIANT, SOP-14

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RA-4565SA:B3:ROHS 数据手册

 浏览型号RA-4565SA:B3:ROHS的Datasheet PDF文件第2页 
Real time clock module  
Product Number (Please contact us)  
RA-4565SA : Q41A46552xxxx00  
REAL TIME CLOCK MODULE (SPI-Bus)  
For Automotive  
Extended operating temperature range (+125C)  
RA - 4565SA  
Built in frequency adjusted 32.768 kHz crystal unit.  
Interface Type  
: 4-wire serial interface  
: 1.6Vto5.5V  
Wide operating voltage range  
Wide Timekeeper voltage range  
: 1.5Vto5.5V  
Ta=-40Cto+125C  
Extended operating temperature range: -40Cto+125C  
32.768 kHz frequency output function : Open drain output  
with Control Pin  
Actual size  
32.768 kHz Clock/calendar function, auto leap year correction function,  
alarm interrupt function, etc.  
Applications : Car audio, Car navigation system, Clock, ECU sub clock  
Conforms to AEC-Q200  
Block diagram  
Overview  
Wide operating temperature range  
-40Cto+125C  
32.768 kHz  
CRYSTAL  
Control 1  
Control 2  
00  
OSC  
Voltage Detector  
DIVIDER  
Clocking-status detection function  
It can judge the validity of data after backup operation  
return by a status of VL-bit.  
Seconds  
Minutes  
Hours  
CLKOUT  
CLKOE  
OUTPUT  
Days  
CONTROL  
32.768 kHz frequency output function  
CLKOUT pin output (Open Drain output )  
Output frequency can be selected as 32.768 kHz,  
1024 Hz, 32 Hz, or 1 Hz.  
Weekdays  
Month / Century  
Years  
/ INT  
CLK  
DI  
Minutes Alarm  
Hour Alarm  
Day Alarm  
Weekday Alarm  
CONTROL  
LOGIC  
SPI-BUS  
 The various interrupt function  
Timer function can be set up between 1/4096 second and  
255 minutes.  
INTERFACE  
DO  
CE  
CLKOUT frequency  
Timer Control  
Timer  
Alarm function can be set to day of week,day, hour,  
or minute.  
ADDRESS  
REGISTER  
0F  
POR  
Pin Function  
Terminal connection/External dimensions  
(Unit:mm)  
SA  
RA4565  
Signal  
Directions  
Name  
Functions  
DD  
V
1. CLK  
2. DI  
14.  
CE  
CLK  
DI  
Input  
Input  
Input  
Chip enabled input.  
Serial clock input.  
Data input.  
13. CLKOUT  
12. CLKOE  
11. N.C.  
10. N.C.  
9. N.C.  
3. DO  
4. CE  
5. /INT  
6. N.C.  
7. GND  
DO  
Output  
Data output.  
The CLKOUT pin is a clock output(open drain output)pin with control  
output.(Output frequency can be selected as 32.768kHz, 1024Hz,  
32Hz, or 1Hz.)  
CLKOUT  
Output  
Input  
5.0  
The CLKOE pin is an input pin used to control the output mode of the  
CLKOUT output pin.  
CLKOE  
During the initial power-on(when power is applied from 0 V), if the  
CLKOE input pin is at high level(= H), the power-on reset function  
7.40.2  
8. N.C.  
selects 32.768kHz as the frequency.  
Interrupts output by Alarm and Timer events.(Open drain output)  
SOP - 14 pin  
/INT  
VDD  
GND  
Output  
VDD  
GND  
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 under backup mode.  
Item  
Symbol  
Conditions  
Min.  
1.6  
1.5  
-40  
Typ.  
3.0  
Max.  
5.5  
unit  
V
Item  
Symbol  
Conditions  
Min.  
-
Typ.  
1.0  
Max.  
2.0  
unit  
Operating  
voltage  
Timekeeper  
voltage  
Operating  
temperature  
VDD  
fSCL=0Hz  
CLKOE="L"  
  
  
  
+125C  
A  
VCLK  
3.0  
5.5  
V
VDD=5V  
-
-
-
0.6  
0.8  
0.5  
1.2  
1.6  
1.0  
-40 to +85C  
+125C  
Standby  
current.  
TOPR  
+25  
+125  
C  
IBK  
fSCL=0Hz  
CLKOE="L"  
Frequency characteristics  
A  
Item  
Symbol  
Conditions  
Rating  
unit  
VDD=3V  
-40 to +85C  
Ta=+25C  
VDD=3.0V  
Ta=+25C  
VDD=1.6V  
Ta=-40Cto+125C  
VDD=3.0V  
Frequency  
stability  
6  
f/f  
B: 5231  
1.5Max.  
10  
s
s
Oscilation  
start up time  
tSTA  
3.0Max.  
1)  
  
Equivalent to 1 minutes of monthly deviation.  
12

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