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RA-4565SA PDF预览

RA-4565SA

更新时间： 2024-01-29 18:13:03
品牌 Logo 应用领域
EPSONTOYOCOM 外围集成电路光电二极管时钟
页数 文件大小 规格书
2页 365K
描述
SERIAL INTERFACE REAL TIME CLOCK MODULE

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中文翻译

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RA-4565SA 数据手册

 浏览型号RA-4565SA的Datasheet PDF文件第2页 
Real time clock module  
Epson Toyocom  
Product Number (Please contact us)  
RA-4565SA: Q41A46550xxxx00  
For Automotive  
SERIAL INTERFACE REAL TIME CLOCK MODULE  
RA- 4565SA  
•Built in frequency adjusted 32.768 kHz crystal unit.  
•Interface Type  
•Wide operating voltage range  
•Wide Timekeeper voltage range  
: 4-wire serial interface  
: 1.6 V to 5.5 V  
: 1.5 V to 5.5 V  
Ta  
= −40 °C to +125 °C  
Extended operating temperature range: −40 °C to +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.  
•Conforms to AEC-Q200  
Block diagram  
Overview  
• Wide operating temperature range  
! −40 °C to +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  
Minutes Alarm  
Hour Alarm  
Day Alarm  
Weekday Alarm  
CLK  
DI  
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 /Externaldimensions  
(Unit:mm)  
RA  
−
4565 SA  
Terminal Directions  
Functions  
1. CLK  
2. DI  
14.  
VDD  
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.  
DO  
Output  
Data output.  
3. DO  
4. CE  
5. /INT  
6. N.C.  
7. GND  
The CLKOUT pin is a clock output ( open drain output ) pin with control  
output. ( Output frequency can be selected as 32.768 kHz, 1024 Hz,  
32 Hz, or 1 Hz. )  
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  
selects 32.768 kHz as the frequency.  
± 0.2  
7.4  
8. N.C.  
/INT  
VDD  
GND  
Output  
−
−
Interrupts output by Alarm and Timer events. ( Open drain output )  
VDD  
GND  
SOP - 14 pin  
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.  
"
"
"
Current consumption under backup mode.  
Recommended Operating Conditions  
Item  
Symbol  
Conditions  
Min.  
1.6  
Typ.  
3.0  
Max.  
5.5  
unit  
V
Item  
Symbol  
Conditions  
Min.  
Typ.  
1.0  
Max.  
2.0  
unit  
Operating  
voltage  
DD  
V
−
SCL  
f
= 0 Hz  
CLKOE = "L"  
DD = 5 V  
+125 °C  
Timekeeper  
voltage  
Operating  
temperature  
µ
A
CLK  
−
−
V
1.5  
3.0  
5.5  
V
V
-40 to +85 °C  
0.6  
0.8  
0.5  
1.2  
1.6  
1.0  
Standby  
current.  
−
40  
°
C
T
OPR  
+25  
+125  
BK  
I
SCL  
f
= 0 Hz  
CLKOE = "L"  
DD = 3 V  
°
+125  
C
Frequency characteristics  
µ
A
Item  
Symbol  
Conditions  
Rating  
unit  
V
°
C
-40 to +85  
°
Ta = +25 C  
Frequency  
stability  
1
−6  
∆
±
×
f / f  
5
23  
10  
s
DD  
V
= 3.0 V  
°
Ta = +25 C  
1.5 Max.  
3.0 Max.  
DD  
Oscilation  
start up time  
V
= 1.6 V  
−
STA  
t
°
°
Ta = 40 C to +125 C  
s
VDD = 3.0 V  
1 )  
Equivalent to 1 minutes of monthly deviation.  
http://www.epsontoyocom.co.jp  
12

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