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參數(shù)資料
| 型號： | RX-8571NB |
| 廠商： | EPSON TOYOCOM CORP |
| 元件分類： | 時鐘/數(shù)據(jù)恢復及定時提取 |
| 英文描述： | REAL TIME CLOCK, PDSO22 |
| 封裝： | ROHS COMPLAINT, SON-22 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 520K |
| 代理商： | RX-8571NB |
Actual size
http://www.epsontoyocom.co.jp
Real time clock module
Epson Toyocom
Block diagram
Overview
INTERRUPTS
CONTROLLER
ALARM REGISTER
OSC
/ IRQ
INTERFACE
CIRCUIT
SCL
( 32.768 kHz )
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
DIVIDER
CLOCK
FOUT
CONTROLLER
FOUT
and
CALENDAR
SDA
TIMER REGISTER
/BM
USER REGISTER
128 bit (16 word x 8 bit)
FOE
XD
XG
DAS
32.768 kHz frequency output function
FOE pin enable output on/off control.
Output frequency can be selected
as 32.768 kHz, 1024 Hz, 1 Hz.
Timer Function
Timer function can be set up between
1/4096 second and 65535 hours.
Timing period are 1 h, 1 min, 64 Hz, 4096 Hz.
It is recorded automatically to TF-bit at the time of
event occurs, and possible to output with /IRQ pin
output.
Alarm function
Alarm function can be set to day of week,
day, hour, or minute.
It is recorded automatically to AF-bit at the time of
event occurs, and possible to output with /IRQ pin
output.
Built-in RAM
128 bit (16 word x 8 bit)
Terminal connection / External dimensions
(Unit:mm)
RX
8571 SA
1. GND
14. FOUT
2. N.C.
13. N.C.
3. DAS
12. N.C.
4. SCL
11. N.C.
5. SDA
10. / IRQ
6. /BM
9. N.C.
7. FOE
10.
1±
0.2
5.0
7.4 ± 0.2
3.
2
±
0.1
1.
27
8. VDD
SOP - 14 pin
RX
8571 NB
1. FOE
22. N.C.
2. /BM
21. N.C.
3. (GND)
20. N.C.
4. SDA
19. N.C.
5. SCL
18. N.C.
6. DAS
17. N.C.
7. GND
16. N.C.
8. N.C.
15. N.C.
9. FOUT
14. N.C.
10. /IRQ
13.
11. VDD
4.8
6.
3
Ma
x.
5.0 ± 0.2
0.
5
1.3 ± 0.1
12.
SON 22 pin
RX
8571 LC
1. FOE
12.
VDD
2. /BM
11.
N.C.
3. SDA
10.
N.C.
4. SCL
9.
N.C.
5. DAS
8.
/IRQ
6. GND
2.4
3.
6
1.
2
Ma
x.
2.8
0.
5
7.
FOUT
VSOJ
12pin
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
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Power voltage
VDD
-
1.6
3.0
5.5
V
Clock voltage
VCLK
-
1.3
3.0
5.5
V
Operating
temperature
TOPR
-
-40
+25
+85
°C
Frequency characteristics
Item
Symbol
Condition
Rating
Unit
Frequency
tolerance
f / f
Ta = +25
°C
VDD = 3.0 V
5
± 23
× 10
6
Oscillation
start up time
tSTA
Ta = +25
°C
VDD = 1.6 V
1 Max.
s
Please ask for tighter tolerance. ( Equivalent to 1 minute of monthly deviation )
Current consumption characteristics
Item
Symbol
Condition
Min.
Typ. Max. Unit
LC
type
220
400
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
VDD =3.0V
Ta= +25
°C
SA/NB
type
200
400
nA
Current
Consumption
IDD
FOE=/BM=”L”
FOUT= OFF
/IRQ = OFF
VDD =3.0V
Ta= -40 °C to +85 °C
550
nA
RX-8571NB
RX-8571LC
RX-8571SA
Low current consumption
I2C-Bus INTERFACE REAL TIME CLOCK MODULE
RX - 8571 SA / NB / LC
Built-in frequency adjusted 32.768 kHz crystal unit.
Interface Type
: I2C-Bus Interface (400 kHz)
Operating voltage range
: 1.6 V to 5.5 V
Wide Timekeeper voltage range : 1.3 V to 5.5 V
Low backup current
: 220 nA / 3 V (Typ.)
32.768 kHz frequency output function : C-MOS output With Control Pin
User RAM
: 128 bit
The various functions include full calendar, alarm, timer,etc.
(Long-running timer : 65535 hours)
* The I2C-Bus is a trademark of NXP Semiconductors
Product Number (Please contact us)
RX-8571SA : X1B000071xxxx00
RX-8571NB : X1B000061xxxx00
RX-8571LC : X1B000051xxxx00
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| RX-8581JEB-0 | REAL TIME CLOCK, PDSO20 |
| RX-8581JEB-3 | REAL TIME CLOCK, PDSO20 |
| RX-8581JEB-0 | REAL TIME CLOCK, PDSO20 |
| RX-8581NBB-3 | REAL TIME CLOCK, PDSO22 |
| RX-8731LC | 0 TIMER(S), REAL TIME CLOCK, PDSO12 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| RX-8571NBB | 制造商:Seiko Epson Corporation 功能描述:Cut Tape |
| RX-8571SA | 制造商:EPSONTOYOCOM 制造商全稱:Epson ToYoCom 功能描述:I2C-Bus INTERFACE REAL TIME CLOCK MODULE |
| RX-8571SAB | 制造商:Seiko Epson Corporation 功能描述:Cut Tape |
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