RX-8581SA:B3:ROHS Epson, RX-8581SA:B3:ROHS Datasheet
RX-8581SA:B3:ROHS
Manufacturer Part Number
RX-8581SA:B3:ROHS
Description
Real Time Clock 32.768KHz 3.0Volts 5+/-23ppm -40C +85C
Manufacturer
Epson
Datasheet
1.RX-8581SAB3ROHS.pdf
(2 pages)
Specifications of RX-8581SA:B3:ROHS
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
I2C
Package / Case
SOP-14
Time Format
HH:MM:SS
Date Format
DW:DM:M:Y
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RX-8581SA:B3:ROHS
Manufacturer:
ADI
Quantity:
3 601
FOUT
FOE
/ INT
SCL
SDA
Power voltage
Clock voltage
Operating
Frequency
FOUT output Duty
I
RX - 8581 SA
Please ask for tighter tolerance. ( Equivalent to 1 minute of monthly deviation )
1.
2.
3.
4.
5.
6.
7.
2
temperature
tolerance
C-Bus INTERFACE REAL TIME CLOCK MODULE
Block diagram
Terminal connection / External dimensions
Specifications (characteristics)
* The I
Built-in frequency adjusted 32.768 kHz crystal unit.
Interface Type
Operating voltage range
Wide Timekeeper voltage range
Low backup current
32.768 kHz frequency output function : C-MOS output With Control Pin
The various functions include full calendar, alarm, timer.
Recommended Operating Conditions
Frequency characteristics
Real time clock module
Real time clock module
Real time clock module
Real time clock module
N.C.
SCL
SDA
N.C.
GND
N.C.
/ INT
Item
Item
2
C-Bus is a trademark of NXP Semiconductors
32.768 kHz
OSC
RX
SOP
Symbol
Symbol
T
V
7.4
tw / t
V
OPR
8581 SA
CLK
5.0
DD
f / f
14 pin
0.2
T
V
T
V
FOUT
INTERRUPTS
I
a
a
DD
DD
2
C-BUS
= +25 C
= -40 C to +85 C
Condition
INTERFACE
CONTROLLER
CONTROLLER
= 3.0 V
= 2.4 V to 5.5 V
DIVIDER
-
-
-
14.
13.
12.
11.
10.
Condition
9.
8.
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
CIRCUIT
FOUT
N.C.
N.C.
V
FOE
N.C.
N.C.
DD
/
: I
: 1.8 V to 5.5 V
: 1.6 V to 5.5 V
: 0.45 A / 3 V (Typ.)
Min.
1.8
1.6
-40
JE
2
C-Bus Interface (400 kHz)
Typ.
+25
3.0
3.0
/
Rating
5 23
http://www.epsontoyocom.co.jp
50
CLOCK
10.
NB
TIMER
ALARM
CONTROL
SYSTEM
1.
2.
3.
4.
5.
6.
7.
8.
9.
CONTROLLER
Max.
5
+85
5.5
5.5
and
N.C.
N.C.
FOE
V
FOUT
SCL
SDA
( V
GND
/ INT
DD
CALENDAR
REGISTER
REGISTER
REGISTER
and
DD
)
Unit
Unit
10
%
V
V
C
RX
6
VSOJ
6.0
8581 JE
5.4
20 pin
0.2
Actual size
RX-8581SA
Current
Consumption
1.5
Current consumption characteristics
Max.
Item
20.
19.
18.
17.
16.
15.
14.
13.
12.
11.
Symbol
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
32.768 kHz frequency output function
Timer function
Interrupt function
I
I
32k
Interface Type
BK
Overview
RX-8581JE
• I
• FOUT pin output (C-MOS output ), CL=30 pF
• 32.768 kHz clock frequency output. (Duty 50 ±5 %)
• Timer interrupt function can be set up between
• It is recorded automatic to TF-bit at the time of event
• Alarm interrupt function, Time update interrupt function.
1/4096 second and 4095 minutes.
occurrence,and possible to output with /TIRQ pin output
(N-ch open-drain output).
f
FOE = GND
FOUT ;
output OFF ( LOW )
f
FOE = V
FOUT ;
32.768 kHz output ON
CL = 30 pF
2
C-Bus interface. ( Hi-speed bus specifications 400 kHz )
SCL
SCL
I
2
C-Bus slave address : read A3h and write A2h
= 0 Hz
= 0 Hz
DD
10.
11.
Condition
1.
2.
3.
4.
5.
6.
7.
8.
9.
Refer to application manual for details.
Product Number (Please contact us)
RX-8581SA : Q41858151xxxx00
RX-8581JE : Q41858171xxxx00
RX-8581NB : Q41858191000200
/ INT
GND
( V
N.C.
SDA
SCL
FOUT
V
FOE
N.C.
N.C.
DD
DD
RX-8581NB
)
V
V
V
V
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
DD
DD
DD
DD
= 5 V
= 3 V
= 5 V
= 3 V
RX
SON
5.0
8581 NB
Min.
4.8
22 pin
0.2
1.3
Typ.
0.65
0.45
T
8.0
5.0
a
= -40 C to +85 C
0.1
Max.
17.
22.
21.
20.
19.
18.
16.
15.
14.
13.
12.
20.0
12.0
1.2
0.8
(Unit:mm)
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Unit
µA
µA
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RX-8581SA:B3:ROHS Summary of contents
Page 1
... Real time clock module Real time clock module Real time clock module Real time clock module 2 I C-Bus INTERFACE REAL TIME CLOCK MODULE RX - 8581 Built-in frequency adjusted 32.768 kHz crystal unit. 2 Interface Type : I C-Bus Interface (400 kHz) Operating voltage range : 1 5.5 V Wide Timekeeper voltage range : 1 ...
Page 2
... Epson Toyocom. ●The information, applied circuitry, programming, usage, etc., written in this material is intended for reference only. Epson Toyocom does not assume any liability for the occurrence of infringing on any patent or copyright of a third party ...