RX-4571SA:B3 PURE SN Epson Toyocom Corporation, RX-4571SA:B3 PURE SN Datasheet
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RX-4571SA:B3 PURE SN
Manufacturer Part Number
RX-4571SA:B3 PURE SN
Description
IC REAL TIME CLOCK 14-SOP
Manufacturer
Epson Toyocom Corporation
Series
-r
Type
Clock/Calendarr
Specifications of RX-4571SA:B3 PURE SN
Features
Alarm, Leap Year
Memory Size
-
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
3-Wire Serial
Voltage - Supply
1.6 V ~ 5.5 V
Voltage - Supply, Battery
1 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (0.209", 5.30mm Width)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
NB10-029574
SER3773TR
SER3773TR
* Please ask for tighter tolerance. (Equivalent to 1 minute of monthly deviation)
! ! ! !
! ! ! !
LOW BACKUP VOLTAGE
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RX - 4571 LC
1.
2.
3.
4.
5.
6.
Power voltage
Clock voltage
Operating
Frequency
Oscillation
Specifications (characteristics)
temperature
tolerance
start-up time
Built in freque ncy adjusted 32 .768 kHz crysta l unit.
Interface Type
Operating vo ltage ra nge
Wide Timekeeper vo ltage ra nge
Low backup curre nt
32.768 kHz frequency output function
Real-time clock function
Clock/cale ndar function, a uto leap yea r correction functio n,
alarm i nte rrupt functio n, etc.
Recommended Operating Conditions
Frequency characteristics
Terminal connection / External dimensions
FOE
N.C.
DIO
CLK
CE
GND
Real time clock module
Real time clock module
Real time clock module
Real time clock module
Block diagram
FOUT
FOE
/ IRQ
DIO
CLK
CE
Item
Item
RX 4571 LC
VSOJ 12pin
Symbol
Symbol
2.4
2.8
T
V
V
t
OPR
STA
CLK
DD
f / f
32.768 kHz
T
T
T
V
T
V
FOUT
INTERRUPTS
OSC
a
a
a
a
DD
DD
BUS
= +25 C
= 40 to +85 C
= +25 C
= +25 C
INTERFACE
CONTROLLER
CONTROLLER
Condition
12.
10.
11.
= 3.0 V
= 1.6 V
9.
8.
7.
CIRCUIT
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.
Condition
V
N.C.
N.C.
N.C.
/IRQ
FOUT
DD
DIVIDER
/
:
:
:
:
:
NB
C-MOS output With Control Pin
3-wire serial i nte rface
1.6 V to 5.5 V
1.0 V to 5.5 V / T
0.32 A ( Typ. ) / 3 V
Min.
1.6
1.0
1.1
40
CLOCK and
TIMER
ALARM
CONTROL
SYSTEM
Typ.
+25
3.0
3.0
3.0
http://www.epsontoyocom.co.jp
/
10.
11.
CONTROLLER
1.
2.
3.
4.
5.
6.
7.
8.
9.
1 Max.
5
SA
Rating
CALENDAR
REGISTER
REGISTER
REGISTER
and
FOE
DIO
(GND)
CLK
CE
GND
N.C.
N.C.
FOUT
/IRQ
V
23 *
DD
Max.
+85
a
5.5
5.5
5.5
= +25 C
CONTROL LINE
RX
Unit
Unit
10
SON
V
V
V
s
C
5.0
6
4571 NB
4.8
0.2
22 pin
Actual size
RX-4571LC
1.3
! ! ! !
Symbol
Current consumption characteristics
0 .1
I
I
32k
BK
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
Timer function
32.768 kHz frequency output function
Alarm function
Pin Function
Signal
Name
FOUT
/ IRQ
GND
FOE
CLK
DIO
V
CE
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Overview
DD
CE = GND
/IRQ = OFF
FOUT ;
output OFF ( Hi - z )
CE = GND
/IRQ = OFF
FOUT ;
32.768 kHz output
ON
CL = 30 pF
• FOUT pin output ( C-MOS output ) , CL=30 pF
• Timer function which can be set up between
• Alarm function can be set to any combination of day,
1/4096 second and 4095 minutes.
day of week, hour, or minute.
Input / Output
Bi-directional
RX-4571NB
Output
Output
Condition
Input
Input
Input
-
-
Refer to application manual for details.
1.
2.
3.
4.
5.
6.
7.
The chip enabled input pin 0.
( It has a built -in pull-down resistance )
The shift clock input pin for serial data transfer.
The data input / output pin for serial data transfer.
32.768 kHz clock output pin with the output control
function. ( C-MOS )
FOE pin control the condition of FOUT with
FSEL1-bit, FSEL0-bit, etc.
Interrupt output ( N-ch open drain )
Connected to a positive power supply.
Connected to a ground.
V
V
V
V
DD
DD
DD
DD
Product Number (Please contact us)
RX-4571LC : Q414571C1000100
RX-4571NB : Q41457191000100
RX-4571SA : Q41457151000100
= 5 V
= 3 V
= 5 V
= 3 V
GND
N.C.
CE
CLK
DIO
N.C.
FOE
RX-4571SA
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
Min.
RX
SOP - 14 pin
7.4
Function
4571 SA
5.0
0.40
0.32
Typ.
8.0
5.0
0.2
T
a
= 40 C to +85 C
Max.
1.00
0.95
14.0
8.5
14.
13.
12.
11.
10.
9.
8.
(Unit:mm)
FOUT
N.C.
N.C.
N.C.
/ IRQ
N.C.
V
Unit
DD
A
A
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RX-4571SA:B3 PURE SN Summary of contents
Page 1
... Real time clock module Real time clock module Real time clock module Real time clock module LOW BACKUP VOLTAGE SERIAL-INTERFACE REAL TIME CLOCK MODULE RX - 4571 Built in freque ncy adjusted 32 .768 kHz crysta l unit. Interface Type : 3-wire serial i nte rface : Operating vo ltage ra nge 1 ...
Page 2
EPSON TOYOCOM In order to meet customer needs in a rapidly advancing digital, broadband and ubiquitous society, we are committed to offering products that are one step ahead of the market and a rank above the rest in quality. ...