RTC-4574JE Epson, RTC-4574JE Datasheet
RTC-4574JE
Manufacturer Part Number
RTC-4574JE
Description
Manufacturer
Epson
Datasheet
1.RTC-4574JE.pdf
(2 pages)
Specifications of RTC-4574JE
Bus Type
Serial (3-Wire)
Date Format
DW:DM:M:Y
Time Format
HH:MM:SS
Operating Supply Voltage (typ)
3V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Pin Count
20
Mounting
Surface Mount
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
RTC-4574JE
Manufacturer:
EPSON/爱普生
Quantity:
20 000
Company:
Part Number:
RTC-4574JE B
Manufacturer:
SEIKOEPSON
Quantity:
2 600
Part Number:
RTC-4574JE B
Manufacturer:
EPSON/爱普生
Quantity:
20 000
Company:
Part Number:
RTC-4574JE:B3 ROHS
Manufacturer:
Epson
Quantity:
15 186
! ! ! !
Power voltage
Clock voltage
Operating
! ! ! !
Frequency
Oscillation
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RTC - 4574 SA
FOUT
FCON
/ TIRQ
/ AIRQ
DATA
CLK
CE 1
CE 0
1.
2.
3.
4.
5.
6.
7.
Please ask for tighter tolerance.(Equivalent to 1 minute of monthly deviation)
temperature
tolerance
start-up time
Specifications (characteristics)
Frequency characteristics
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.
Terminal connection / External dimensions
Recommended Operating Conditions
Real time clock module
Real time clock module
Real time clock module
Real time clock module
Block diagram
GND
FOUT
N.C.
N.C.
N.C.
N.C.
V
DD
Item
Item
RTC
SOP 14 pin
Symbol
Symbol
V
T
7.4
V
t
OPR
STA
4574 SA
CLK
5.0
DD
f / f
0 .2
32.768 kHz
OUTPUT
INTERRUPTS
OSC
T
V
T
V
BUS
a
DD
a
DD
= +25 °C
= +25 °C
INTERFACE
Condition
CONTROLLER
CONTROLLER
= 3.0 V
= 1.6 V
CIRCUIT
-
-
-
14.
13.
12.
11.
10.
Condition
9.
8.
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.
DIVIDER
FCON
CE1
DATA
CLK
/ TIRQ
/ AIRQ
CE0
: 3-wire serial interface
: 1.6 V to 5.5 V
: 1.6 V to 5.5 V
: 0.5 A / 3 V ( Typ. )
Min.
1.6
1.6
40
/
JE
Typ.
+25
3.0
3.0
CLOCK and
TIMER
ALARM
CONTROL
SHIFT REGISTER
3 Max.
Rating
5 23
http://www.epsontoyocom.co.jp
10.
1.
2.
3.
4.
5.
6.
7.
8.
9.
/
Max.
+85
CALENDAR
5.5
5.5
REGISTER
REGISTER
REGISTER
NB
V
FOUT
CE0
/ AIRQ
/ TIRQ
CLK
DATA
CE1
FCON
GND
DD
Unit
Unit
°C
10
V
V
s
CONTROL LINE
RTC
6
VSOJ 20 pin
6.0
4574 JE
5.4
0.2
Actual size
RTC-4574SA
! ! ! !
Current
Consumption
1.5
Current consumption characteristics
Max.
Item
Functions are compatible with RX - 4574 LC.
20.
19.
18.
17.
16.
15.
14.
13.
12.
11.
Timer function
32.768 kHz frequency output function
Alarm function
Overview
Symbol
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
• FOUT pin output (C-MOS output ), CL=30 pF
• Output frequency selectable from1/30 Hz to 32.768 kHz
• Timer function can be set up between 1/4096 second and
• It is recorded automatically to TF-bit at the time of event
• Selectable one time mode or repeat mode.
• Alarm function can be set to any combination of day of week,
• It is recorded automatically to AF-bit at the time of event
255 minutes.
occurrence, and it’s possible to output with /TIRQ pin output
(open-drain output).
hour, or minute.
occurrence, and it’s possible to output with /AIRQ pin
output (open-drain output).
I
I
32k
BK
RTC-4574JE
CE0, CE1 = GND
FOUT ;output OFF
CE0 = GND
CE1 = V
FOUT ;
32.768 kHzoutput ON
CL = 30 pF
(32 Values)
( Hi - z )
DD
Condition
10.
11.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Refer to application manual for details.
Product Number (Please contact us)
RTC-4574SA : Q41457451000200
RTC-4574JE : Q41457471000100
RTC-4574NB : Q41457491000100
GND
FCON
N.C.
CE1
DATA
CLK
/ TIRQ
/ AIRQ
CE0
FOUT
V
DD
RTC-4574NB
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
V
V
V
V
RTC
= 5 V
= 3 V
= 5 V
= 3 V
DD
DD
DD
DD
SON
5.0
Min.
4574 NB
4.8
22 pin
0. 2
Typ.
T
1.0
0.5
8.0
5.0
1.3
a
= -40 C to +85 C
0.1
Max. Unit
20.0
12.0
2.0
1.0
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
(Unit:mm)
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
µA
µA
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RTC-4574JE Summary of contents
Page 1
... Epson Toyocom Epson Toyocom Epson Toyocom Epson Toyocom Product Number (Please contact us) RTC-4574SA : Q41457451000200 RTC-4574JE : Q41457471000100 RTC-4574NB : Q41457491000100 RTC-4574JE RTC-4574NB Overview • FOUT pin output (C-MOS output ), CL=30 pF • Output frequency selectable from1/ 32.768 kHz (32 Values) • Timer function can be set up between 1/4096 second and 255 minutes. • ...
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 ...