RTC-4543SA:A0:ROHS Epson Toyocom Corporation, RTC-4543SA:A0:ROHS Datasheet
RTC-4543SA:A0:ROHS
Manufacturer Part Number
RTC-4543SA:A0:ROHS
Description
IC REAL TIME CLOCK 14-SOIC
Manufacturer
Epson Toyocom Corporation
Type
Clock/Calendarr
Specifications of RTC-4543SA:A0:ROHS
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (5.3mm Width), 14-SOP, 14-SOIJ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Other names
RTC-4543SA-A0:ROHS
RTC-4543SA-A0:ROHS
SER3245TR
RTC-4543SA-A0:ROHS
SER3245TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RTC-4543SA:A0:ROHS
Manufacturer:
Epson
Quantity:
48 707
! ! ! !
Power voltage
Clock voltage
Operating
! ! ! !
Frequency
Oscillation
Simple Function
SERIAL-INTER FACE REA L TIME C LOCK MODULE
RTC - 4543 SA
Signal Name Input / Output
Please ask for tighter tolerance.(Equivalent to 1 minute of monthly deviation )
temperature
tolerance
start-up time
Block diagram
Pin Function
FOUT
Specifications (characteristics)
DATA
Built in frequency adjusted 32.768 kHz crystal unit.
Interface type : 3-wire serial interface
Operating voltage range : 2.5 V to 5.5 V
Wide Timekeeper voltage range: 1.4 V to 5.5 V
32.768 kHz frequency output function: C-MOS output With Control Pin
The various functions include full calendar, timer, and low voltage detection.
FSEL
GND
FOE
Frequency characteristics
FOUT
FSEL
FOE
DATA
CLK
W R
CE
CLK
V
WR
CE
Recommended Operating Conditions
Real time clock module
Real time clock module
Real time clock module
Real time clock module
DD
Item
Item
Bi-directional The data input / output pin for serial data transfer.
Output
Input
Input
Input
Input
Input
-
-
Symbol
Symbol
V
T
V
t
OPR
STA
CONTROLLER
CLK
CONTROLLER
DD
f / f
The chip enabled input pin.
At the HIGH level, access becomes possible.
The shift clock input pin f or serial dat a transfer.
DATA pin input / output switching pin.
32.768 kHz or 1Hz clock output pin
High impedance at output off.
The input pin f or the FOUT output control.
Select t he frequency that is output from the
Connected to a positive power supply.
Connected to a ground.
(C-MOS output).
OUTPUT
FOUT pin.
OSC
I / O
T
V
T
V
a
DD
a
DD
32.768 kHz
= +25 °C
= +25 °C
Condition
= 5.0 V
= 2.5 V
-
-
-
Condition
DIVIDER
Function
Min.
-40
2.5
1.4
/
SB
VOLTAGE
DETECT
Typ.
+25
5.0
5.0
CLOCK AND
3 Max.
Rating
5 23
http://www.epsontoyocom.co.jp
SHIFT REGISTER
Max.
+85
5.5
5.5
CALENDAR
Unit
Unit
1.
2.
3.
4.
5.
6.
7.
CONTROL
°C
10
V
V
s
CIRCUIT
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.
Terminal connection / External dimensions
GND
N.C.
CE
FSEL
WR
FOE
N.C.
6
Actual size
RTC-4543SA
RTC
! ! ! !
! ! ! !
Power supply
Current
Consumption
detection voltage
SOP
Current consumption characteristics
Supply Voltage Detection Characteristic
7.4
Item
5.0
4543 SA
0 .2
14 pin
Item
32.768 kHz frequency output function
Symbol
Power supply voltage monitoring function
Overview
I
BK
14.
13.
12.
11.
10.
•FOUT pin output (C-MOS output ), CL=30 pF
•FOE pin enables output on/off control.
•FSEL pin enables output selectable 32.768 kHz or 1 Hz.
•Detection that power supply voltage descended to 1.7 V or less.
•Automatic record to FDT-bit at the time of power supply
RTC-4543SB
9.
8.
decline detection.
CE = GND
FOE = GND
FOUT
N.C.
N.C.
DATA
CLK
V
N.C.
FOUT ;output OFF
DD
Symbol
* Refer to application Manual for details.
V
DT
(Hi-z)
Condition
1.
2.
3.
4.
5.
6.
7.
8.
9.
Product Number (Please contact us)
RTC-4543SA : Q41454351000200
RTC-4543SB : Q41454361000200
Condition
N.C.
N.C.
N.C.
N.C.
FOE
WR
FSEL
CE
GND
V
DD
V
V
V
pin
DD
DD
DD
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
= 5 V
= 3 V
= 2 V
RTC
SOP 18 pin
Min.
Min.
1.4
7.8
5.4
4543 SB
0.2
Typ.
Typ.
T
1.5
1.0
0.5
T
1.7
a
a
= -40 C to +85 C
= -40 C to +85 C
2.0
Ma x.
Max. Unit
Max. Unit
3.0
1.0
2.0
2.0
18.
17.
16.
15.
14.
13.
12.
11.
10.
(Unit:mm)
µA
V
N.C.
N.C.
N.C.
N.C.
V
N.C.
CLK
DATA
FOUT
DD
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RTC-4543SA:A0:ROHS Summary of contents
Page 1
... Real time clock module Real time clock module Real time clock module Simple Function SERIAL-INTER FACE REA L TIME C LOCK MODULE RTC - 4543 SA / Built in frequency adjusted 32.768 kHz crystal unit. Interface type : 3-wire serial interface Operating voltage range : 2 5.5 V Wide Timekeeper voltage range ...
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. ...