RX-4045SAAA Epson Toyocom Corporation, RX-4045SAAA Datasheet
RX-4045SAAA
Manufacturer Part Number
RX-4045SAAA
Description
RTC HI STABILITY SERIAL, SMD, SOP14
Manufacturer
Epson Toyocom Corporation
Datasheet
1.RX-4045SAAA.pdf
(2 pages)
Specifications of RX-4045SAAA
Clock Format
12Hr / 24Hr
Clock Ic Type
RTC
Digital Ic Case Style
SOP
No. Of Pins
14
Operating Temperature Range
-40°C To +85°C
Operating Temperature
RoHS Compliant
Date Format
YYYY
Interface Type
Serial
Supply Voltage Range
1.7V To 5.5V
Rohs Compliant
Yes
! ! ! !
Power voltage
Clock voltage
Operating
! ! ! !
Frequency
Oscillation
Frequency / voltage
FOUT
/INT
1) 2)
High-Stability Frequency
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RX - 4045 SA
Signal
Name
FOUT
TEST
GND
/ INT
CLK
start-up time
characteristics
V
temperature
tolerance
DO
CE
Block diagram
Pin function
DI
Specifications (characteristics)
DD
Frequency characteristics
Real time clock module
Real time clock module
Real time clock module
Real time clock module
Built-in 32.768 kHz quartz oscillator : Frequency adjusted for high accuracy.
Operating voltage range
Wide Timekeeper voltage range
Various detection Functions
Low backup current
32.768 kHz clock frequency output
Function of time and calendar, the various detection function,
Interface Type
and interrupt function etc.
Recommended Operating Conditions
86
Item
Item
Equivalent to 13 seconds of monthly deviation (excluding offset.)
Output
Output
Output
Output
Input /
Input
Input
Input
-
-
-
OSC
DETECT
CONTROL
OUTPUT
OSC
32kHz
The chip enabled input pin.
At the " H " level, access becomes possible.
The data input pin for serial data transfer.
The data output pin for serial data transfer.
The shift clock input pin for serial data transfer.
32.768 kHz clock output pin with the output control
function ( N-ch open drain )
High impedance at the time of output off.
Interrupt output ( N-ch open drain )
Connected to a positive power supply.
Connected to a ground.
( built -in pull-down resistance )
(Do not connect externally.)
Symbol
Symbol
Used by the manufacturer for testing.
T
V
t
V
f / V
CORREC
DIVIDER
OPR
STA
CLK
DD
f / f
-TION
INTERRUPT CONTROL
T
V
T
V
T
V
a
DD
a
DD
a
DD
= +25°C
= +25 °C
= +25 °C
Condition
DIV
= 3.0 V
= 2.0 V
= 2.0 V to 5.5 V
-
-
-
Function
Condition
COMPARATOR_W
COMPARATOR_D
: 4 wire high accuracy serial interface
: 1.7 V to 5.5 V
: 1.15 V to 5.5 V
: Oscillation stop detection function etc.
: 0.48 A / 3 V (Typ.)
: N-ch open drain output
(SEC,MIN,HOUR,WEEK,DAY,MONTH,YEAR)
DECODER
ADDRESS
( 5 10
/
Min.
1.7
1.15
-40
NB
6
TIME COUNTER
SHIFT REGISTER
/ T
Typ.
+25
AC: 0
3.0
3.0
AA: 5
a
1 Max.
Rating
= +25 C)
REGISTER
ADDRESS
1 Max.
http://www.epsontoyocom.co.jp
ALARM_W REGISTER
ALARM_D REGISTER
(MIN,HOUR, WEEK)
5
5
Max.
+85
(MIN,HOUR)
5.5
5.5
1)
2)
Unit
Unit
1.
2.
3.
4.
5.
6.
7.
Terminal connection / External dimensions
10
10
Metal may be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
V
V
s
C
CONTROL
N.C.
CLK
FOUT
N.C.
TEST
V
CE
6
6
DD
I/O
VOLTAGE
DETECT
Actual size
RX-4045SA
RX
! ! ! !
! ! ! !
High-voltage mode
Low-voltage mode
Current
Consumption
SOP
DC characteristics
Power supply detection voltage
7.4
Item
4045 SA
5.0
V
GND
0.2
DD
CLK
D I
DO
Item
14 pin
CE
Refer to application manual for details.
Symbol
I
I
32k
BK
14.
13.
12.
11.
10.
Features built-in 32.768 kHz quartz oscillator
The various detection Function
Equipped with alarm and timer
9.
8.
CE = GND
RX-4045NB
Overview
FOUT ;
CE = GND
FOUT ;
Symbol
V
V
N.C.
DO
DI
GND
/ INT
N.C.
N.C.
▪Frequency adjusted for high precision
▪Power supply voltage monitoring function
▪Stop detection function
▪Power-on reset detection function
▪
DETH
DETL
( 5 10
( Equivalent to 13 seconds of monthly deviation )
Timer function produces a periodic interruption signal.
produced. (Date of the week , time , minute)
As for the Alarm function an optional combination is
(with selectable detection threshold )
output OFF
32.768 kHz
output ON
Condition
(Hi-z)
6
10.
11.
Condition
/T
1.
2.
3.
4.
5.
6.
7.
8.
9.
V
V
a
DD
DD
= +25 C )
V
V
V
CE
V
(GND)
TEST
FOUT
CLK
DO
DI
GND
/ INT
N.C.
pin
pin
DD
DD
DD
DD
= 5 V
= 3 V
= 3 V
Min.
Min.
1.90
1.15
RX
SON
5.0
4045 NB
4.8
0.60
0.48
0.65
2.10
1.30
Typ.
Typ.
22 pin
0.2
T
T
a
a
= 40 C to +85 C
= 30 C to +70 C
1.3
Max.
1.80
1.20
2.00
Max.
2.30
1.45
0.1
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
(Unit:mm)
Unit
Unit
µA
µA
V
V
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
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RX-4045SAAA Summary of contents
Page 1
... Real time clock module Real time clock module Real time clock module Real time clock module High-Stability Frequency SERIAL-INTERFACE REAL TIME CLOCK MODULE RX - 4045 Built-in 32.768 kHz quartz oscillator : Frequency adjusted for high accuracy Interface Type : 4 wire high accuracy serial interface Operating voltage range : 1 ...
Page 2
... LAN and WAN on a global scale. Epson Toyocom Corporation addresses every single aspect within a network environment. The new corporation offers “Digital Convergence” solutions to problems arising with products for consumer use, such as, core network systems and automotive systems ...