rx-4801sa Epson Electronics America, Inc., rx-4801sa Datasheet
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rx-4801sa
Manufacturer Part Number
rx-4801sa
Description
Built-in 32.768 Khz-dtcxo, High Stability Serial-interface Real Time Clock Module
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.RX-4801SA.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
rx-4801sa UA
Manufacturer:
OKI
Quantity:
4 333
Company:
Part Number:
rx-4801sa:UB3 PURE
Manufacturer:
Cortina
Quantity:
21
! Electrical Characteristics
Built-in 32.768 kHz-DTCXO, High Stability
SERIAL-INTER FACE REA L TIME C LOCK MODULE
RX - 4801 SA
1 )
3 )
Interface voltage
Temp. compensated
Clock voltage
Operating temperatue
Stability
Current consumption
(1)
Current consumption
(2)
voltage
Equivalent to 5 seconds of month deviation.
Equivalent to 10 seconds of month deviation.
Block diagram
Pin Function
Signal Name
Specifications (characteristics)
Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.
Interface Type
Interface voltage range
Temp.compensated voltage range: 2.2 V to 5.5 V
Wide Timekeeper voltage range
32.768 kHz frequency output function : C-MOS output With Control Pin
The various functions include full calendar, alarm, timer.
Real time clock module
Real time clock module
Real time clock module
Real time clock module
T2(V
FOUT
TEST
/ INT
GND
CLK
FOE
V
DO
CE
D I
DD
Item
CE
FOUT
FOE
/ INT
D I
DO
CLK
PP
)
Pin No.
10
12
13
14
11
1
2
3
5
6
7
Symbol
V
V
T
V
I
I
OPR
BK1
BK2
TEM
CLK
DD
f / f
Output
Output
Output
input
input
input
input
input
I / O
-
-
-
Backup Mode
FOE = GND,
FOUT output : OFF V
UA
UB
Interface voltage
Temp. compensated voltage
/INT = V
The chip enable input pin.
The shift clock input pin for serial data transfer.
The pin outputs the refarence clock signal.
* Use by the manufacture for testing.
Connected to a positive power supply
The input pin for the FOUT output control.
The open drain output for interrupt.
Connected to a ground
* Use by the manufacture for testing.
The data output pin for serial data transfer.
The data input pin for serial data transfer.
( CMOS output )
( Do not connect externally.)
( Do not connect externally.)
Ta = 0 ºC to +40 ºC
Ta = -40 ºC to +85 ºC
Ta = 0 ºC to +50 ºC
Ta = -40 ºC to +85 ºC
FOUT
INTERRUPT
DD
CONT ROLLER
CONT ROLLER
INT ERFACE
DIVIDER
Condition
DTCXO
2 )
32kHz
4 )
Equivalent to 9 seconds of month deviation.
: 4-wire serial interface
: 1.8 V to 5.5 V
: 1.6 V to 5.5 V
CIRCUIT
-
-
Equivalent to 13 seconds of month deviation.
V
32.768 kHz
DD
DD
= 5V
= 3V
http://www.epsontoyocom.co.jp
Function
Min.
1.8
2.2
1.6
40
-
-
TIMER
ALARM
CONTROL
SYST EM
CONTROLLER
CLOCK
REGIST ER
REGIST ER
REGIST ER
CALENDAR
and
and
±1.9
±3.4
±3.8
±5.0
Typ.
+25
3.0
3.0
3.0
1.2
0.8
1
2
3
4
Max.
+85
5.5
5.5
5.5
3.4
2.8
Actual size
Unit
10
V
V
V
C
A
6
High Stability
32.768 kHz frequency output function
The various interrupt
! ! ! ! 32.768 kHz-DTCXO Frequency temperature characteristics (Example)
Overview
UA
UB
Alarm Function can be set to day of week,
FOUT pin output (C-MOS output), CL=30 pF
Output selectable
Timer Function can be set up between
± 1.9 x 10
± 3.4 x 10
± 3.8 x 10
± 5.0 x 10
1/ 4096 second and 255 minutes.
day, hour, or minute.
Terminal connection / External dimensions
( Equivalent to 5 seconds of month deviation )
( Equivalent to 9 seconds of month deviation )
( Equivalent to 10 seconds of month deviation )
( Equivalent to 13 seconds of month deviation )
< 32.768 kHz, 1024 Hz, 1 Hz >
-10
-15
-20
-25
-30
10
-5
5
0
-45
Metal may be exposed on the top or bottom of this product.
1.
2.
3.
4.
5.
6.
7.
This w ill not affect any quality, reliability or electrical spec.
-35
-6
-6
-6
-6
CE
CLK
FOUT
N.C.
TEST
V
FOE
32.768 kHz DTCXO
/
/ -40 ºC to +85 ºC
/
/ -40 ºC to +85 ºC
DD
-25
Frequency temperature characteristics
Refer to application manual for details.
-15
0 ºC to +40 ºC
0 ºC to +50 ºC
Product Number (Please contact us)
RX-4801SA : X1B000021xxxx00
RX
-5
Temperature (ºC)
SOP
5
4801 SA
7.4
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
5.0
15
14 pin
0 .2
25
35
45
14.
13.
12.
11.
10.
9.
8.
Tuning fork X'tal
55
DI
DO
T2(V
GND
/ INT
N.C.
N.C.
65
PP
75
)
(Unit:mm)
85
Related parts for rx-4801sa
rx-4801sa Summary of contents
Page 1
... 0.8 2.8 DD http://www.epsontoyocom.co.jp Epson Toyocom Epson Toyocom Epson Toyocom Epson Toyocom Product Number (Please contact us) RX-4801SA : X1B000021xxxx00 Overview High Stability UA -6 ± 1 ºC to +40 ºC ( Equivalent to 5 seconds of month deviation ) -6 ± 3 -40 ºC to +85 ºC ( Equivalent to 9 seconds of month deviation ) ...
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. ...