rtc-4701 Epson Electronics America, Inc., rtc-4701 Datasheet
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rtc-4701
Manufacturer Part Number
rtc-4701
Description
Built-in Temperature Sensor Serial-interface Real Time Clock Module
Manufacturer
Epson Electronics America, Inc.
Datasheet
1.RTC-4701.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
rtc-4701JE
Manufacturer:
EPSON/爱普生
Quantity:
20 000
Company:
Part Number:
rtc-4701JE:B3 ROHS
Manufacturer:
Epson
Quantity:
500
Company:
Part Number:
rtc-4701NB:B3 ROHS
Manufacturer:
Pericom
Quantity:
6 000
Signal
Temperature
Output tolerance
Temperature
Linearity
Temperature
Output resistance
VTEMP
Built-in Temperature Sensor
SERIAL-INTER FACE REA L TIME C LOCK MODULE
RTC - 4701 JE
/ AIRQ
/SOFF
/ TIRQ
FOUT
DATA Bi-directional
Built in frequency adjusted 32.768 kHz crystal unit.
Interface Type
Operating voltage range
Wide Timekeeper voltage range
Built-in temperature sensor
32.768 kHz frequency output function : C-MOS output With Control Pin
Function of time and calendar, the various interrupt function etc.
CLK
FOE
GND
Temperature sensitivity
Linearity
Output resistance ( Ro )
V
Name
output voltage
sensitivity
detection range
CE
Block diagram
Pin Function
Temperature sensor characteristics
DD
Real time clock module
Real time clock module
Real time clock module
Real time clock module
Item
Output
Output
Output
Output
Output
Input /
Input
Input
Input
Input
VTEMP
/ SOFF
FOUT
FOE
/ AIRQ
/ TIRQ
DATA
CLK
CE
-
-
Symbol
V
T
T
The chip enabled input pin.
The shift clock input pin for serial data transfer.
The data input / output pin for serial data
The voltage output pin for the
The input pin for the temperature sensor control.
Output 1 pin ( N-ch open drain )
Output 2 pin ( N-ch open drain )
Connected to a positive power supply.
Connected to a ground.
V
TEMP
R
ACR
SOP
V
Ro =
SE
NL
(Built -in pull-down resistance)
transfer.
temperature sensor ( analog ).
O
FOE input
SE
NL =
HIGH
Temperature
LOW
32.768 kHz
= ( V ( +85 C )
Sensor
OSC
VTEMP pin, T
GND based output voltage
T
-40 C
-40 C
VTEMP pin, T
GND standard and V
a
NL
= +25 C
If not specifically indicated, GND = 0 V , V
32.768 kHz output
output OFF
a
b
V
1
1
T
T
: 3-wire serial interface
: 1.6 V to 5.5 V
: 1.6 V to 5.5 V
: Detects temperature.
2.0 %
Condition
a
a
Function
Converts output to analog voltage
FOUT
CONTROLLER
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
[
a
a
100 [ % ]
V ( 40 C ) ) / 125 [ mV / C ]
FOUT output
DIVIDER
= +25 C
+85 C
+85 C
= +25 C
]
DD
/
C-MOS output
Hi - z
standard
NB
a : Maximum deviation between the measured value of
b : Difference between the measured values at
VTEMP and approximate straight line.
40 C and +85 C.
http://www.epsontoyocom.co.jp
CLOCK
CALENDAR
TIMER
ALARM
CONTROL
SYSTEM
Min.
-7.1
and
REGISTER
REGISTER
REGISTER
CONTROLLER
40
and
DD
= 2.7 V to 5.5 V , T
1.480
Typ.
-7.6
1.0
10.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Terminal connection / External dimensions
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality, reliability or electrical spec.
Control Line
V
FOUT
CE
/ AIRQ
/ TIRQ
CLK
DATA
FOE
VTEMP
/ SOFF
DD
Max.
+ 85
a
-8.1
3.0
= 40 C to +85 C
5.0
2.0
Actual size
RTC-4701JE
RTC
mV / C
VSOJ 20 pin
Unit
k
%
V
C
C
6.0
5.4
4701 JE
0.2
1.5
32.768 kHz frequency output function
Built-in temperature sensor
The various interrupt function
Max .
Overview
Output voltage
VTEMP
• Diode temperature sensor (analog voltage output)
• FOUT pin output (C-MOS output), CL=30 pF
• FOE pin enables output on/off control.
• 12 bit additional counter. ( to 4095 count )
• Timer function can be set up between
• Alarm function can be set to day of week, hour, or minute.
1/4096 second and 255 minutes.
RTC-4701NB
20.
19.
18.
17.
16.
15.
14.
13.
12.
11.
[ V ]
temperature sensor operating voltage : 2.7 V to 5.5 V
temperature sensor tolerance :
voltage output (analog):
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
GND
b
40
a
* Refer to application manual for details.
Approximate
straight line
V ( 40 C )
10.
11.
Product Number (Please contact us)
RTC-4701JE : Q41470171000200
RTC-4701NB: Q41470191000200
1.
2.
3.
4.
5.
6.
7.
8.
9.
GND
/ SOFF
VTEMP
FOE
DATA
CLK
/ TIRQ
/ AIRQ
CE
FOUT
V
0
DD
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
Temperature
7.6 mV / C Typ.
a
RTC
SON
5 C ( T
5.0
Measured
4.8
4701 NB
22 pin
0.2
a
= +25 C )
1.3
+85
a
0.1
V(+85 C )
(Unit:mm)
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
Ta
[ C]
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Related parts for rtc-4701
rtc-4701 Summary of contents
Page 1
... C and +85 C. http://www.epsontoyocom.co.jp Epson Toyocom Epson Toyocom Epson Toyocom Epson Toyocom Product Number (Please contact us) RTC-4701JE : Q41470171000200 RTC-4701NB: Q41470191000200 RTC-4701NB Overview Built-in temperature sensor • Diode temperature sensor (analog voltage output) temperature sensor operating voltage : 2 5.5 V temperature sensor tolerance : ...
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. ...