Real time clock module
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RTC-4513
• Builtin crystal unit allows adjustment-free efficient operation.
• Using a serial interface, controllable only three signal lines.
• Automatic leap year correction.
• 30 second adjustment, available.
• Wide operating voltage from 2.7V to 5.5V.
Actual size
Specifications (characteristics)
Absolute Max. rating
Item
Symbol
V
DD
V
IN
V
OUT
T
STG
-55
Condition
V
DD
-GND
-0.3
V
DD
+0.3
+125
˚C
Min.
Max.
7.0
V
Unit
Terminal connection
Power source voltage
Input voltage
Output voltage
Storage temperature
14 13 12 11 10 9 8
Operating range
Item
Operating voltage
Date holding voltage
Symbol
V
DD
V
CLK
T
OPR
Condition
Min.
2.7
2.0
-40
+85
Typ.
5.0
Max.
5.5
Unit
V
˚C
No. Pin terminal
N.C
1
DATA
2
STD.P
3
N.C
4
N.C
5
V
DD
6
N.C
7
No. Pin terminal
N.C
14
CLK
13
CE
12
N.C
11
N.C
10
GND
9
N.C
8
1 2 3 4 5 6 7
Operating temperature
Frequency characteristics
Item
Frequency tolerance
Frequency temperature
characteristics
Symbol
∆f/fo
Top
f
V
fa
Condition
Ta=25˚C, V
DD
=3V
-10 to +70˚C
Range
0±25
+10/-120
±5
Unit
ppm
ppm/V
ppm/year
f-V characteristics
Aging
Ta=25˚C, V
DD
=2.0 to 5.5V
First year Ta=25˚C, V
DD
=3V
Electrical characteristics
Item
“H” input voltage
“L” input voltage
Input leak current 1
Input leak current 2
“L”
output voltage 1
“H”
output voltage
“L”
output voltage 2
Symbol
V
IH
V
IL
I
IL1
I
IL2
V
OL1
V
OH
V
OL2
I
OFLK
I
DD1
I
DD2
I
DD3
Condition
—
—
Min.
0.8V
DD
Typ. Max.
Unit
V
External dimensions
(Unit: mm)
V
IN
=V
DD
/GND (CE,CLK)
V
IN
=V
DD
/GND (DATA)
I
O
=1mA (DATA)
I
O
=-400µA (DATA)
I
O
=1mA (STD.P)
V
O
=V
DD
V
DD
=5V, V
IN
(CE) =0V
V
DD
=3V, V
IN
(CE) =0V
V
DD
=2V, V
IN
(CE) =0V
10.0
2.5
1.0
0.8V
DD
1/-1
10/-10
0.2V
DD
µA
V
10.1±0.2
3.2±0.1
0˚ to
10˚
0.05 min.
0.6
0.2V
DD
3.1
Off leak current
Current consumption 1
Current consumption 2
Current consumption 3
10.0
20.0
5.0
2.0
µA
7.4±0.2
0.2V
DD
R4513
E 607 6A
5.0
0.15
47
EPSON [ EPSON COMPANY ]
