RTC-62423 Epson Company, RTC-62423 Datasheet
RTC-62423
Manufacturer Part Number
RTC-62423
Description
4-bit REAL TIME CLOCK MODULE
Manufacturer
Epson Company
Datasheet
1.RTC-62423.pdf
(2 pages)
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63
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RTC-62421/62423
Real time clock module
4-bit REAL TIME CLOCK MODULE
Builtin crystal unit allows adjustment-free efficient operation.
Low standby voltage and current consumption (1.8µA at 2V).
Wide range of operating temperature (from -40˚C to +85˚C).
24H/12H changeable and leap year automatically adjustable (gregorian
calendar).
Similar mounting method (RTC-62423) to that used for universal type SMD IC.
Pins and functions are compatible with the MSM6242 series.
Operating voltage
Operating temperature
Data holding voltage
CS
Operation restoring time
“H” input voltage (1)
“L” input voltage (1)
Input leak current (1)
Input leak current (2)
“L” output voltage (1)
“H” output voltage
“L” output voltage (2)
OFF leak current
Input capacity
“H” input voltage (2)
“L” input voltage (2)
Power source voltage
Input and output voltage
Storage temperature
Soldering condition
Frequency tolerance
Frequency temperature
characteristics
Aging
Shock resistance
Current consumption
1
characteristics
Specifications (characteristics)
Absolute Max. rating
Operating range
Electrical characteristics
Frequency characteristics and current consumption
data holding time
Item
Item
Item
Item
Symbol
I
V
V
Symbol
V
V
V
I
I
V
OFFLK
V
Symbol
Symbol
C
LK1
LK2
OL1
OL2
IH1
IL1
IH2
IL2
OH
T
T
V
V
T
1
S.R.
V
V
t
I
I
STG
SOL
CDR
OPR
t
DD1
DD2
DD
I/O
f/fo
fa
DD
DH
R
I
I
I
V
V
V
Condition
OH
OL
OL
frequency 1 MHz
DD
1
1
=V
=V
Three drops on a
hard board from 75 cm
or 3000G x 0.3ms x 1/2 sine
wave x 3 directions
=2.5mA
=2.5mA
=2 to 5.5V
=
Ta=25˚C
(25˚C reference temperature)
(25˚C reference temperature)
CS
Input
Refer to the data
V
RTC-62421
RTC-62423
RTC-62421
RTC-62423
—
-400µA
Condition
holding timing
DD
DD
DD
Ta=25˚C
V
1
=5V
Condition
DD
=0V
/0V
/0V
-10 to +70˚C
Condition
-40 to +85˚C
=5V, Ta=25˚C,
first year
4/5 V
Min.
2.2
2.4
V
V
—
—
62421 A
62421 B
62423 A
—
62423
DD
DD
DD
=5V
=2V
Under 260˚C within 10 sec.
(lead part) (package should
be less than 150˚C)
Twice at under 260˚C within
10 sec. or under 230˚C
within 3 min.
Typ.
—
—
5
-0.3 to V
Specifications
-55 to +125
10/-10
-0.3 to 7.0
-55 to +85
1/5 V
Specifications
Max.
1/-1
Specifications
0.8
0.4
0.4
—
—
10
—
-40 to +85
4.5 to 5.5
2.0 to 5.5
2.0 min.
+10/-120
+10/-220
±10 max.
1.8 max.
DD
±5 max.
30 max.
±10
±50
±20
±50
DD
Unit
µA
µA
+0.3
pF
V
V
V
than D
Applicable
other than
All inputs
Input other
D
terminal
STD.P
0
CS
CS
to D
ppm/Y
Unit
ppm
ppm
0
Unit
Unit
µA
1
1
˚C
µs
to D
˚C
V
V
V
3
3
(V
NC is not connected internally.
Terminal connection
External dimensions
DD
RTC-62421
RTC-62423
RTC-62421
RTC-62423
) and V
24
1
18
1
DD
23
2
are to have the same level of voltage
17
2
22
RTC62423 A
EPSON 9220
3
RTC62421 A
EPSON 6053 C
16
21
3
4
20
5
15
4
16.3 max.
19
6
23.1 max.
14
5
Actual size
18
7
13
6
17
8
16
12
7
9
15
10
11
8
14
11
.
10
Do not connect it to any external terminals.
9
13
12
No.
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
0 to
10
62421
STD. P
GND
( V
( V
ALE
RD
WR
CS
V
CS
A
A
A
D
D
D
D
A
DD
DD
DD
0
1
2
3
3
2
1
0
1
0
)
)
90 to
105
7.62
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
1.0
(Unit: mm)
62423
STD. P
( V
( V
GND
ALE
WR
CS
V
0.25
CS
NC
NC
NC
NC
NC
RD
D
D
D
D
NC
A
A
A
A
DD
DD
DD
3
2
1
0
1
2
3
0
1
0
)
)
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RTC-62423 Summary of contents
Page 1
... Wide range of operating temperature (from -40˚C to +85˚C). • 24H/12H changeable and leap year automatically adjustable (gregorian calendar). • Similar mounting method (RTC-62423) to that used for universal type SMD IC. • Pins and functions are compatible with the MSM6242 series. Specifications (characteristics) Absolute Max. rating ...
Page 2
Data holding timing CDR 1/ Data storage mode Interface possible with external terminals not occurred 0 Register table Name ...