RTC62421 EPSON Electronics, RTC62421 Datasheet
RTC62421
Manufacturer Part Number
RTC62421
Description
Manufacturer
EPSON Electronics
Datasheet
1.RTC62421.pdf
(1 pages)
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Price
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Part Number:
RTC62421
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Part Number:
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Part Number:
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Part Number:
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Part Number:
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Part Number:
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ST
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Part Number:
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Part Number:
RTC62421B
Manufacturer:
EPSON/爱普生
Quantity:
20 000
Absolute Max. rating
*Stored as bare product after unpacking
Operating range
Frequency characteristics
1.52
Frequency voltage
Supply voltage
Power voltage
4-bit REAL TIME CLOCK MODULE
RTC - 62421
RTC - 62423
temperature *
Clock voltage
Input voltage
0.46
temperature
characteristics
characteristics
Frequency
RTC-62421 (DIP 18-pin)
temperature
Operating
Block diagram
Terminal connection/External dimensions
Specifications (characteristics)
precision
Frequency
Built-in crystal unit allows adjustment-free efficient operation.
Pins and functions are compatible with the MSM6242 series.
24 h /12 h changeable and leap year automatically adjustable
(Gregorian calendar).
Storage
Aging
Real time clock module
Real time clock module
Real time clock module
Real time clock module
Item
Item
Item
#18
#1
RTC62421 A
EPSON
Symbol
Symbol
Symbol
23.1 Max.
T
V
T
V
V
V
T
f/V
STG
OPR
fa
CLK
f /f
DD
DD
OP
I/O
1234A
Stored as bare product
T
2.54
T
a
a
after unpacking
=+25 C,V
-10 C to +70 C (+25 C)
T
-40 C to +85 C(+25 C)
=+25 C,V
V
RTC-62421
RTC-62423
a
T
T
DD
Condition
Condition
=+25 C
a
a
=+25 C
=+25 C
=5.0 V
-
-
#10
#9
Condition
DD
0.2
Min.
DD
=5.0 V,First year
=4.5 V to 5.5 V
C S 0
A LE
C S 1
4.2
Max.
W R
R D
3.3
D
D
D
D
A
A
A
A
3
2
1
0
3
2
1
0
Min.
62421A
62421B
62423A
62423
GND-0.3
No.
Min.
Min.
-0.3
-55
-55
4.5
2.0
-40
1
2
3
4
5
6
7
8
9
0 -15
Gate
Gate
Latch
Pin
STD.P
/CS
ALE
A
A
A
A
/RD
GND
7.62
terminal
+10 / -120
+10 / -220
0
1
2
3
5.0 Max.
5.0 Max.
Range
V
0
DD
+125
Max.
Max.
+7.0
+85
+85
http://www.epsontoyocom.co.jp
5.5
5.5
10
50
20
50
0.25
+0.3
Dec oder
O S C
S 1 to C F
30 sec A D J
RE S E T
No.
10
bit
18
17
16
15
14
13
12
11
10
10
Unit
Unit
Unit
bit
10
-6
V
V
C
C
-6
/year
Metal m ay be exposed on the top or bottom of this product. This will not affect any quality, reliability or electrical spec.
-6
/V
S TO P
Pin
V
(V
(V
CS
C
D
D
D
/W R
bit
terminal
DD
0
1
2
3
DD
DD
DC characteristics
1
S 1
D 1
C D
C ounter
Current consumption
HIGH output voltage
Input leak current (1)
Input leak current (2)
)
)
LOW output voltage (1)
LOW output voltage (2)
HIGH input voltage (1)
HIGH input voltage (2)
LOW input voltage (1)
LOW input voltage (2)
OFF leak current
Input capacity
D 10
S 10
Item
C E
H OLD
Actual size
bit
M O 1 M O10
RTC-62421
M I1
B U S Y
RTC-62423 (SOP 24-pin)
bi t
MI10
#1
#1
#24
#24
CF
RTC62423
RTC62423
EPSON 1234A
EPSON 1234
1 S econd carry
1 M inute carry
1 Hour carry
Symbol
I
1.27
V
V
OFFLK
I
I
V
V
V
V
V
I
I
DD1
DD2
C
LK1
LK2
OL1
OL2
IH1
OH
IH2
IL1
IL2
H 1
Y1
1
64 H z
16.3 Max.
16.3 Max.
24/12
H 10
Y10
Input frequency 1 MHz
bit
CS
V
DD
Output
S elector
0.35
1
= 0 V
I
I
I
V
=2.0 V to 5.5 V
V
OH
Condition
OL
OL
1
1
W
=-400 A
=V
=V
=2.5 mA
=2.5 mA
-
#13
#13
DD
DD
RTC-62423
#12
#12
/0 V
/0 V
V
V
V
D D
DD
DD
0.1 Min.
0.1 Min.
=5 V
=2 V
*Refer to application manual for details.
2.8 Max.
2.8 Max.
4/5 V
Min.
-
2.2
-
-
2.4
-
-
-
S TD .P
DD
No.
10
12
11
1
2
3
4
5
6
7
8
9
Typ.
0.2
0.2
-
-
15
1
5
Epson Toyocom
Epson Toyocom
Epson Toyocom
Epson Toyocom
1.0
Pin
STD.P
/CS
N.C.
ALE
A
N.C.
A1
N.C.
A
A
/RD
GND
terminal
0
2
3
1/5 V
10/-10
10/-10
0
Max.
1/-1
1.8
0.8
0.4
0.4
30
-
-
-
DD
Unit
pF
V
V
V
0 - 10
0 - 10
A
A
A
No.
24
23
22
21
20
19
18
17
16
15
14
13
All inputs other than
Applicable terminal
Input other than
Pin
V
(V
(V
N.C.
CS
D
N.C.
N.C.
D
D
D
/W R
terminal
Input Pins
DD
0
1
2
3
DD
DD
D
D
D
1
STD.P
0
0
0
CS
CS
(Unit:mm)
)
)
-
-
to D
to D
to D
1
1
3
3
3
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