Similar mounting method (RTC-62423) to that used for universal type SMD IC.
鈥?/div>
Pins and functions are compatible with the MSM6242 series.
Actual size
Specifications (characteristics)
Absolute Max. rating
Item
Symbol
Power source voltage
V
DD
Input and output voltage
V
I/O
Storage temperature
T
STG
Condition
Ta=25藲C
RTC-62421
RTC-62423
RTC-62421
Soldering condition
T
SOL
RTC-62423
Specifications
-0.3 to 7.0
-0.3 to V
DD
+0.3
-55 to +85
-55 to +125
Under 260藲C within 10 sec.
(lead part) (package should
be less than 150藲C)
Twice at under 260藲C within
10 sec. or under 230藲C
within 3 min.
Terminal connection
Unit
V
藲C
RTC-62421
18 17 16 15 14 13 12 11 10
1
2
3
4
5
6
7
8
9
RTC-62423
24 23 22 21 20 19 18 17 16 15 14 13
Operating range
Item
Operating voltage
Operating temperature
Data holding voltage
CS
1
data holding time
Operation restoring time
Symbol
V
DD
T
OPR
V
DH
t
CDR
t
R
Refer to the data
holding timing
Condition
Specifications
4.5 to 5.5
-40 to +85
2.0 to 5.5
2.0 min.
Unit
V
藲C
V
碌s
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
62421
STD. P
CS
0
ALE
A
0
A
1
A
2
A
3
RD
GND
WR
D
3
D
2
D
1
D
0
CS
1
(V
DD
)
(V
DD
)
V
DD
1 2 3 4 5 6 7 8 9 10 11 12
(V
DD
) and V
DD
are to have the same level of voltage
.
Do not connect it to any external terminals.
NC is not connected internally.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
62423
STD. P
CS
0
NC
ALE
A
0
NC
A
1
NC
A
2
A
3
RD
GND
WR
D
3
D
2
D
1
NC
NC
D
0
CS
1
NC
(V
DD
)
(V
DD
)
V
DD
Frequency characteristics and current consumption
characteristics
Item
Symbol
Condition
62421 A
Frequency tolerance
鈭唂/fo
Ta=25藲C 62421 B
V
DD
=5V 62423 A
62423
Frequency temperature
characteristics
Aging
Shock resistance
Current consumption
fa
S.R.
I
DD1
I
DD2
-10 to +70藲C
(25藲C reference temperature)
-40 to +85藲C
(25藲C reference temperature)
V
DD
=5V, Ta=25藲C,
Specifications
鹵10
鹵50
鹵20
鹵50
+10/-120
+10/-220
鹵5 max.
鹵10 max.
30 max.
1.8 max.
Unit
External dimensions
RTC-62421
23.1 max.
(Unit: mm)
ppm
6.8
RTC62421 A
EPSON 6053 C
7.62
0.2 min.
first year
Three drops on a
hard board from 75 cm
or 3000G x 0.3ms x 1/2 sine
wave x 3 directions
ppm/Y
ppm
4.2 max.
0.25
90擄 to
105擄
3.3 min.
CS
1
=0V
V
DD
=5V
V
DD
=2V
碌A(chǔ)
Electrical characteristics
Item
鈥淗鈥?input voltage (1)
鈥淟鈥?input voltage (1)
Input leak current (1)
Input leak current (2)
鈥淟鈥?output voltage (1)
鈥淗鈥?output voltage
鈥淟鈥?output voltage (2)
OFF leak current
Input capacity
鈥淗鈥?input voltage (2)
鈥淟鈥?input voltage (2)
Symbol Condition
V
IH1
V
IL1
I
LK1
I
LK2
V
OL1
V
OH
V
OL2
I
OFFLK
C
1
V
IH2
V
IL2
I
OL
=2.5mA
I
OH
=
-400碌A(chǔ)
I
OL
=2.5mA
V
1
=V
DD
/0V
frequency 1 MHz
Input
RTC-62423
Min. Typ. Max.
2.2
鈥?/div>
0.8
鈥?/div>
1/-1
鈥?10/-10
0.4
2.4
鈥?/div>
5
鈥?/div>
鈥?/div>
0.4
10
碌A(chǔ)
pF
0.05 min.
2.8 max.
Unit
V
碌A(chǔ)
Applicable
terminal
16.3 max.
鈥?/div>
V
1
=V
DD
/0V
All inputs
other than
CS
1
Input other
than D
0
to D
3
D
0
to D
3
V
STD.P
RTC62423 A
EPSON 9220
12.2 max.
7.9
2.5
4/5 V
DD
V
DD
=2 to 5.5V
鈥?/div>
鈥?/div>
1/5 V
DD
V
CS
1
63
0.3
0擄 to
10擄
0.2
1.0
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