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RTC62421 Datasheet(PDF) 1 Page - Epson Company

Part # RTC62421
Description  4-bit REAL TIME CLOCK MODULE
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Manufacturer  EPSON [Epson Company]
Direct Link  http://www.epsondevice.com
Logo EPSON - Epson Company

RTC62421 Datasheet(HTML) 1 Page - Epson Company

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63
Real time clock module
Specifications (characteristics)
Absolute Max. rating
Operating range
Frequency characteristics and current consumption
characteristics
Electrical characteristics
External dimensions
Terminal connection
RTC-62421
(Unit: mm)
23.1 max.
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
(VDD) and VDD are to have the same level of voltage. Do not connect it to any external terminals.
NC is not connected internally.
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
RTC-62421
RTC-62423
RTC-62423
7.62
0.25
16.3 max.
1.0
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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
STD. P
CS0
ALE
A0
A1
A2
A3
RD
GND
WR
D3
D2
D1
D0
CS1
(VDD)
(VDD)
VDD
62423
STD. P
CS0
NC
ALE
A0
NC
A1
NC
A2
A3
RD
GND
WR
D3
D2
D1
NC
NC
D0
CS1
NC
(VDD)
(VDD)
VDD
62421
90
° to
105
°
0
° to
10
°
RTC62421 A
EPSON 6053 C
RTC62423 A
EPSON 9220
4-bit REAL TIME CLOCK MODULE
RTC-62421/62423
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.
Item
Power source voltage
Input and output voltage
Storage temperature
Soldering condition
Symbol
VDD
VI/O
TSTG
TSOL
Condition
Ta=25˚C
RTC-62421
RTC-62423
RTC-62421
RTC-62423
Specifications
-0.3 to 7.0
-0.3 to VDD+0.3
-55 to +85
-55 to +125
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.
Unit
V
˚C
Item
Operating voltage
Operating temperature
Data holding voltage
CS1 data holding time
Operation restoring time
Symbol
VDD
TOPR
VDH
tCDR
tR
Condition
Refer to the data
holding timing
Specifications
4.5 to 5.5
-40 to +85
2.0 to 5.5
2.0 min.
Unit
V
˚C
V
µs
Item
Frequency tolerance
Frequency temperature
characteristics
Aging
Shock resistance
Current consumption
Symbol
∆f/fo
fa
S.R.
IDD1
IDD2
Ta=25˚C
VDD=5V
62421 A
62421 B
62423 A
62423
Condition
Three drops on a
hard board from 75 cm
or 3000G x 0.3ms x 1/2 sine
wave x 3 directions
CS1=0V
VDD=5V
VDD=2V
Specifications
±10
±50
±20
±50
+10/-120
+10/-220
±5 max.
±10 max.
30 max.
1.8 max.
Unit
ppm
ppm/Y
ppm
µA
Item
“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)
Symbol
VIH1
VIL1
ILK1
ILK2
VOL1
VOH
VOL2
IOFFLK
C1
VIH2
VIL2
Condition
V1=VDD/0V
IOL=2.5mA
IOH=
-400µA
IOL=2.5mA
V1=VDD/0V
Input
frequency 1 MHz
VDD=2 to 5.5V
Min.
2.2
2.4
4/5 VDD
Typ.
5
Max.
0.8
1/-1
10/-10
0.4
0.4
10
1/5 VDD
Unit
V
µA
V
µA
pF
V
Applicable
terminal
All inputs
other than
CS1
Input other
than D0 to D3
D0 to D3
STD.P
CS1
-10 to +70˚C
(25˚C reference temperature)
-40 to +85˚C
(25˚C reference temperature)
VDD=5V, Ta=25˚C,
first year
Actual size


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