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RTC63421 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part No. RTC63421
Description  4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE
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Maker  ETC [List of Unclassifed Manufacturers]
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RTC63421 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

   
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57
Real time clock module
Specifications (characteristics)
Absolute Max. rating
Operating range
Frequency characteristics and current consumption
characteristics
External dimensions
Terminal connection
(Unit: mm)
RTC-63421/63421M
1
18
2
17
3
16
4
15
5
14
6
13
7
12
8
11
9
10
RTC63421 A
EPSON 6051A
RTC63423 A
EPSON 6100
(VDD) is to be same level as VDD. 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-63423
RTC-63421/63421M
RTC-63423
∗ 1=63421M
∗ 2=Motorola
bus system
23.1 max.
2.8 max.
0.05 min.
7.62
0.25
16.3 max.
1.0
Unless otherwise stated, characteristics (specifications) shown in the above table are
based on the rated operating temperature and voltage condition.
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
INTERRUPT
CS0
ALE
A0
A1
A2
A3
RD (E
∗1)
GND
WR (R/W
∗1)
D3
D2
D1
D0
CS1
(VDD)
(VDD)
VDD
INTERRUPT
CS0
ALARM
ALE
A0
30sec.Adj
A1
68/80
A2
A3
RD (E
∗2)
GND
WR(R/W
∗2)
D3
D2
D1
1HZ
D0
CS1
STOP/ START
NC
(VDD)
(VDD)
VDD
63421/63421M
90
° to
105
°
0
° to
10
°
63423
4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE
RTC-63421/63421M/63423
Builtin crystal unit allows adjustment-free efficient operation.
Alarm interruption of sec. to month and day of week possible.
Provided with microcomputer compatible bus interface.
Standard signal output selectable in a range of 10min. to 1024 Hz.
Either sec. to hour and day of week or sec. to year and day of week is selectable.
Reference area of time /alarm register is setabil. Provided with RAM bits.
(marked on “
∗” which is shown resister table)
Provided with START/STOP 30 second adjusting function.
Similar mounting method (RTC-63423) to the used for normal type SMD IC.
Item
Power source voltage
Input voltage
storage temperature
Soldering condition
Symbol
VDD
VIN
TSTG
TSOL
Condition
Ta=25˚C
Ta=25˚C
RTC-63421
RTC-63421M
RTC-63423
RTC-63421
RTC-63421M
RTC-63423
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
CS 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.
IDD 1
IDD 2
Ta=25˚C
VDD=5V
63421A/63421MA
63421B/63421MB
63423 A
63423
Condition
Three drops on a
hard board from 75 cm
or 3000G x 0.3ms x
1/2 sine wave x 3 directions
CS 1=0V
VDD=5V
VDD=2V
Specifications
+15/-5 (5±10)
+55/-45 (5±50)
+25/-15 (5±20)
+55/-45 (5±50)
+10/-120
+10/-220
±5 max.
±10 max.
30max.
1.8 max.
Unit
ppm
ppm/Y
ppm
µA
-10 to +70˚C
(25˚C reference temperature)
-30 to +85˚C
(25˚C reference temperature)
VDD=5V, Ta=25˚C,
first year
Model
RTC-63421
RTC-63421M
RTC-63423
Applicable CPU
Intel bus system
Motorola bus system
“MOTEL” bus system
Actual size


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