rtc63421 ETC-unknow, rtc63421 Datasheet
rtc63421
Manufacturer Part Number
rtc63421
Description
4-bit Multifunctional Real Time Clock Module
Manufacturer
ETC-unknow
Datasheet
1.RTC63421.pdf
(2 pages)
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57
Real time clock module
RTC-63421/63421M/63423
•
•
•
•
•
•
•
•
4-bit MULTIFUNCTIONAL REAL TIME CLOCK MODULE
Unless otherwise stated, characteristics (specifications) shown in the above table are
based on the rated operating temperature and voltage condition.
Operating voltage
Operating temperature
Data holding voltage
CS data holding time
Operation restoring time
Power source voltage
Input voltage
storage temperature
Soldering condition
Frequency tolerance
Frequency temperature
characteristics
Aging
Shock resistance
Current consumption
(marked on “ ” which is shown resister table)
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.
Provided with START/STOP 30 second adjusting function.
Similar mounting method (RTC-63423) to the used for normal type SMD IC.
Specifications (characteristics)
Absolute Max. rating
Operating range
Frequency characteristics and current consumption
characteristics
RTC-63421
RTC-63421M
RTC-63423
Item
Item
Item
Model
Symbol
Symbol
Symbol
T
T
T
t
V
V
V
S.R.
V
I
I
CDR
OPR
t
STG
SOL
DD 1
DD 2
DD
DD
DH
f/fo
fa
R
IN
Ta=25˚C
Ta=25˚C
RTC-63421
RTC-63421M
RTC-63423
RTC-63421
RTC-63421M
RTC-63423
CS
Refer to the data
Ta=25˚C
(25˚C reference temperature)
(25˚C reference temperature)
Condition
V
1/2 sine wave x 3 directions
holding timing
DD
hard board from 75 cm
1
V
Condition
or 3000G x 0.3ms x
=0V
=5V
Intel bus system
Motorola bus system
“MOTEL” bus system
DD
Three drops on a
Condition
-10 to +70˚C
-30 to +85˚C
=5V, Ta=25˚C,
-------
first year
63421A/63421MA
63421B/63421MB
Applicable CPU
63423 A
V
V
63423
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.
-0.3 to V
Specifications
-55 to +125
Specifications
-0.3 to 7.0
-55 to +85
+55/-45 (5±50)
+25/-15 (5±20)
+55/-45 (5±50)
-40 to +85
Specifications
+15/-5 (5±10)
4.5 to 5.5
2.0 to 5.5
2.0 min.
±10 max.
+10/-120
+10/-220
1.8 max.
±5 max.
30max.
DD
+0.3
ppm/Y
Unit
Unit
ppm
ppm
Unit
µs
˚C
µA
˚C
V
V
V
(V
NC is not connected internally.
External dimensions
RTC-63421/63421M
Terminal connection
RTC-63423
RTC-63421/63421M
DD
24
RTC-63423
1
18
) is to be same level as V
1
23
2
17
2
22
3
RTC63423 A
EPSON 6100
16
3
21
4
EPSON 6051A
RTC63421 A
20
15
5
4
19
6
16.3 max.
14
5
23.1 max.
18
7
Actual size
13
6
17
8
DD.
12
7
16
9
Do not connect it to any external terminals.
15
10
11
8
14
11
0.05 min.
10
9
13
12
2.8 max.
No.
10
11
12
13
14
15
16
17
18
1=63421M
1
2
3
4
5
6
7
8
9
63421/63421M
WR
INTERRUPT
RD
( V
( V
GND
( R/W 1 )
CS
CS
ALE
V
A
( E 1 )
D
D
D
D
A
A
A
DD
DD
DD
3
3
2
1
0
0
1
2
0
1
)
)
0 to
10
90 to
105
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
7.62
1
2
3
4
5
6
7
8
9
2=Motorola
STOP/ START
WR
INTERRUPT
bus system
RD
30sec.Adj
63423
ALARM
68/80
(Unit: mm)
1.0
( R/W 2 )
( V
( V
GND
1H
0.25
CS
V
CS
NC
ALE
( E 2 )
D
D
D
D
A
A
A
A
DD
DD
DD
3
2
1
0
2
3
0
1
Z
1
0
)
)
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rtc63421 Summary of contents
Page 1
... 1=63421M ) same level not connect it to any external terminals. DD DD. 23.1 max. RTC63421 A EPSON 6051A RTC-63423 16.3 max. RTC63423 A EPSON 6100 0.05 min. 2.8 max. 63423 No. 1 INTERRUPT ALARM 4 ALE 30sec.Adj ...
Page 2
Data hoiding timing CDR 1/ Data holding mode Interface possible with external terminals not occurred 0 Register table Symbol BANK ...