RTC-63421B Epson Toyocom Corporation, RTC-63421B Datasheet
RTC-63421B
Manufacturer Part Number
RTC-63421B
Description
MODULE RTC SER +-50PPM 18-DIP TR
Manufacturer
Epson Toyocom Corporation
Type
Clock/Calendarr
Datasheet
1.RTC-63421B.pdf
(2 pages)
Specifications of RTC-63421B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
18-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Memory Size
-
79
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)
Built-in crystal unit allows adjustment-free efficient operation.
Alarm interruption of sec. to month and day of week possible.
Standard signal output selectable in a range of 10 min 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 setable. 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
V
V
t
V
V
S.R.
CDR
I
I
t
STG
SOL
OPR
DD 1
DD 2
DD
DD
DH
R
f/fo
fa
IN
Ta=+25 C
Ta=+25 °C
Ta=+25 °C
RTC-63421
RTC-63421M
RTC-63423
RTC-63421
RTC-63421M
RTC-63423
V
CS
Refer to the data
Condition
DD
1/2 sine wave x 3 directions
holding timing
(+25 °C reference temperature)
or 294000 m/s
(+25 °C reference temperature)
hard board from 750 mm
V
1
= 5 V
DD
=0 V
Condition
Intel bus system
Motorola bus system
“MOTEL” bus system
-10 to +70 °C
Three drops on a
-30 to +85 °C
Condition
=5 V, Ta=+25 C,
-------
first year
63421A/63421MA
63421B/63421MB
Applicable CPU
63423 A
V
V
2
63423
x 0.3 ms x
DD
DD
=5 V
=2 V
Under +260 °C within 10 s
(lead part) (package should
be less than +150 °C)
Twice at under +260 °C within
10 s 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/-120
+10/-220
±10 Max.
1.8 Max.
±5 Max.
30 Max.
DD
+0.3
x 10
x 10
x 10
Unit
Unit
Unit
°C
µs
°C
µA
V
V
V
-6
/year
-6
-6
(V
NC is not connected internally.
External dimensions
RTC-63421/63421M
Terminal connection
RTC-63423
RTC-63421/63421M
DD
RTC-63423
24
1
18
) is to be same level as V
1
23
2
17
2
22
3
EPSON 6100
RTC63423 A
16
3
21
1.27
4
EPSON 6051A
RTC63421 A
2.54
20
15
5
4
19
6
16.3 Max.
14
5
23.1 Max.
18
7
13
Actual size
6
17
8
0.35
DD.
12
7
16
9
Do not connect it to any external terminals.
0.65 Max.
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
( E 1 )
D
D
D
D
A
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
V
0.25
CS
CS
ALE
( E 2 )
NC
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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RTC-63421B Summary of contents
Page 1
... Reference area of time /alarm register is setable. 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. Model RTC-63421 Intel bus system RTC-63421M ...
Page 2
... Data hold 10 - sec. digit register min. digit register 1 Switching characteristics on the Intel bus system are the same as those for the RTC-6242 series min. digit register hour digit register 1 Write mode 10 - hour digit register day digit register ...