RTC-4553A2 Epson Toyocom Corporation, RTC-4553A2 Datasheet
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RTC-4553A2
Manufacturer Part Number
RTC-4553A2
Description
IC REAL TIME CLOCK 14-SOIC
Manufacturer
Epson Toyocom Corporation
Type
Clock/Calendar/NVSRAMr
Specifications of RTC-4553A2
Memory Size
15B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-30°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (5.3mm Width), 14-SOP, 14-SOIJ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
RTC-4553A-2
SE3244TR
SE3244TR
83
Real time clock module
Product number (please refer to page 2)
• Built-in crystal unit allows adjustment-free efficient operation.
• Automatic calendar function (year, month, day, day of the week, hour, minute,
• Automatic leap year correction.
• Builtin 30 x 4-bit S-RAM.
• Reference pulse output. (1024 Hz, 1/10 Hz)
The details are mentioned in the application manual.
Q41 4 5 5 3 5 x x x x x 0 0
RTC-4553
SERIAL-INTERFACE REAL TIME CLOCK MODULE WITH SRAM
Supply voltage
Input voltage
Output voltage
Storage temperature
Power voltage
Clock voltage
Operating temperature
Current consumption
Output voltage
Off leak current
Input voltage
Input current
Frequency tolerance
Oscillation start-up time
Frequency temperature
characteristics
Frequency voltage
characteristics
Aging
second).
Frequency characteristics
DC characteristics
Specifications (characteristics)
Operating range
bsolute Max. rating
Item
Item
Item
Item
Symbol
Symbol
Symbol
Symbol
∆f/fo
V
T
T
V
V
V
I
I
V
I
I
V
t
V
T
f/V
V
V
DD1
DD2
OZH
I
OUT
STG
STA
fa
OZL
I
OPR
DD
CLK
DD
OH
IH
IL
IN
op
OL
IH
IL
Ta=+25 °C, V
Ta=-10 °C to +70 °C, V
Reference at +25 °C
Ta=Fix, V
Reference at 5 V
S
Stored as bare
IN
product after
No condensation
Ta=+25 °C, V
___
SCK
V
(GND=O V, V
I
,SCK
S
unpacking
__
I
V
Condition
Condition
Ta=+25 °C,
V
OH
___
SCK
Condition
OL
DD
V
V
OUT
OUT
DD
V
=-400 µA
IN
=500 kHz
=1.6 mA
OUT
, W
IN
__
to GND
—
—
=5 V
=5.5 V
, T
—
=O Hz
=5.5 V
Condition
first year
=0 V
DD
R, CS
____
=0 V
=2 V to 5.5 V
__
POUT
0
, CS
DD
DD
1
DD
= 3.0 V
=5 V 10 % , Ta=-30 C to +70 C)
=5 V,
V
4/5 V
DD
Min.
Min.
DD
-2.0
-2.0
2.7
2.0
-30
AA
=5 V
—
—
—
A
B
-0. 4
Min.
-0.3
-55
DD
Typ.
Typ.
3.0 Max.
5.0
1.0
—
—
—
—
Range
5±10
5±20
-120
5±5
+10
±5
http://www.epsondevice.com
V
Max.
DD
+125
+6.0
1/5 V
+0.3
Max.
Max.
100
+70
3.0
0.4
2.0
2.0
5.5
5.5
—
—
DD
x 10
x 10
x 10
Unit
year
Unit
Unit
Unit
s
µA
µA
µA
°C
˚C
V
V
V
V
V
-6
-6
-6
/
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
32.768 kHz
External dimensions
Block diagram
Terminal connection
RTC-4553
RTC-4553
TP
S
SCK
CS
CS
WR
#14
OSC
OUT
OUT
S
#1
IN
1
0
R4553
E
1.27
10.1 0.2
control
123 4
(SOP 14-pin)
control
Output
Input
Counter
Output control
L1 to L5 are test pin. Do not connect them to any terminals.
0.35
#8
#7
register
Control
Sec. Min. Hou.
Shift register
1
Control
register
Control circuit
2
No.
1
2
3
4
5
6
7
Week
0.6
Day
of
Actual size
Pin terminal
Control
register
GND
SCK
Day Mon. Year
WR
S
L1
L2
L3
3
IN
0.05 Min.
No.
14
13
12
11
10
9
8
(120bit)
RAM
Pin terminal
TP
S
CS
CS
V
L5
L4
OUT
DD
OUT
1
0
(Unit: mm)
0.15