Real time clock module
SERIAL-INTERFACE REAL TIME CLOCK MODULE
鈥?Builtin crystal unit allows adjustment-free efficient operation.
鈥?The small package makes high-density mounting possible. (SOP 14-pin)
鈥?Automatic calendar function (year, month, day, day of the week, hour, minute,
second).
鈥?Automatic leap year correction. (up to 2099)
鈥?Builtin 30 x 4-bit S-RAM.
鈥?High-speed access.
鈥?Reference pulse output. (1024 Hz, 1/10 Hz)
鈥?Low current consumption. (1 碌A(chǔ) typical)
鈥?Similar mounting method to that used for universal type SMD IC.
RTC-4553
Actual size
Specifications (characteristics)
Absolute Max. rating
Item
Supply voltage
Input voltage
Output voltage
Storage temperature
Soldering conditions
Symbol
V
DD
V
IN
V
OUT
T
STG
T
SOL
Condition
Min.
Max.
+6.0
-0.3
V
DD
+0.3
+125
V
Unit
V
DD
-GND
Terminal connection
14 13 12 11 10 9 8
No. Pin terminal
1
GND
2
WR
3
S
IN
SCK
4
L1
5
L2
6
L3
7
No. Pin terminal
14 TP
OUT
13
S
OUT
12
CS
1
11
CS
0
10
L5
9
L4
8
V
DD
S
IN
,SCK, WR, CS
0
, CS
1
____
S
OUT
, T
POUT
Stored without
tape & reel
__ __
__
-55
藲C
Twice at under 260藲C within 10 sec. or
under 230藲C within 3 min.
1 2 3 4 5 6 7
L1 to L5 are test pin. Do not connect them to any terminals.
Operating range
Item
Operating voltage
Symbol
V
DD
鈥?/div>
T
OPR
-30
鈥?/div>
+70
Condition
Min.
2.7
Typ.
5.0
Max.
5.5
Unit
V
藲C
External dimensions
(Unit: mm)
Operating temperature
Item
Symbol
鈭唂/fo
Condition
Ta=25藲C,
V
DD
=5V
AA
A
B
Range
5鹵5
5鹵10
5鹵20
+10
-120
鹵5
Unit
Frequency tolerance
ppm
10.1鹵0.2
3.2鹵0.1
Frequency voltage
characteristics
Aging
fv
fa
Ta=Fix, V
DD
=2 to 5.5V
Reference at 5V
Ta=25藲C, V
DD
=5V,
first year
3.1
Frequency temperature
characteristics
T
op
Ta=-10 to 70藲C, V
DD
=5V
Reference at 25藲C
7.4鹵0.2
5.0
Frequency characteristics
R4553 A
E 6496
0.05 min.
ppm/
year
0.6
0.15
DC characteristics
V
DD
=5V鹵10%
(GND=OV, Ta=-30藲C to +70藲C)
V
DD
=3V鹵10%
(GND=OV, Ta=-30藲C to +70藲C)
Item
Data holding voltage
Symbol
V
DH
I
DD1
I
DD2
V
OH
Condition
Min.
2.0
Typ.
鈥?/div>
Max.
5.5
100
Unit
V
碌A(chǔ)
Item
Data holding voltage
Symbol
V
DH
I
DD1
Condition
Min.
2.0
Typ.
鈥?/div>
Max.
3.3
100
3.0
鈥?/div>
0.4
2.0
Unit
V
碌A(chǔ)
___
鈥?/div>
___
鈥?/div>
Current consumption
SCK=500 kHz
___
SCK=300 kHz
鈥?/div>
1.0
4
V
DD
-0.
鈥?/div>
-2.0
3.0
鈥?/div>
0.4
2.0
鈥?/div>
鈥?/div>
1/5 V
DD
2.0
3.0
SCK=DC
I
OH
=-400碌A(chǔ)
I
OL
=1.6mA
V
OUT
=5.5V
V
OUT
=0V
Current consumption
I
DD2
V
OH
___
鈥?/div>
1.0
SCK=DC
I
OH
=-400碌A(chǔ)
I
OL
=1.6mA
V
OUT
=3.3V
-2.0
V
OUT
=0V
Output voltage
V
OL
I
OZH
Off leak current
I
OZL
V
IH
Input voltage
鈥?/div>
V
IL
I
IH
Input current
I
IL
T
osc
V
IN
=5.5V
-2.0
V
IN
=0V
Ta=25藲C
鈥?/div>
鈥?/div>
V
V
DD
-0.4
鈥?/div>
Output voltage
V
V
OL
I
OZH
碌A(chǔ)
Off leak current
碌A(chǔ)
I
OZL
V
IH
4/5 V
DD
V
4/5 V
DD
鈥?/div>
V
IN
=3.3V
-2.0
V
IN
=0V
Ta=25藲C
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Input voltage
V
IL
I
IH
1/5 V
DD
2.0
3.0
V
碌A(chǔ)
s
Input current
I
IL
T
osc
碌A(chǔ)
s
Oscillation start-up time
Oscillation start-up time
47
RTC4553相關(guān)型號(hào)PDF文件下載
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