Rtc - 4543 sa/sb, Electrical characteristics – Epson RTC-4543SB User Manual
Page 6
RTC - 4543 SA/SB
Page - 3
MQ - 252 - 03
5. Electrical Characteristics
5-1. Absolute Maximum Ratings
Item Symbol
Conditions Min.
Max. Unit
Supply voltage
V
DD
-0.3
7.0 V
Input voltage
V
I
Ta=+25
°
C
GND-0.3 V
DD
+0.3 V
Output voltage
V
O
GND-0.3
V
DD
+0.3 V
Storage temperature
T
STG
-
-55
+125
°
C
5-2. Operating Condition
Item Symbol
Conditions
Min.
Max.
Unit
Operating supply
voltage
V
DD
-
2.5
5.5 V
Data holding voltage
V
CLK
-
1.4
5.5 V
Operating temperature
T
OPR
No condensation
-40 +85
°
C
5-3. Frequency Characteristics
Item Symbol Conditions
Max.
Unit
Frequency tolerance
∆
f/f
O
Ta=+25
°
C , V
DD
=5.0 V
5
±
23 *
×
10
-6
Frequency temperature
characteristics
T
op
-10to+70
°
C +25
°
C ref
+ 10 / - 120
×
10
-6
Frequency voltage
characteristics
f/V
Ta=+25
°
C , V
DD
=2.0 to 5.5 V
±
2
×
10
-6
/V
Oscillation start time
t
STA
Ta=+25
°
C , V
DD
=2.5 V
3 s
Aging fa
Ta=+25
°
C , V
DD
=5 V , first year
±
5
×
10
-6
* Monthly deviation: Approx. 1 min.
5-4. DC Characteristics
Unless
specified
otherwise:
V
DD
= 5 V
±
10 %, Ta = - 40 to +85
°
C
Item Symbol Conditions Min.
Typ.
Max.
Unit
Current consumption(1)
I
DD
1 V
DD
=5.0 V
CE=L , FOE=L
1.5 3.0
µ
A
Current consumption(2)
I
DD
2 V
DD
=3.0 V
FSEL=H
1.0 2.0
µ
A
Current consumption(3)
I
DD
3 V
DD
=2.0 V
0.5 1.0
µ
A
Current consumption(4)
I
DD
4 V
DD
=5.0 V
CE=L , FOE=H
4.0 10.0
µ
A
Current consumption(5)
I
DD
5 V
DD
=3.0 V
FSEL=L
2.5 6.5
µ
A
Current consumption(6)
I
DD
6 V
DD
=2.0 V
No load on the
FOUT pin
1.5 4.0
µ
A
Input voltage
V
IH
WR,DATA,CE,CLK,
0.8 V
DD
V
V
IL
FOE,FSEL pins
0.2
V
DD
V
Input off/leak current
I
OFF
WR,CE,CLK,FOE,FSEL pins
V
IN
= V
DD
or GND
0.5
µ
A
V
OH(1)
V
DD
=5.0 V
I
OH
=-1.0 mA
4.5
V
Output voltage
V
OH(2)
V
DD
=3.0 V
DATA , FOUT pins
2.0
V
V
OL(1)
V
DD
=5.0 V
I
OL
= 1.0 mA
0.5
V
V
OL(2)
V
DD
=3.0 V
DATA , FOUT pins
0.8
V
Output load condition
( fanout )
N / CL
FOUT pin
2 LSTTL / 30 pF Max.
Output leak current
I
OZH
V
OUT
=5.5 V
DATA , FOUT pins
-1.0
1.0
µ
A
I
OZL
V
OUT
=0 V
DATA , FOUT pins
-1.0
1.0
µ
A
Supply voltage detection
voltage
V
DT
- 1.4
1.7
2.0
V