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Real Time Clock Modules - Seiko Epson
DC Characteristics
Item
Symbol
Condition
MIN
TYP. MAX. Unit
“H” input voltage
“L” input voltage
“L” output current
Input leak current
SDA
SDA
SDA
SDA
V
IH
V
IL
I
OL
I
L
0.7V
DD
-0.8
3
V
DD
+0.8
0.3
V
V
VCL=0.4V
VIN=V
DD
or GND
mA
μA
1
AO
Leak current
RESET
OSC1
INT
INT
SCL
I
L
VIN=V
DD
or GND
VCL=0.4V
VIN=V
DD
or GND
fSCL=100Hz
250
μA
Output current
Leak current
I
OL
I
L
1
mA
μA
1
Source current
(access)
I
DDO
200
μA
1
I
DDI
V
DD
=5V,
fSCL=0Hz
V
=3V,
fSCL=0Hz
V
=2V,
fSCL=0Hz
V
DD
=5V,
fSCL=0Hz
V
=3V,
fSCL=0Hz
V
=2V,
fSCL=0Hz
10
50
μA
8583 2
I
DD2
3.5
15
μA
Current
3
I
DD3
2.0
10
μA
Consumption
1
I
DD1
3.0
15
μA
(Non access) 8593 2
I
DD2
1.2
10
μA
3
I
DD3
1.0
8
μA
RTC-8583/RTC-8593/RTC-8593SB
Specifications
Absolute Maximum Rating
Item
Symbol Condition
MIN.
MAX.
Unit
Supply voltage
Data Holding Voltage V
IN
Input current
Output current
Storage
temperature
V
DD
V
DD
-GND
-0.8
+7.0
V
DD
+0.8
10
10
+125
V
V
GND-0.8
li
lo
mA
mA
°C
T
STG
-55
Operating Range
Item
Symbol
MIN.
MAX.
Unit
Operating voltage
Data Holding Voltage
Operating temperature
External capacitor
V
DD
V
CLK
T
OPR
Cq
2.5
1.0
-30
6.0
6.0
+70
V
V
°C
pF
10 ± 5%
Features
The Built-in Quartz Crystal. thus Adjustment Free
with 10pF Gate capacitor
Package (SOP-14 Pin) Worlds smallest
Three mode operations: internal crystal oscillation,
external 50Hz clock and event counter
I
2
C-Bus Interface Compatible
Built-in 240 x 8 bit S-RAM is Available (RTC8583)
Alarm and Timer Functions are Available
Wide Operating Voltage Range 2.5V to 6.0V
Wide Data Hold Voltage Range 1.0V to 6.0V
Low current consumption (RTC8593, 1.0μA Typical)
Full Application Notes available
Frequency Characteristics
Item
Symbol
Condition
MAX. Unit
Frequency tolerance
f/fo
Ta=25°C,
V
DD
=5V
Ta=-10 to 70°C,
V
=5V
Ta=25°C,
V
DD
=2.0 to 6.0V
A: 5±20
B: 5±50
+10
-120
±3
ppm
Frequency temperature
characteristics
Frequency voltage
characteristics
Oscillation
Start-up time
Aging
top
ppm
ppm
fv
t
STA
fa
Ta=25°C, V
DD
-5V
Ta=25°C, V
DD
=5V
first year
3
sec
ppm/
year
±5
Ordering Information
ACT Stock No.
ACT Stock No.
RTC8583A (20ppm)
RTC8583B (50ppm)
RTC8593A (20ppm)
RTC8593B (50ppm)