Real time clock module
2
I C-BUS COMPATIBLE REAL TIME CLOCK MODULE
RTC-8583/8593 series
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Builtin crystal unit. Adjustment free with 10pF external capacitor.
Small package (SOP 14-pin).
Three mode operations: internal crystal oscillation, external 50 Hz
clock and event counter.
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I2C-Bus interface compatible.
Builtin 240 x 8 bit S-RAM available (RTC8583).
Alarm and timer functions 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).
Actual size
The I2 C-Bus is a trademark of Philips Electronics N.V.
Specifications (characteristics)
Absolute Max. rating
Terminal connection
Max.
+7.0
Symbol
VDD
VIN
Condition
VDD-GND
Item
Min.
-0.8
Unit
V
No.
1
RTC-8583/8593
8583
GND1
SCL
SDA
N.C
8593 8593SB
Supply voltage
Input voltage
N.C
SCL
SDA
N.C
N.C
N.C
N.C
N.C
N.C
N.C
VDD+0.8
14 13 12 11 10
9
8
2
Input current
Ii
3
10
mA
˚C
4
Output current
Storage temperature
Io
5
GND
N.C
GND
N.C
+125
-55
TSTG
6
7
A0
RESET N.C
Operating range
8
OSC1 OSC1 RESET
Max.
Item
Symbol
Condition
Min.
2.5
Unit
V
9
N.C
N.C
VDD
N.C
N.C
INT
N.C
N.C
VDD
N.C
N.C
INT
GND
SDA
SCL
INT
1
2
3
4
5
6
7
10
11
12
13
14
15
16
17
18
Operating voltage
Data holding voltage
Operating temperature
External capacitor
VDD
VCLK
TOPR
CG
6.0
1.0
RTC-8593SB
18 17 16 15 14 13 12 11 10
VDD
-30
+70
˚C
OSC1
N.C
pF
10±5%
N.C
Frequency characteristics
N.C
N.C
Item
Symbol
Condition
Unit
Max.
A: 5±20
B: 5±50
+10
Ta=25˚C, VDD=5V
Ta=-10 to 70˚C, VDD=5V
Ta=25˚C, VDD=2.0 to 6.0V
Ta=25˚C, VDD=5V
Frequency tolerance
∆f/fo
Top
fv
Frequency temperature
characteristics
Frequency voltage
characteristics
Oscillation
start-up time
ppm
1
2
3
4
5
6
7
8
9
-120
±3
3
s
tOSC
fa
External dimensions
(Unit: mm)
Ta=25˚C, VDD=5V
first year
ppm/year
Aging
±5
(SOP 14-pin)
RTC-8583/8593
DC characteristics
Item
Condition
Unit
V
Min. Typ. Max.
Symbol
R8593
B
—
“H” input voltage
“L” input voltage
0.7VDD
-0.8
3
VDD+0.8
VIH
VIL
IOL
E
607 6A
0.3
SDA
mA
µA
VOL=0.4V
“L” output current
Input leak current
AO
10.1±0.2
1
0˚ to
10˚
______ IL
VIN=VDD or GND
RESET
OSC1
___
250 nA
mA
Leak current
0.05 min.
0.15
0.6
INT
___
INT
Output current
IOL
1
VOL=0.4V
(SOP 18-pin)
RTC-8593SB
IL
VIN=VDD or GND
1
Leak current
SCL
R8593
B
Source current (access)
IDD0
IDD1
IDD2
IDD3
IDD1
IDD2
IDD3
fSCL=100 kHz
200
50
E
607 6A
1
10
3.5
2.0
3.0
1.2
1.0
VDD=5V, fSCL=0 Hz
VDD=3V, fSCL=0 Hz
VDD=2V, fSCL=0 Hz
VDD=5V, fSCL=0 Hz
VDD=3V, fSCL=0 Hz
VDD=2V, fSCL=0 Hz
8583
8593
2
3
1
2
3
µA
15
10
15
10
8
Current
Consumption
(non access)
11.4±0.2
0˚ to
10˚
0.05 min.
0.15
0.6
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