59
Real time clock module
The I C-Bus is a trademark of Philips Electronics N.V.
2
Absolute Max. rating
Specifications (characteristics)
Operating range
Frequency characteristics
DC characteristics
External dimensions
(Unit: mm)
Terminal connection
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
8583
GND1
SCL
SDA
N.C
GND
N.C
A0
OSC1
N.C
N.C
V
DD
N.C
N.C
INT
8593
N.C
SCL
SDA
N.C
GND
N.C
RESET
OSC1
N.C
N.C
V
DD
N.C
N.C
INT
8593SB
N.C
N.C
N.C
N.C
N.C
N.C
N.C
RESET
GND
SDA
SCL
INT
V
DD
OSC1
N.C
N.C
N.C
N.C
1
2
3
4
5
6
7
14 13 12 11 10 9
8
1
2
3
4
5
6
18 17 16 15 14 13
7
12
8
11
9
10
RTC-8583/8593
RTC-8593SB
R8593
B
607 6A
E
7.4
0.2
3.2
0.1
5.0
3.1
10.1
0.2
0.15
0.6
0.05 min.
0 to
10
R8593
B
607 6A
E
7.8
0.2
2.0 max.
5.4
1.8
11.4
0.2
0.15
0.6
0.05 min.
0 to
10
RTC-8583/8593
RTC-8593SB
(SOP 14-pin)
(SOP 18-pin)
I C-BUS COMPATIBLE REAL TIME CLOCK MODULE
RTC-8583/8593 series
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.
I
2
C-Bus inter face 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, 1.0A typical).
Item
Supply voltage
Input voltage
Input current
Output current
Storage temperature
Symbol
V
DD
V
IN
Ii
Io
T
STG
Condition
V
DD
-GND
Min.
-0.8
-55
Max.
+7.0
V
DD
+0.8
10
+125
Unit
V
mA
C
Item
Operating voltage
Data holding voltage
Operating temperature
External capacitor
Symbol
V
DD
V
CLK
T
OPR
C
G
Condition
Min.
2.5
1.0
-30
Max.
6.0
+70
Unit
V
C
pF
105%
Item
Frequency tolerance
Frequency temperature
characteristics
Frequency voltage
characteristics
Oscillation
start-up time
Aging
Symbol
f/fo
T
op
fv
t
OSC
fa
Condition
Ta=25C, V
DD
=5V
Ta=-10 to 70C, V
DD
=5V
Ta=25C, V
DD
=2.0 to 6.0V
Ta=25C, V
DD
=5V
Ta=25C, V
DD
=5V
first year
Max.
A: 520
B: 550
+10
-120
3
3
5
Unit
ppm
s
ppm/year
Item
"H" input voltage
"L" input voltage
"L" output current
Input leak current
Leak current
Output current
Leak current
Source current (access)
Current
Consumption
(non access)
SDA
A
O
RESET
______
OSC1
INT
___
INT
___
SCL
Symbol
V
IH
V
IL
I
OL
I
L
I
OL
I
L
I
DD0
I
DD1
I
DD2
I
DD3
I
DD1
I
DD2
I
DD3
Condition
--
V
OL
=0.4V
V
IN
=V
DD
or GND
V
OL
=0.4V
V
IN
=V
DD
or GND
f
SCL
=100 kHz
V
DD
=5V, f
SCL
=0 Hz
V
DD
=3V, f
SCL
=0 Hz
V
DD
=2V, f
SCL
=0 Hz
V
DD
=5V, f
SCL
=0 Hz
V
DD
=3V, f
SCL
=0 Hz
V
DD
=2V, f
SCL
=0 Hz
Min.
0.7V
DD
-0.8
3
1
Typ.
Typ.
10
3.5
2.0
3.0
1.2
1.0
Max.
V
DD
+0.8
0.3
1
250
1
200
50
15
10
15
10
8
Unit
V
mA
A
nA
mA
A
1
2
3
1
2
3
8583
8593
2
Actual size
60
Real time clock module
Switching characteristics
Block diagram
Register table
Timing chart
t
SU
: STA
t
HD
: STA
t
SU
: DAT
t
SU
: STO
t
VD
: DAT
t
HD
: DAT
t
SUF
t
TLH
t
THL
t
LOW
t
HIGH
1/f
SCL
SCL
Protocol
Protocol
Start
Condition (s)
Bit 7
MSB (A7)
Bits
(A6)
SDA
SCL
SDA
OSC1
Cg=10pF
RTC-8583
INT
V
DD
GND1.2
AO
SCL
SDA
32.768 KHz
OSC1
Cg=10pF
RTC-8593 Series
INT
V
DD
GND
RESET
SCL
SDA
32.768 KHz
BITO
LSB (R/W)
ACK
(A)
STOP
Condition (p)
OSC
Divider
Register
Control
Logic
Address
Register
RAM
(8 x 240)
Power-ON
RESET
&
Counter
I C-BUS
Interface
2
OSC
Divider
Register
Control
Logic
Address
Register
&
Counter
RESET
I C-BUS
Interface
2
Address
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10 to FF
Register name
CNT
1/100SEC
SEC
MIN
HOUR
DAY
MONTH
TIMER
ALARM
A-1/100
A-SEC
A-MIN
A-HR
A-DAY
A-MON
A-TIM
count
0 to 99
0 to 59
0 to 59
0 to 23
0 to 31
0 to 12
0 to 99
0 to 99
0 to 59
0 to 59
0 to 23
0 to 31
0 to 12
0 to 99
0 to FF
bit 7
STOP
8/10
10S8
10MIN8
12/24
YEAR2
W4
10TIMER8
AIE
A-8/10
10A-SEC8
10A-MIN8
A-12/24
10A-TIM8
bit 6
HOLD
4/10
10S4
10MIN4
AM/PM
YEAR1
W2
10TIMER4
TAIE
A-4/10
10A-SEC4
10A-MIN4
A-AM/PM
--
10A-TIM4
bit 5
MODE1
2/10
10S2
10MIN2
10HOUR2
10DAY2
W1
10TIMER2
AS1
A-2/10
10A-SEC2
10A-MIN2
10A-HR2
A-DAY2
10A-TIM2
bit 4
MODE2
1/10
10S1
10MIN1
10HOUR1
10DAY1
10MONTH1
10TIMER1
AS0
A-1/10
10A-SEC1
10A-MIN1
10A-HR1
A-DAY1
10A-MON1
10A-TIM1
bit 3
MASK
8/100
S8
MIN8
HOUR8
DAY8
MONTH8
TIMER8
TIE
A-8/100
10A-SEC8
10A-MIN8
A-HR8
A-DAY8
10A-MON8
A-TIM8
bit 2
ALM
4/100
S4
MIN4
HOUR4
DAY4
MONTH4
TIMER4
TCP2
A-4/100
10A-SEC4
10A-MIN4
A-HR4
A-DAY4
10A-MON4
A-TIM4
bit 1
AF
2/100
S2
MIN2
HOUR2
DAY2
MONTH2
TIMER2
TCP1
A-2/100
10A-SEC2
10A-MIN2
A-HR2
A-DAY2
10A-MON2
A-TIM2
bit 0
TF
1/100
S1
MIN1
HOUR1
DAY1
MONTH1
TIMER1
TCP0
A-1/100
10A-SEC1
10A-MIN1
A-HR1
A-DAY1
10A-MON1
A-TIM1
User's RAM (RTC-8583 is available)
Item
SCL clock frequency
Spike tolerance on bus
Bus free time
Start condition set-up time
Hold time
SCL "L" time
SCL "H" time
SCL, SDA rise time
SCL, SDA fall time
Date set-up time
Date hold time
SCL low to data out valid
Stop condition set-up time
Event counter frequency
Symbol
f
SCL
t
SW
t
BUF
t
SU
; STA
t
HD
; STA
t
LOW
t
HIGH
t
TLH
t
THL
t
SU
; DAT
t
HD
; DAT
t
VD
; DAT
t
SU
; STO
fi
Min.
--
4.7
4.0
4.7
4.0
--
250
0
--
4.0
--
Max.
100
--
1.0
0.3
--
3.4
--
1.0
Unit
KHz
ns
s
ns
s
MHz
--
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