Real time clock module
RTC-8564JE / NB RX-8564CF
Product number (please refer to page 5)
I2C-BUS INTERFACE REAL TIME CLOCK MODULE
Q4185647x000100
Q418564Ax000100
Q4185649x0000200
• Built-in crystal unit allows adjustment-free efficient operation.
• Compliant with I2 C high-speed bus specifications. (400 kHz)
• Equipped with alarm, timer, and frequency output (32.768 kHz, 1024 Hz,32
Hz,1 Hz) features.
• Operating in wide voltage range from 1.8 V to 5.5 V,and in wide range of
clock voltage from 1.0 V to 5.5 V. (RTC-8564JE / NB : -20 °C to +70 °C / RX-
8564CF:+25 °C)
• Low power consumption at 275 nA / 3.0 V. (Typ.)
• Available for lead (Pb) - free soldering.
• Lead (Pb) - free terminal (RX-8564CF), Available for lead (Pb) - free
terminal.(RTC-8564JE / NB)
RTC-8564JE
RTC-8564NB
RX-8564CF
Actual size
The details are mentioned in the application manual.
The I
2
C-Bus is a trademark of Philips Electronics N.V.
Specifications (characteristics)
Absolute Max. rating
Item
Supply voltage
Input voltage
Output voltage
DC Input current
DC Output current
Storage temperature
Symbol
V
DD
V
I
V
o
I
I
I
o
T
STG
Condition
V
DD
to GND
Input pin
_____
INT pins
–
Stored as bare product
after unpacking
External dimensions / Terminal connection
Min.
-0.5
Max.
+6.5
Unit
V
V
mA
°C
#1
#10
(Unit: mm)
No.
20
19
18
17
16
15
14
13
12
11
Pin terminal
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
(VSOJ 20-pin)
#20
#11
GND -0.5 V
DD
+0.5
-10
-55
10
+125
Operating range
Item
Power voltage
Clock voltage
Operating temperature
Symbol
V
DD
V
CLK
T
OPR
Condition
I
2
C-BUS access at
400 kHz
−
No condensation
Min.
1.8
V
LOW
-40
Max.
5.5
+85
Unit
V
7.0
±0.3
1.5 Max.
No.
1
2
3
4
5
6
7
8
9
10
Pin terminal
N.C
N.C
CLKOE
V
DD
CLKOUT
SCL
SDA
(GND)
GND
INT
5.4
6.0
±0.2
0.65
0.22 0 Min.
1.3
°C
(SON 22-pin)
(0.75)
(0.75)
Frequency characteristics
Item
Frequency tolerance
Oscillation start up time
Frequency temperature
characteristics
Frequency voltage
characteristics
Aging
Symbol
Δf/f
t
STA
T
op
f/V
fa
Condition
Range
Unit
Ta = +25
°C,
V
DD
= 3.0 V B: 5 ±23∗ x 10
-6
Ta = +25
°C,
V
DD
= 1.8 V
3 Max.
s
Reference at +25
°C,
+10
x 10
-6
Ta = -10
°C
to +70
°C,
V
DD
= 3.0 V
-120
RTC-
Ta = +25
°C,
8564JE / NB V
DD
= 1.0 V to 5.5 V
x 10
-6
/
±2 Max.
V
RX-
Ta = +25
°C,
8564CF
V
DD
= 1.8 V to 5.5 V
Ta = +25 °C, V
DD
= 3.0 V
±5
x 10
-6
/ year
6.3 Max.
#22
#14
#1
#11
DC characteristics
Item
Power current
(not during access)
(CLKOUT = 0 Hz)
Power current
(not during access)
(CLKOUT = 32.768 kHz)
“L” input voltage
“H” input voltage
“L” output current
“L” output current
“H” output current
Low voltage detection
RTC-8564JE / NB
Low voltage detection
RX-8564CF
Pin
I
DD
–
(GND = 0 V, V
DD
= 1.8 V to 5.5 V, Ta = -40 °C to +85 °C)
Condition
Min. Typ. Max. Unit
f
SCL
= 0 Hz, V
DD
= 5.0 V
0.33 0.80
f
SCL
= 0 Hz, V
DD
= 3.0 V
0.275 0.70
f
SCL
= 0 Hz, V
DD
= 2.0 V
0.25 0.65
–
µA
f
SCL
= 0 Hz, V
DD
= 5.0 V
2.5
3.4
f
SCL
= 0 Hz, V
DD
= 3.0 V
1.5
2.2
f
SCL
= 0 Hz, V
DD
= 2.0 V
1.1
1.6
-0.5
0.3 V
DD
–
V
0.7 V
DD
V
DD
+0.5
-3
–
–
V
OL
= 0.4 V, V
DD
= 5 V -1
mA
–
Ta = -40 °C to +85 °C
Ta = -20 °C to +70 °C
Ta = -40 °C to +85 °C
Ta = +25 °C
–
0.9
1
1.1
1.0
1.2
1.0
Symbol
(SON 10-pin)
5.0
±0.2
#10
#6
1.3
±0.1
∗
Please ask tighter tolerance
0.5
0.2
No. Pin terminal
1
INT
2
GND
3
(GND)
4
N.C
5
SDA
6
SCL
7
CLKOUT
8
V
DD
9
CLKOE
10
N.C
11
N.C
No. Pin terminal
22
N.C
21
N.C
20
N.C
19
N.C
18
N.C
17
N.C
16
N.C
15
N.C
14
N.C
13
12
4.8
5.0
±0.2
0.4
0.26
1.0
I
DD32k
V
IL
V
IH
I
OL
I
OL
I
OL
I
OH
V
LOW
SDA
_____
INT
CLKOUT
#1
#5
3.2
±0.2
1.2 Max.
–
V
No. Pin terminal
1
V
DD
2
CLKOUT
3
N.C
4
SCL
5
SDA
No. Pin terminal
10
CLKOE
9
N.C
8
N.C
7
INT
6
GND
91
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
0.6
0.35
Real time clock module
Register table
Address
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Control 1
Control 2
Sec
Min
Hour
Day
Day of Week
Month / Century
Year
Minutes Alarm
Hours Alarm
Day Alarm
Week Alarm
CLKOUT frequency
Timer control
Timer
Register symbol
bit 7
TEST
0
VL
∗
∗
∗
∗
C
Year 80
AE
AE
AE
AE
FE
TE
128
bit 6
0
0
S 40
Min 40
∗
∗
∗
∗
Year 40
A-Min 40
∗
∗
∗
∗
∗
64
bit 5
STOP
0
S 20
Min 20
Hour 20
Day 20
∗
∗
Year 20
A-Min 20
A-Hr 20
A-Day 20
∗
∗
∗
32
bit 4
0
TI / TP
S 10
Min 10
Hour 10
Day 10
∗
Month 10
Year 10
A-Min 10
A-Hr 10
A-Day 10
∗
∗
∗
16
bit 3
TEST
AF
S8
Min 8
Hour 8
Day 8
∗
Month 8
Year 8
A-Min 8
A-Hr 8
A-Day 8
∗
∗
∗
8
bit 2
0
TF
S4
Min 4
Hour 4
Day 4
W4
Month 4
Year 4
A-Min 4
A-Hr 4
A-Day 4
A-W 4
∗
∗
4
bit 1
0
AIE
S2
Min 2
Hour 2
Day 2
W2
Month 2
Year 2
A-Min 2
A-Hr 2
A-Day 2
A-W 2
FD1
TD1
2
bit 0
0
TIE
S1
Min 1
Hour 1
Day 1
W1
Month 1
Year 1
A-Min 1
A-Hr 1
A-Day 1
A-W 1
FD0
TD0
1
AC characteristics
Item
SCL clock frequency
Tolerance spike time on bus
Start condition set-up time
Start condition Hold time
SCL “L” time
SCL “L” time
SCL and SDA rise time
SCL and SDA fall time
Data set-up time
Data hold time
Stop condition set-up time
(V
DD
= 1.8 V to 5.5 V, Ta = -40
°C
to +85
°C)
Min.
–
0.6
1.3
0.6
–
100
0
0.6
–
0.3
ns
µs
–
µs
Max.
400
50
Unit
kHz
ns
Timing chart
Symbol
f
SCL
t
SP
t
SU
;
STA
t
HD
;
STA
t
LOW
t
HIGH
tr
tf
t
SU
;
DAT
t
HD
;
DAT
t
SU
;
STO
Protocol
Start
Condition (s)
t
SU;STA
t
LOW
Bit 7
MSB (A7)
t
HIGH
Bit6
(A6)
1/f
SCL
Bit0
LSB
(R/W)
ACK
(A)
Stop
Condition (P)
Start
Condition (s)
t
SU;STA
SCL
(S)
t
r
t
f
(A)
t
HD;SAT
t
SU;DAT
t
HD;DAT
t
SP
t
SU;STO
(P)
t
BUF
(S)
SDA
t
HD;STA
Block diagram
Control1
00
Control2
Seconds
Minutes
Hours
Days
Weekdays
Month/Century
Years
Minutes Alarm
Hour Alarm
Day Alarm
Weekday Alarm
CLKOUT frequency
Timer Control
Timer
0F
32.768 kHz
CRYSTAL
OSC
Voltage
Detector
CLKOUT
CLKOE
Divider
Output
Control
Control
Logic
INT
SCL
SDA
I C-BUS
Interface
2
Address
Register
POR
92
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