91
Specifications (characteristics)
Absolute Max. ratings
Operating conditions
Frequency characteristics
DC characteristics
Temperature sensor characteristics
External dimensions
Terminal connection
RTC-7301DG
(Unit: mm)
23.1 Max.
2.54 Min.
0.2 Min.
6.3
4.2
#1
#18
#9
#10
R7301
E 123 4A
RTC7301
E 123 4A
(V
DD
) and V
DD
are to have the same level of voltage
.
Do not connect it to any external terminals.
#1
#24
#12
#13
RTC-7301DG
(DIP 18-pin)
RTC-7301SF
(SSOP 24-pin)
RTC-7301SF
2.0 Max.
0 Min.
7.62
0.25
10.5 Max.
5.4
8.1 Max.
0.5
0.15
No.
1
2
3
4
5
6
7
8
9
No.
18
17
16
15
14
13
12
11
10
CS
0
FOUT
IRQ
A
0
A
1
A
2
A
3
RD
GND
V
DD
(V
DD
)
(V
DD
)
CS
1
D
0
D
1
D
2
D
3
WR
90
to 105
0
to 10
No.
1
2
3
4
5
6
7
8
9
10
11
12
No.
24
23
22
21
20
19
18
17
16
15
14
13
CS
0
F
CON
F
OUT
VTEMP
(V
DD
)
IRQ
A
0
A
1
A
2
A
3
RD
GND
V
DD
(V
DD
)
(V
DD
)
(V
DD
)
(V
DD
)
(V
DD
)
CS
1
D
0
D
1
D
2
D
3
WR
0.8
0.36
2.54
0.46
Pin terminal
Pin terminal
Pin terminal
Pin terminal
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
4-bit REAL TIME CLOCK MODULE
RTC-7301SF/DG
Built-in crystal oscillator 32.768 kHz with frequency adjusted
Frequency selectable clock output (32.768 kHz to 1/30 Hz)
Built-in 30 second adjustment function, digital pace adjustment function (Max. adjustment: 192 x 10
-6
)
Built-in alarm and timer interrupt functions.
Built-in semiconductor temperature sensor (Voltage output: -7.8 mV / C, RTC-7301SF)
Operating voltage range:2.4 V to 5.5 V, time keeping voltage range: 1.6 V to 5.5 V
Low current consumption (0.6 A / 3 V Typ.)
High speed parallel interface compatible with SRAM
Item
Supply voltage
Input voltage
Output voltage(1)
Output voltage(2)
Storage temperature
Symbol
V
DD
V
IN
V
OUT1
V
OUT2
T
STG
Condition
V
DD
to GND
Input terminal,D0 to D3 pins
IRQ pin
FOUT, D0-D3 pins, VTEMP pin
Stored as bare product after unpacking
Max.
+ 7.0
V
DD
+ 0.3
+ 8.0
V
DD
+ 0.3
+125
Min.
-0.3
GND -0.3
GND -0.3
GND -0.3
-55
Unit
V
C
Item
Power voltage
Clock voltage
Operating temperature
Symbol
V
DD
V
CLK
T
OPR
Condition
No condensation
Max.
5.5
5.5
+ 85
Min.
2.4
1.6
- 40
Unit
V
V
C
Item
Frequency precision
Oscillation start-up time
Frequency temperature
characteristics
Frequency voltage
characteristics
Aging
Symbol
f/fo
t
STA
T
OP
f/V
fa
Ta=+25 C, V
DD
= 3.0 V
T
a
=+25 C, V
DD
= 2.4 V
Ta=-10 C to +70 C,
V
DD
= 3.0 V
Ta=+25 C,
V
DD
= 1.6 V to 5.5V
T
a
=+25 C, V
DD
= 3.0 V
Condition
Range
5 23
3 Max.
+10/-120
2
5
Unit
x 10
-6
s
x 10
-6
x 10
-6
/V
x 10
-6
/year
Item
Current consumption
(When non-accessed)
FOUT =Output OFF
VTEMP =Output OFF
Symbol
I
DD1
I
DD2
V
DD
= 5 V
V
DD
= 3 V
Min.
--
--
Typ.
1.0
0.6
Max.
2.0
1.0
Unit
A
A
Condition
Actual size
CS0,RD,WR=V
DD
A
0
-A
3
,CS
1
=GND
D
0
-D
3
,IRQ=Hi-z
FOUT=Hi-z(OFF)
V
TEMP
=Hi-z(OFF)
Note)There is no VTEMP pin on the RTC-7301DG so
standards for the VTEMP pin within the conditions described above do not apply.
Note)There is no temperature sensor function on the RTC-7301DG.
Item
Temperature output
voltage
Output precision
Temperature
sensitivity
Linearity
Temperature detection range
Output resistance
Load condition
Response time
Ta= +25 C, GND based output voltage
VTEMP pins, V
DD
=2.7 V to 5.5 V
Ta= +25 C, V
DD
=2.7 V to 5.5 V
-40 C Ta +85 C,
V
DD
=2.7 V to 5.5 V
-40 C Ta +85 C, V
DD
=2.7 V to 5.5 V
NL 2.0 %, V
DD
=2.7 V to 5.5 V
Ta= +25 C, VTEMP pins, V
DD
=2.7 V to
5.5 V GND standard and V
DD
standard
V
DD
=2.7 V to 5.5 V
V
DD
=2.7 V to 5.5 V
V
DD
=3.3 V C
L
=50 pF, R
L
= 500 k, Max. 1 C
Symbol
VTEMP
T
ACR
V
SE
NL
T
SOP
R
0
C
L
R
L
t
RSP
Min.
-7.3
-40
500
Typ.
1.470
-7.8
1.0
Max.
5.0
-8.3
2.0
+85
3.0
100
200
Unit
V
C
mV/C
%
C
k
pF
k
s
Condition
GND=0V
GND=0V
GND=0 V,V
DD
=1.6 V to 5.5 V,Ta= - 40 C to + 85 C
GND=0 V,Ta= - 40 C to + 85 C
Real time clock module
The details are mentioned in the application manual.
http://www.epsondevice.com
Product number (please refer to page 2)
Q42 7 3 0 1 8 x 0 0 0 2 0 0
Q42 7 3 0 1 1 x 0 0 0 2 0 0
Please ask tighter tolerance
RTC-7301SF
RTC-7301DG
92
Real time clock module
CS
0
t
RC
t
ACC
t
ACS
t
CLZ
t
OLZ
t
OHZ
t
CHZ
t
CHZ
t
OH
t
ACS
t
CLZ
t
ARD
CS
1
RD
A
0
to A
3
D
0
to D
3
Register table
AC characteristics
Writing data (CS Control)
Reading data
Bank0 Clock and calendar registers Bank1 Alarms and FOUT registers
Bank2 Digital offset and timer registers
Block diagram
CS
0
t
WC
t
AW
t
CW
t
AS
t
DW
t
DH
t
WR
CS
1
WR
A
0
to A
3
D
0
to D
3
Writing data (WR Control)
CS
0
t
wC
t
AW
t
AS
t
DW
t
DH
t
WR
CS
1
WR
A
0
to A
3
D
0
to D
3
t
WP
BUS
INTERFACE
CIRCUIT
FOUT CONTROLLER
Temperature
Sensor
DIVIDER
F
OUT
VTEMP
IRQ
A
0
to A
3
*This is a block diagram for RTC-7301SF.
Be aware that RTC-7301DG differs according to the following 2 points.
*1)The VTEMP output is not connected to an external pin.
*2)The FCON input pin is not connected to an external pin, but is fixed at "H" internally.
D
0
to D
3
RD
WR
F
CON
*2
7301SF
*1
*1
7301DG
CS0
CS1
Degital Trimming
REGISTER
CLOCK and CALENDAR
TIMER REGISTER
ALARM REGISTER
CONTROL REGISTER
and
SYSTEM CONTROLLER
INTERRUPTS
CONTROLLER
OSC
32.768 kHz
Control line
GND=0 V, Ta= -40 C to + 85 C Input conditions: VI= 0.5 x VDD, VO= 0.5 x V
DD
Output load: CL= 100 pF (tACC,tACS,tARD)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
8
F
OS
8
o
8
o
o
8
o
8
o
8
80
800
TEST
Bank Sel 1
4
40
4
40
4
o
4
4
o
4
o
4
40
400
TEMP
Bank Sel 0
2
20
2
20
2
20
2
2
20
2
o
2
20
200
2000
STOP
1
10
1
10
1
10
1
1
10
1
10
1
10
100
1000
BUSY/ADJ
1 second digit
10 second digit
1 minute digit
10 minute digit
1hour digit
10 hour digit
Day digit
1 day digit
10 day digit
1 month digit
10 month digit
1 year digit
10 year digit
100 year digit
1000 year digit
Control registers
Item
Read cycle time
Address access time
CE access time
RD access time
CE output set time
CE output floating
RD output set time
RD output floating
Output hold time
Write cycle time
Chip select time
Address valid end of write
Address setup time
Address hold time
Write pulse width
Input data set time
Input data hold time
FOUT output frequency duty
Symbol
t
RC
t
ACC
t
ACS
t
ARD
t
CLZ
t
CHZ
t
OLZ
t
OHZ
t
OH
t
WC
t
CW
t
AW
t
AS
t
WR
t
WP
t
DW
t
DH
DUTY
Condition
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
FOUT=
32.768 kHz
Unit
n
s
n
s
n
s
n
s
n
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
Min.
150
--
--
--
5
--
5
--
10
150
140
140
0
0
130
80
0
40
Max.
--
150
150
100
--
60
--
60
--
--
--
--
--
--
--
--
--
60
Max.
--
85
85
45
--
30
--
30
--
--
--
--
--
--
--
--
--
60
Min.
85
--
--
--
3
--
3
--
5
85
70
70
0
0
65
35
0
40
Address
bit 3
bit 2
bit 1
bit 0
Register
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
8
AE
8
AE
8
AE
AE
8
AE
CTEMP
o
FE
TEST
Bank Sel 1
4
40
4
40
4
4
4
CDT_ON
FD2
o
TEMP
Bank Sel 0
2
20
2
20
2
20
2
2
20
FD1
FD4
AF
STOP
1
10
1
10
1
10
1
1
10
FD0
FD3
AIE
BUSY/ADJ
1 second digit
10 second digit
1 minute digit
10 minute digit
1hour digit
10 hour digit
Day digit
1 day digit
10 day digit
--
--
CS1 Controller
FOUT divider ratio setting register
FOUT divider ratio setting register
Alarm control
Control register
Address
bit 3
bit 2
bit 1
bit 0
Register
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
DT3
DT_ON
o
o
8
128
8
128
TE
o
o
o
o
o
TEST
Bank Sel 1
DT2
DT6
o
o
4
64
4
64
TI/TP
o
o
o
o
o
TEMP
Bank Sel 0
DT1
DT5
o
o
2
32
2
32
TD1
o
o
o
o
o
TF
STOP
DT0
DT4
o
o
1
16
1
16
TD0
o
o
o
o
o
TIE
BUSY/ADJ
Digital offset
--
--
Timer counter
preset value
Timer counter
data
Timer settings
--
--
--
--
--
Timer control
Control register
Address
bit 3
bit 2
bit 1
bit 0
Registers
V
DD
=2.4 to 3.6 V V
DD
=4.5 to 5.5 V
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