Real time clock module
4-bit REAL TIME CLOCK MODULE
RTC-7301SF/DG
Product number (please refer to page 2)
Q42 7 3 0 1 8 x0 0 0 2 00
Q42 7 3 0 1 1 x0 0 0 2 00
• Built-in crystal oscillator 32.768 kHz with frequency adjusted
• Frequency selectable clock output (32.768 kHz to 1/30 Hz)
-6
•
Built-in 30 second adjustment function, digital pace adjustment function (Max. adjustment: ±192 x 10 )
RTC-7301SF
RTC-7301DG
• 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 µA / 3 V Typ.)
Actual size
• High speed parallel interface compatible with SRAM
The details are mentioned in the application manual.
http://www.epsondevice.com
GND=0V
Unit
Pin terminal
Pin terminal
VDD
No.
1
2
3
4
5
6
7
8
No.
24
23
22
21
20
19
18
17
16
15
14
13
CS
0
Symbol
VDD
Condition
VDD to GND
Item
Supply voltage
Input voltage
Min.
-0.3
GND -0.3
GND -0.3
GND -0.3
-55
Max.
+ 7.0
( )
FCON
FOUT
VDD
#24
#13
(
(
(
(
)
VDD
)
VDD
VTEMP
(VDD
IRQ
VIN
Input terminal,D0 to D3 pins
IRQ pin
V
DD+ 0.3
)
)
VDD
V
)
VDD
CS
VOUT1
VOUT2
TSTG
Output voltage(1)
Output voltage(2)
Storage temperature
+ 8.0
A0
A1
A2
A3
RD
GND
1
V
DD+ 0.3
FOUT, D0-D3 pins, VTEMP pin
Stored as bare product after unpacking
D0
D1
D2
D3
9
°C
+125
10
11
12
WR
#1
#12
GND=0V
Item
Power voltage
Condition
Symbol
VDD
Unit
V
Min.
2.4
Max.
5.5
Pin terminal
Pin terminal
VDD
No.
1
2
3
4
5
6
7
8
No.
18
17
16
15
14
13
12
11
10
#18
#10
CS
0
VCLK
V
Clock voltage
Operating temperature
1.6
5.5
FOUT
IRQ
A0
A1
A2
A3
RD
GND
(
)
VDD
( )
VDD
TOPR
°C
No condensation
- 40
+ 85
CS1
D0
D1
D2
D3
WR
#1
#9
9
Symbol
Condition
Range
Unit
Item
-6
∆f/fo Ta=+25 °C, VDD= 3.0 V
5 ± 23 ∗
x 10
Frequency precision
(VDD) and VDD are to have the same level of voltage. Do not connect it to any external terminals.
s
tSTA
Oscillation start-up time
Frequency temperature
characteristics
T
a
=+25 °C, VDD= 2.4 V
Ta=-10 °C to +70 °C,
DD= 3.0 V
Ta=+25 °C,
3 Max.
-6
+10/-120
x 10
TOP
V
(Unit: mm)
Frequency voltage
characteristics
Aging
-6
±2
±5
x 10 /V
f/V
fa
V
DD= 1.6 V to 5.5V
(SSOP 24-pin)
-6
x 10 /year
Ta
=+25 °C, VDD= 3.0 V
10.5 Max.
∗ Please ask tighter tolerance
GND=0 V,VDD=1.6 V to 5.5 V,Ta= - 40 °C to + 85 °C
Item
Symbol
IDD1
Condition
Min. Typ. Max. Unit
Current consumption
(When non-accessed)
FOUT =Output OFF
VTEMP =Output OFF
CS0,RD,WR=VDD
A0-A3,CS1=GND
D0-D3,IRQ=Hi-z
FOUT=Hi-z(OFF)
VTEMP=Hi-z(OFF)
—
—
1.0 2.0 µA
0.6 1.0 µA
VDD= 5 V
VDD= 3 V
IDD2
Note)There is no VTEMP pin on the RTC-7301DG so
standards for the VTEMP pin within the conditions described above do not apply.
2.0 Max.
0.5
0 Min.
0° to 10°
0.8
0.36
0.15
GND=0 V,Ta= - 40 °C to + 85 °C
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
Symbol
VTEMP
TACR
VSE
Condition
Min. Typ. Max. Unit
Item
Temperature output
voltage
Ta= +25 °C, GND based output voltage
VTEMP pins, VDD=2.7 V to 5.5 V
Ta= +25 °C, VDD=2.7 V to 5.5 V
-40 °C ≤ Ta ≤ +85 °C,
(DIP 18-pin)
1.470
V
23.1 Max.
±5.0 °C
Output precision
Temperature
sensitivity
-7.3 -7.8 -8.3 mV/°C
VDD=2.7 V to 5.5 V
∆NL -40 °C ≤ Ta ≤ +85 °C, VDD=2.7 V to 5.5 V
±2.0
%
Linearity
7.62
TSOP
∆NL ≤ ± 2.0 %, VDD=2.7 V to 5.5 V
Ta= +25 °C, VTEMP pins, VDD=2.7 V to
5.5 V GND standard and VDD standard
VDD=2.7 V to 5.5 V
-40
+85 °C
Temperature detection range
R0
Output resistance
1.0 3.0 kΩ
0.25
90° to 105°
CL
RL
100 pF
kΩ
Load condition
Response time
Note)There is no temperature sensor function on the RTC-7301DG.
2.54
0.46
VDD=2.7 V to 5.5 V
500
91
tRSP
200 µs
VDD=3.3 V CL=50 pF, RL= 500 kΩ, Max. ±1 °C
5秒后页面跳转
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