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参数资料
| 型号： | RTC-4702CFB |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO10 |
| 封装： | LEAD FREE, SON-10 |
| 文件页数： | 1/2页 |
| 文件大小： | 202K |
| 代理商： | RTC-4702CFB |
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Real time clock module
SERIAL REAL TIME CLOCK MODULE WITH TEMPERATURE SENSOR
RTC-4701JE / NB RX-4702CF
Product number (please refer to page 5)
Q 4 1 4 7 0 1 7 x 0 0 0 2 0 0
Q 4 1 4 7 0 1 9 x 0 0 0 2 0 0
Q 4 1 4 7 0 2 A x x x x x 0 0
Built-in crystal unit allows adjustment-free efficient operation.
Serial interface which can be controlled by three signal lines.
Alarm interrupt function for day of week, day, hour, and minute.
Timer interrupt function which can be set up between 1/4096 second and 255 minutes. (Except for RX-4702CF)
OVF interrupt function based on 12-bit additional counter.
Ability to detect stopping of oscillation and time update.
Built-in temperature sensor. (voltage output RTC-4701JE / NB :-7.6 mV / °C Typ. RX-4702CF : -7.8 mV / °C Typ.)
Wide range of voltage between 1.6 V and 5.5 V.
Low power consumption at 0.5 A / 3 V. (Typ.)
Available for lead (Pb) - free soldering.
Lead (Pb) - free termainal (RX-4702CF),
Available for lead (Pb) - free terminal (RTC-4701JE / NB).
The details are mentioned in the application manual.
Specifications (characteristics)
Absolute Max. rating
Item
Symbol
Condition
Min.
Max.
Unit
Supply voltage
VDD
VDD to GND
-0.3
+7.0
V
Input voltage
VIN
Input Pin
GND -0.3
VDD +0.3
Output voltage
VOUT1
T
_______
IRQ, A
_______
IRQ, I
______
RQ
+8.0
VOUT2
FOUT, DATA
VDD +0.3
Storage temperature
TSTG
Stored as bare product
after unpacking
-55
+125
°C
Operating range
Item
Symbol
Condition
Min.
Max.
Unit
Power voltage
VDD
1.6
5.5
V
Clock voltage
VCLK
Operating temperature
TOPR
No condensation
-40
+85
°C
Frequency characteristics
Item
Symbol
Condition
Range
Unit
Frequency tolerance
Δf/f
Ta = +25 °C, VDD = 3 V
B: 5 ±23 x 10-6
Oscillation start up time
tSTA
Ta = +25 °C, VDD = 3.0 V
3 Max.
s
Frequency temperature
characteristics
Top
Ta = -20 °C to +70 °C
Reference at +25 °C
+10
-120
x 10-6
Frequency voltage characteristics
f/V
Ta = +25 °C, VDD = 1.6 to 5.5 V ±2 Max. x 10-6 / V
Aging
fa
Ta = +25 °C, VDD = 3.0 V
±5 Max. x 10-6 / year
Please ask tighter tolerance.
DC characteristics (GND = 0 V,VDD = 1.6 V to 5.5 V,Ta = -40 °C to +85 °C)
Item
Symbol
Condition
Min.
Typ.
Max. Unit
Standby current 1
IDD1
VDD = 5 V
CE, FOE, S
_____
OFF = GND
A
_ _ _ _
IRQ, T
_ _ _ _
IRQ, I
____
RQ = VDD
32.768 kHz output is OFF.
Sensor output is OFF.
1.0
2.0
A
IDD2
VDD = 3 V
0.5
1.0
Standby current 2
VIH
CE, CLK, DATA,
FOE, S
________
OFF
0.8 VDD
VDD +0.3
V
Input voltage
VIL
GND -0.3
0.2 VDD
Output voltage 1
VOH1
VDD = 5 V
IOH = -1 mA
DATA, FOUT pins
4.5
5.0
V
VOH2
VDD = 3 V
2.0
3.0
VOH3
IOH = -100 A
DATA, FOUT pins
2.9
Output voltage 2
VOL1
VDD = 5 V
IOL = 1 mA
DATA, FOUT pins
GND
GND +0.5
VOL2
VDD = 3 V
GND +0.8
VOL3
IOL =100 A
DATA, FOUT pins
GND +0.1
VOL4
VDD = 5 V
IOL = 1 mA
A
_____
IRQ, T
_____
IRQ, I
____
RQ pins
GND +0.25
VOL5
VDD = 3 V
GND +0.4
External dimensions / Terminal connection(Unit: mm)
No.
1
2
3
4
5
6
7
8
9
10
Pin terminal
VDD
FOUT
CE
AIRQ
TIRQ
CLK
DATA
FOE
VTEMP
SOFF
No.
20
19
18
17
16
15
14
13
12
11
Pin terminal
N.C
GND
1.5
Max.
5.4
1.3
(0.75)
7.0
±0.3
6.0
±0.2
0.65
0.22
(VSOJ 20-pin)
No.
1
2
3
4
5
6
7
8
9
10
11
Pin terminal
GND
SOFF
VTEMP
FOE
DATA
CLK
TIRQ
AIRQ
CE
FOUT
VDD
No.
22
21
20
19
18
17
16
15
14
13
12
Pin terminal
N.C
—
(SON 22-pin)
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
6.3 Max.
4.8
5.0
±0.2
1.3
0.5
0.2
±0.1
No.
1
2
3
4
5
Pin terminal
CE
CLK
DATA
SOFF
GND
No.
10
9
8
7
6
Pin terminal
VDD
VTEMP
IRQ
FOE
FOUT
5.0
±0.2
1.0
0.26
0.4
3.2
±0.2
#10
#6
#1
#5
1.2
Max.
0.6
0.35
(SON 10-pin)
Actual size
RTC-4701NB
RTC-4701JE
Temperature sensor characteristics
GND = 0 V, Ta = -40 °C to +85 °C
Item
Symbol
Condition
Min. Typ. Max. Unit
Temperature output
voltage
VTEMP
Ta = +25 °C, GND based
output voltage VTEMP
pin, VDD = 2.7 V to 5.5 V
1.48
V
Output precision
TACR
Ta = +25 °C, VDD = 2.7 V to 5.5 V
±5.0 °C
Temperature
sensitivity
VSE
-40 °C ≤Ta ≤ +85 °C,
VDD= 2.7 V to 5.5 V
RTC-4701JE /
-7.1 -7.6 -8.1
mV / °C
RX-4702CF -7.3 -7.8 -8.3
Linearity
ΔNL
-40 °C ≤Ta ≤ +85 °C,VDD = 2.7 to 5.5V
±2.0
%
Output resistance
Ro
Ta = +25 °C, VTEMP pin,
VDD = 2.7 V to 5.5 V GND
standard and VDD standard
1.0
3.0
kΩ
RTC-4701CF
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