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参数资料
型号： RTC-7301SFB
元件分类： 时钟/数据恢复及定时提取
英文描述： REAL TIME CLOCK, PDSO24
封装： SSOP-24
文件页数： 25/28页
文件大小： 274K
代理商： RTC-7301SFB
RTC - 7301 SF / DG
Page - 3
MQ332-05
5. Characteristics
5-1. Absolute maximum ratings
GND=0 V
Item
Symbol
Condition
Rated value
Unit
Power supply voltage
VDD
-
0.3 to +7.0
V
Input voltage
VIN
Input terminal, D0 to D3 pins
GND
0.3 to VDD+0.3
V
Output voltage (1)
VOUT1
/ IRQ pin
GND
0.3 to +8.0
V
Output voltage (2)
VOUT2
FOUT, D0-D3 pins, VTEMP pin
GND
0.3 to VDD+0.3
V
Storage temperature
TSTG
Stored bare product after unpacking
55 to +125
°C
RTC-7301SF
: Max. 2 times under 10 seconds below a temperature of +260 °C
or for 3 minutes below a temperature of +230 °C
Soldering conditions
TSOL
RTC-7301DG
: Under 10 seconds below a temperature of +260 °C on leads
(Package Max. +150 °C)
5-2. Recommended operating conditions
GND=0 V
Item
Symbol
Condition
Range
Unit
Power supply voltage
VDD
-
2.4 to 5.5
V
Clock
power supply
voltage
VCLK
-
1.6 to 5.5
V
Operating
temperature
TOPR
No condensation
40 to +85
°C
5-3. Oscillating characteristics
Item
Symbol
Condition
Rating
Unit
Frequency precision
f / fo
Ta= +25 °C, VDD=3.0 V
5
± 23 (1)
× 10-6
Frequency voltage
characteristics
f / V
Ta= +25 °C, VDD=1.6 V to 5.5 V
± 2 Max.
× 10-6 / V
Frequency
temperature
characteristics
Top
Ta=
10 °C to +70 °C, VDD=3.0 V
Ta=+25
°C is standard (=0).
+10 /
120
× 10-6
Oscillating starting
time
tSTA
Ta= +25 °C, VDD=2.4 V
3 (Max.)
s
Aging amount
fa
Ta= +25 °C, VDD=3.0 V ;
first year
± 5 Max.
× 10-6 / year
1 ) Equivalent to 1 minute of monthly deviation ( excluding offset ).
5-4. DC characteristics
5-4-1. DC characteristics (1)
*
Unless specified otherwise : GND=0 V , VDD=1.6 V to 5.5 V , Ta=
40 °C to +85 °C
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
IDD1
VDD=5 V
-
1.0
2.0
A
Current consumption
(When non-accessed)
FOUT
=Output OFF
VTEMP =Output OFF
IDD2
VDD=3 V
/CS0,/RD,/WR=VDD, A0-A3, CS1=GND
D0-D3,/IRQ=Hi-z, FOUT=Hi-z(OFF)
VTEMP=Hi-z(OFF)
-
0.6
1.0
A
IDD3
VDD=5 V
-
3.0
7.5
A
IDD4
VDD=3 V
/CS0,/RD,/WR,CS1=VDD
A0-A3=GND, D0-D3, /IRQ=Hi-z
FOUT=32 kHz Output, When CL= 0pF
VTEMP=Hi-z(OFF)
-
1.7
4.5
A
IDD5
VDD=5 V
-
8.0
20
A
Current consumption
(When non-accessed)
FOUT = 32 kHz Output
VTEMP = Output OFF
IDD6
VDD=3 V
/CS0,/RD,/WR,CS1=VDD
A0-A3=GND
D0-D3,/IRQ=Hi-z
FOUT=32 kHz Output, When CL=30 pF
VTEMP=Hi-z(OFF)
-
5.0
12
A
IDD7
VDD=5 V
-
50
75
A
Current consumption
(When non-accessed)
FOUT = Output OFF
IDD8
VDD=3 V
/CS0,/RD,/WR=VDD, Ta= +25
°C
A0-A3,CS1=GND
D0-D3,/IRQ=Hi-z
FOUT=Hi-z(OFF)
VTEMP=ON
-
40
60
A
Note) There is no VTEMP pin on the RTC-7301DG so be aware of the following.
*1 ) Does not apply for IDD7, IDD8.
*2 ) Specifications for the VTEMP pin within the conditions described above do not apply for IDD1
IDD6.
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