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DS32X35

更新时间： 2022-04-23 23:00:11
品牌 Logo 应用领域
美信 - MAXIM 晶体石英晶振温度补偿晶振
页数 文件大小 规格书
21页 279K
描述
Accurate I2C RTC with Integrated TCXO/Crystal/FRAM

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DS32X35 数据手册

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2
Accurate I C RTC with Integrated  
TCXO/Crystal/FRAM  
ABSOLUTE MAXIMUM RATINGS  
Voltage Range on Any Pin Relative to Ground......-0.3V to +5.0V  
Operating Temperature Range ..........................-40°C to +85°C  
Junction Temperature......................................................+125°C  
Storage Temperature Range...............................-40°C to +85°C  
Lead Temperature (soldering, 10s) .................................+260°C  
Soldering Temperature ....................................................See the  
IPC/JEDEC J-STD-020 Specification  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional  
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to  
absolute maximum rating conditions for extended periods may affect device reliability.  
DS2x35  
RECOMMENDED DC OPERATING CONDITIONS  
(T = -40°C to +85°C, unless otherwise noted.) (Notes 1, 2)  
A
PARAMETER  
Supply Voltage  
SYMBOL  
CONDITIONS  
MIN  
2.70  
2.3  
TYP  
3.3  
MAX  
3.63  
3.6  
UNITS  
V
CC  
V
V
Battery Voltage  
V
BAT  
(Note 3)  
(Note 4)  
3.0  
0.7 x  
V
CC  
+
Input High Voltage  
V
V
V
IH  
V
CC  
0.3  
+0.3 x  
Input Low Voltage  
V
-0.3  
IL  
V
CC  
ELECTRICAL CHARACTERISTICS  
(V  
CC  
= 2.7V to 3.63V, T = -40°C to +85°C, unless otherwise noted.) (Note 1)  
A
PARAMETER  
SYMBOL  
CONDITIONS  
Accessing RTC registers  
= 3.63V,  
MIN  
TYP  
MAX  
UNITS  
260  
V
CC  
SCL = 400kHz  
(Note 5)  
Active Supply Current  
Standby Supply Current  
I
µA  
CCA  
Accessing FRAM  
memory  
260  
110  
V
= 3.63V, SCL = 0kHz,  
CC  
I
µA  
µA  
CCS  
32kHz on, SQW off (Note 5)  
V
= 3.65V, SCL = 0kHz,  
CC  
Temperature Conversion Current  
Power-Fail Voltage  
I
575  
TC  
32kHz on, SQW off  
V
2.45  
2.575  
2.70  
0.4  
V
V
PF  
Logic 0 Output  
32kHz, INT/SQW, SDA  
V
V
I
I
= 3mA  
= 1mA  
OL  
OL  
Logic 0 Output  
RST  
0.4  
+1  
V
OL  
OL  
Output Leakage Current  
32kHz, INT/SQW, SDA  
I
Output high impedance  
-1  
-1  
µA  
µA  
LEAK  
Input Leakage  
SCL  
I
LI  
+1  
RST I/O Leakage  
I
RST high impedance (Note 6)  
-200  
50  
1
+10  
µA  
kΩ  
OL  
V
V
= V  
= V  
IN  
IN  
IL(MAX)  
IH(MIN)  
WP Input Resistance  
R
IN  
MΩ  
2
_____________________________________________________________________  
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