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PT7C43390LE 数据表(PDF) 4 Page - Pericom Semiconductor Corporation

部件名 PT7C43390LE
功能描述  Real-time Clock Module
PDF  38 Pages
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制造商  PERICOM [Pericom Semiconductor Corporation]
网页  http://www.pericom.com
标志 PERICOM - Pericom Semiconductor Corporation

PT7C43390LE 数据表(HTML) 4 Page - Pericom Semiconductor Corporation

  PT7C43390LE Datasheet HTML 1Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 2Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 3Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 4Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 5Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 6Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 7Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 8Page - Pericom Semiconductor Corporation PT7C43390LE Datasheet HTML 9Page - Pericom Semiconductor Corporation Next Button
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2015-12-0001
PT0280-8
12/11/15
4
PT7C43390/43390C
Real-time Clock Module
Maximum Ratings
Storage Temperature....................................................................................-55oC to +125oC
Operating Temperature..................................................................................-40oC to +85oC
Power Supply Voltage........................................................................Vss-0.3V to Vss+6.5V
DC Input Voltage(SCL, SDA).........................................................Vss-0.3V to Vss+6.5V
DC Output Voltage(SDA, INT1, INT2).......................................Vss-0.3V to Vss+6.5V
Power Dissipation
..........................................................250mW (depend onpackage)
Recommended Operating Conditions
Symbol
Parameter
CONDITIONS
Min
Typ
Max
Unit
VDD
Power supply voltage
TA = −40 to +85°C
1.35
3.0
5.5
V
Topr
Operating temperature
VDD =1.3 to 5.5 V
−40
+25
+85
°C
VDDT
Time keeping voltage range
TA = −40 to +85°C
1.25
-
5.5
V
VDDR
Register hold voltage
TA = −40 to +85°C
0.9
-
5.5
V
VDET
Power supply voltage detection voltage
*1
TA = −40 to +85°C
0.70
1.05
1.40
V
CL
Crystal oscillator CL value
-
-
6
12.5
pF
*1. Power supply voltage detection voltage: Constantly maintains the relation of VDET > VDDRM (minimum data hold voltage).
Oscillation Characteristics
(For PT7C43390: TA = 25°C, VDD = 3.0 V, VSS = 0 V, crystal oscillator (CL = 6pF, 32.768 kHz).)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VSTA
Oscillation start voltage
Within 10 seconds
1.1
-
5.5
V
-
Oscillation start time
-
-
-
3
s
δIC
IC to IC frequency deviation
-
-10
-
+10
ppm
δV
Frequency voltage deviation
VDD =1.35 to 5.5 V
-3
-
+3
ppm
(For PT7C43390C: TA = 25°C, VDD = 3.0 V, VSS = 0 V.)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VSTA
Oscillation start voltage
Within 10 seconds
1.1
-
5.5
V
-
Oscillation start time
-
-
-
3
s
δIC
IC to IC frequency deviation
-
-10
-
+10
ppm
f / f
Frequency tolerance
-
-30
-
+30
ppm
δV
Frequency voltage deviation
VDD =1.3 to 5.5 V
-3
+3
ppm
fa
Aging
First year
±5
ppm/year
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect reliability.



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