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PDF M41TC8025 Data sheet ( Hoja de datos )

Número de pieza M41TC8025
Descripción temperature-compensated serial real-time clock
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! M41TC8025 Hoja de datos, Descripción, Manual

M41TC8025
Highly accurate, temperature-compensated
serial real-time clock (RTC) with embedded crystal
Data brief
Features
Embedded high-stability 32 KHz DTCXO
Temperature-compensated serial real-time
clock
– ±5.0 ppm max from -40 to 85 °C
– ±3.8 ppm max from 0 to 50 °C
Supply voltage
– Clock operating & timekeeping: 1.6 to 5.5 V
– I2C interface operating: 1.8 to 5.5 V
– Temperature compensation: 2.2 to 5.5 V
0.8 µA typical current at 3.0 V supply voltage
400 kHz I2C interface
Time-of-day alarm (with interrupt)
Fixed-cycle timer interrupt function
Time update interrupt function
Programmable frequency output
– FOUT = 1 Hz, 1 KHz and 32 KHz
Registers for seconds, minutes, hours, day-of-
week, date (day of month), month and year
with automatic leap year compensation
Programmable temperature compensation
intervals (0.5 s, 2 s default, 10 s, 30 s)
Applications
Power meters
Industrial applications
SO14
14-pin SOIC
Description
The M41TC8025 is a serial I2C real-time clock
(RTC) incorporating temperature compensation to
maintain accurate timekeeping over the industrial
temperaturewww.DataSheet.net/ range of -40 to +85 °C. In addition to
providing date and time (seconds, minutes, hours,
day-of-week, date (day of month), month and
year), the device also provides an alarm function,
fixed-cycle timer, time update interrupt and
programmable frequency outputs (1 Hz, 1 KHz
and 32 KHz).
The M41TC8025 is provided in a 200 mil, 14-pin
SOIC package.
Table 1. Device summary
Order code
M41TC8025AMC6F
Accuracy
±5.0 ppm (-40 to 85 °C)
±3.8 ppm (0 to 50 °C)
Package
SO14
September 2012
Doc ID 023561 Rev 2
For further information contact your local STMicroelectronics sales office.
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M41TC8025 pdf
M41TC8025
Package mechanical data
Table 3. SO14 - 14-lead small outline (200 mils body width) package mechanical data
mm in
Symbol
Min Typ Max Min Typ Max
A-
- 2.25 -
- 0.089
A1
0.15
0.20
0.25
0.006
0.008
0.010
A2
1.80
1.90
2.00
0.071
0.075
0.079
A3
0.85
0.95
1.05
0.033
0.037
0.041
b 0.41 - 0.54 0.016 - 0.021
b1
0.40
0.45
0.50
0.016
0.018
0.020
c 0.14 - 0.21 0.006 - 0.008
c1
0.13
0.15
0.17
0.005
0.006
0.007
D1
9.80
9.90
10.00
0.386
0.390
0.394
D(1) 10.05 10.15 10.25 0.396 0.400 0.404
E
7.30
7.45
7.60
0.287
0.293
0.299
E1
5.20
5.30
5.40
0.205
0.209
0.213
e 1.27
0.050
L
0.30
0.50
0.70
0.012
0.020
0.028
L1 1.07 ref.
0.042 ref.
R 0.07
-
- 0.003 -
-
R1 0.07
θ1 0°
-
-
-
www.DataSheet.net/
0.003
-
-
-
θ2 13° 15° 17° 13° 15° 17°
θ3 6°
8° 10° 6°
8° 10°
θ4
9.5°
11.5°
13.5°
9.5°
11.5°
13.5°
θ5 6°
8° 10° 6°
8° 10°
1. Dimension “D” includes mold flash.
Doc ID 023561 Rev 2
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