M41TC8025CMC7F datasheet(33/41 Pages) STMICROELECTRONICS

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M41TC8025

DC and AC parameters

This section summarizes the operating measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC characteristics tables that

follow, are derived from tests performed under the measurement conditions summarized in

Table 25: Operating and AC measurement conditions. Designers should check that the

operating conditions in their circuit match the operating conditions when relying on the

quoted parameters.

Table 25. Operating and AC measurement conditions

Parameter

Value

Unit

Clock operating and timekeeping VCC supply voltage

1.6 to 5.5

I2C interface operating VCC supply voltage

1.8 to 5.5

Temperature compensation VCC supply voltage

2.2 to 5.5

Ambient operating temperature (TA)

-45 to +85

°C

Table 26. Frequency characteristics

Parameter

Condition

Value

Unit

Accuracy

TA = -40 to +85 °C; VCC = 3.0 V (version A)

TA = -45 to 70 °C; VCC = 3.0 V (version C)

±5.0

ppm

TA = 0 to +50 °C; VCC = 3.0 V

±3.8

ppm

Frequency/voltage

characteristics

TA = 25 °C; VCC = 2.2 to 5.5 V

±1.0

ppm/V

Aging

TA = 25 °C; VCC = 3.0 V, the first year

±3.0

ppm/year

Oscillator startup

TA = -40 to +85 °C; VCC = 2.2 to 5.5 V

3.0 (max)

Obsolete

Product(s)

- Obsolete

Product(s)

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