M41T11 データシートの表示（PDF） - STMicroelectronics

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M41T11

Serial real-time clock (RTC) with 56 bytes of NVRAM

STMicroelectronics 

M41T11

5

DC and AC parameters

DC and AC parameters

This section summarizes the operating and measurement conditions, as well as the DC and

AC characteristics of the device. The parameters in the following DC and AC characteristic

tables are derived from tests performed under the measurement conditions listed in Table 5:

Operating and AC measurement conditions. Designers should check that the operating

conditions in their projects match the measurement conditions when using the quoted

parameters.

Table 5. Operating and AC measurement conditions(1)

Parameter

M41T11

Supply voltage (VCC)

Ambient operating temperature (TA)

Load capacitance (CL)

Input rise and fall times

2.0 to 5.5(2)

–40 to 85

100

≤ 50

Input pulse voltages

0.2VCC to 0.8VCC

Input and output timing ref. voltages

0.3VCC to 0.7VCC

1. Output Hi-Z is defined as the point where data is no longer driven.

2. Supply voltage for SOH28 is 3.3 V to 5.5 V.

Unit

V

°C

pF

ns

V

V

Figure 14. AC testing input/output waveform

0.8VCC

0.2VCC

0.7VCC

0.3VCC

AI02568

Doc ID 6103 Rev 10

19/30

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