STM1404CSOJQ6 데이터 시트보기 (PDF) - STMicroelectronics

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STM1404CSOJQ6

3 V FIPS-140 security supervisor with battery switchover

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DC and AC parameters

7

DC and AC parameters

STM1404

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 5: 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 5. Operating and AC measurement conditions

Parameter

STM1404

Unit

VCC/VBAT supply voltage

Ambient operating temperature (TA)

Input rise and fall times

Input pulse voltages

Input and output timing ref. voltages

2.2 to 3.6

V

–40 to 85

°C

≤5

ns

0.2 to 0.8VCC

V

0.3 to 0.7VCC

V

Figure 24. AC testing input/output waveforms

0.8VCC

0.2VCC

Figure 25. MR timing waveform

MR

tMLRL

RST

tMLMH

trec

0.7VCC

0.3VCC

AI02568

AI09694

24/36

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