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STM1403 датащи(PDF) 24 Page - STMicroelectronics

номер детали STM1403
подробное описание детали  3 V FIPS-140 security supervisor with battery switchover
PDF  34 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM1403 датащи(HTML) 24 Page - STMicroelectronics

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DC and AC parameters
STM1403
24/35
7
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 5: Operating and AC measurement condition. Designers should check that the
operating conditions in their circuit match the operating conditions when relying on the
quoted parameters.
Figure 24.
AC testing input/output waveforms
Figure 25.
MR timing waveform
Figure 26.
STM1403 switchover diagram, condition A (VBAT < VSW)
Figure 27.
STM1403 switchover diagram, condition B (VBAT > VSW)
Table 5.
Operating and AC measurement condition
Parameter
STM1403
Unit
VCC/VBAT supply voltage
2.2 to 3.6
V
Ambient operating temperature (TA)–40 to 85
°C
Input rise and fall times
≤ 5ns
Input pulse voltages
0.2 to 0.8VCC
V
Input and output timing ref. voltages
0.3 to 0.7VCC
V
AI02568
0.8VCC
0.2VCC
0.7VCC
0.3VCC
AI09694
RST
MR
tMLRL
trec
tMLMH
AI10463
VCC = 3.3V
VSW = 2.4V
VBAT
VBAT – 75mV
VBAT – 35mV
VRST
VOUT
AI10464
VCC = 3.3V
VSW = 2.4V
VBAT
VSW + 40mV
VOUT



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