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STM6321 Datasheet(PDF) 19 Page - STMicroelectronics

Part # STM6321
Description  5-pin supervisor with watchdog timer and push-button reset
PDF  28 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM6321 Datasheet(HTML) 19 Page - STMicroelectronics

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STM6321/6322STM6821/6822/6823/6824/6825
DC and AC parameters
19/28
5
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. 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
Figure 24.
AC testing input/output waveforms
Figure 25.
MR timing waveform
1.
RST for STM6322/6821/6825.
Figure 26.
Watchdog timing
Parameter
STM6xxx
Unit
VCC supply voltage
1.0 to 5.5
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
AI07837a
RST
(1)
MR
tMLRL
trec
tMLMH
AI09136
RST
WDI
VCC
trec
tWD



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