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STM690 Datasheet(PDF) 31 Page - STMicroelectronics

Part No. STM690
Description  3 V supervisor with battery switchover
Download  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM690 Datasheet(HTML) 31 Page - STMicroelectronics

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STM690, STM704, STM795, STM802, STM804, STM805, STM806
DC and AC parameters
Doc ID 10519 Rev 9
31/42
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 tests performed under the measurement conditions summarized in
Table 6. Designers should check that the operating conditions in their circuit match the
operating conditions when relying on the quoted parameters.
Figure 34.
E to ECON propagation delay test circuit
1.
CL includes load capacitance and scope probe capacitance.
Figure 35.
AC testing input/output waveforms
Table 6.
Operating and AC measurement conditions
Parameter
STM690/704/795/
802/804/805/806
Unit
VCC/VBAT supply voltage
1.0 to 5.5
V
Ambient operating temperature (TA)
–40 to 85
°C
Input rise and fall times
55ns
Input pulse voltages
0.2 to 0.8 VCC
V
Input and output timing ref. voltages
0.3 to 0.7 VCC
V
AI08854
VBAT
ECON
VCC
VCC
3.6 V
50 pF C L
(1)
25
equivalent
source impedance
50
cable
50
50
STM690/704/
795/802/804/
805/806
GND
E
AI02568
0.8 V CC
0.2 V CC
0.7 V CC
0.3 V CC


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