STM812LW16F STMicroelectronics, STM812LW16F Datasheet - Page 13

• Manufacturer Part Number: STM812LW16F
• Description: IC MPU RESET CIRC 4.63V SOT143-4
• Manufacturer: STMicroelectronics
• Type: Simple Reset/Power-On Resetr

Specifications of STM812LW16F

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active High
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.63V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-143, SOT-143B, TO-253AA
• Monitored Voltage: 3 V or 3.3 V or 5 V
• Undervoltage Threshold: 4.56 V
• Overvoltage Threshold: 4.7 V
• Manual Reset: Resettable
• Watchdog: No
• Battery Backup Switching: No
• Power-up Reset Delay (typ): 280 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 15 uA
• Maximum Power Dissipation: 320 mW
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Chip Enable Signals: No
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Type: Active High or Push-Pull
• Power Fail Detection: No
• Input Voltage: 7V
• Power Dissipation Pd: 320mW
• Supply Voltage Range: 1V To 5.5V
• No. Of Pins: 4
• Termination Type: SMD
• Ic Generic Number: 812
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3350-2

STM809/810/811/812
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
operating conditions when relying on the quoted parameters.
Table 4.
Figure 13. AC testing input/output waveforms
Figure 14. MR timing waveform
1. RST for STM810/812
V
Ambient operating temperature (T
Input rise and fall times
Input pulse voltages
Input and output timing ref. voltages
CC
supply voltage
4.. Designers should check that the operating conditions in their circuit match the
RST
MR
Operating and AC measurement conditions
(1)
tMLRL
Parameter
0.8V CC
0.2V CC
tMLMH
Doc ID 9873 Rev 5
A
)
trec
STM809/810/811/812
0.7V CC
0.3V CC
0.2 to 0.8 V
0.3 to 0.7 V
1.0 to 5.5
–40 to 85
≤ 5
DC and AC parameters
CC
CC
Unit
°C
AI07837a
ns
V
V
V
AI02568
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