Description:Comparator Hysteresis Prevents Erratic Reset; Reset Output Capable of Sinking in Excess of 6.0 mA; Internal Clamp Diode for Discharging Delay Capacitor; Temperature Compensated Reference; Economical TO-226AA, SO-8 and Micro-8 Surface Mount Packages; Guaranteed Reset Operation With 1.0 V Input; Monitors 3.0 V (MC34164-3) or 5.0 V (MC34164-5) Power Supplies; Extremely Low Standby Current: As Low as 9.0 µA; Precise Comparator Thresholds Guaranteed Over Temperature
A good PCB layout for the MC34164P-5G should include a solid ground plane, wide power traces, and a thermal relief pattern under the package to facilitate heat dissipation. A minimum of 2 oz copper thickness is recommended.
To ensure reliable operation at high temperatures, ensure that the device is operated within the recommended junction temperature range (TJ) of -40°C to 150°C. Also, provide adequate heat sinking and thermal management to keep the junction temperature below 125°C.
The critical timing parameters for the MC34164P-5G include the input rise and fall times (tr and tf), the output rise and fall times (tr(o) and tf(o)), and the propagation delay (tpd). These parameters are critical for ensuring reliable operation and should be carefully considered during design.
The MC34164P-5G has built-in ESD protection, but additional protection measures can be taken to ensure device reliability. Use ESD-sensitive handling procedures, and consider adding external ESD protection devices, such as TVS diodes, to the PCB design.
The MC34164P-5G requires a single 5V supply voltage (VCC) and a separate input voltage (VIN) for the internal voltage regulator. Ensure that the power sequencing is correct, with VCC applied before VIN, and that the supply voltage is within the recommended range of 4.5V to 5.5V.
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MC34164P-5G Overview
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