MAX792LC/D MAXIM [Maxim Integrated Products], MAX792LC/D Datasheet
MAX792LC/D
Related parts for MAX792LC/D
MAX792LC/D Summary of contents
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Rev. 2; 6/98 General Description The MAX792/MAX820 microprocessor (µP) supervisory circuits provide the most functions for power-supply and watchdog monitoring in systems without battery backup. Built-in features include the following: 1) µP reset: Assertion of RESET and RESET outputs ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits ABSOLUTE MAXIMUM RATINGS Input Voltage (with respect to GND) V .......................................................................-0.3V to +6V CC All Other Inputs.......................................-0. Input Current GND ................................................................................25mA All Other Outputs ............................................................25mA Continuous Power Dissipation (T = +70°C) A ...
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ELECTRICAL CHARACTERISTICS (continued 2.65V to 5.5V MIN MAX PARAMETER LOW-LINE COMPARATOR Low-Line Threshold Voltage (Internal Threshold Mode)—V TH Low-Line Threshold Voltage (External Programming Mode) Low-Line Hysteresis (Internal Threshold Mode) LLIN/REFOUT Leakage ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued 2.65V to 5.5V unless otherwise noted MIN MAX PARAMETER OVERVOLTAGE COMPARATOR OVI Input Threshold OVI ...
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Operating Characteristics (T = +25°C, unless otherwise noted.) A SUPPLY CURRENT vs. TEMPERATURE 100 SWT = ALL OUTPUTS CC UNLOADED ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted.) A INTERNAL-MODE RESET THRESHOLD vs. TEMPERATURE (NORMALIZED) 1.125 1.100 1.075 1.050 1.025 1.000 0.975 0.950 THE RESET THRESHOLD IS SHOWN 0.925 NORMALIZED TO 1, ...
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Description PIN NAME Active-Low Reset Output goes low whenever V RESET 1 old programming mode, or RESET IN falls below 1.30V in external threshold programming mode. RESET remains low for 200ms typ after the threshold is exceeded on power-up. ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits Detailed Description Manual-Reset Input Many µP-based products require manual-reset capabil- ity, allowing the operator to initiate a reset. The manu- al/external-reset input (MR) can connect directly to a switch without an external pull-up resistor ...
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RESET IN/ INT LLIN/ 5 REFOUT SWT 11 WDI 7 OVI Figure 1. Block Diagram _______________________________________________________________________________________ Microprocessor and Non-Volatile Memory Supervisory Circuits RESET COMPARATOR V ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits 25 s MIN TYP RESET OUT 15 s TYP Figure 2. Manual-Reset Timing Diagram MANUAL RESET OTHER RESET * SOURCES . . . * ...
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REGULATOR RESET IN/INT R1 MAX792 R4 MAX820 LLIN/REFOUT R2 GND LOW LINE 1 RESET R4 Figure 4c. Alternative Connection for External ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits 1.6sec WDI WDPO 70ns WDO Figure 7. WDI, WDO and WDPO Timing Diagram default is 1.6sec. Select alternative timeout periods by connecting an external capacitor from SWT to GND (see ...
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Chip-Enable Signal Gating The MAX792/MAX820 provide internal gating of chip- enable (CE) signals, which prevents erroneous data from corrupting CMOS RAM in the event of an under- voltage condition. The MAX792/MAX820 use a series transmission gate from ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits + MAX792 MAX820 OUT GND 12 * MAXIMUM R VALUE DEPENDS ON P THE NUMBER OF RAMS. MINIMUM R VALUE ...
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Information (continued) PART** TEMP. RANGE MAX792_EPE -40°C to +85°C MAX792_ESE -40°C to +85°C MAX792_EJE -40°C to +85°C MAX792_MJE -55°C to +125°C MAX820_CPE -0°C to +70°C MAX820_CSE -0°C to +70°C MAX820_EPE -40°C to +85°C MAX820_ESE -40°C to +85°C MAX820_EJE -40°C ...
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Microprocessor and Non-Volatile Memory Supervisory Circuits ________________________________________________________Package Information Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry ...