MAX793REPE+ Maxim Integrated Products, MAX793REPE+ Datasheet
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MAX793REPE+
Specifications of MAX793REPE+
Related parts for MAX793REPE+
MAX793REPE+ Summary of contents
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... Battery-Powered Computers and Controllers Embedded Controllers Intelligent Controllers Critical µP Power Monitoring Portable Equipment Pin Configurations appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Supervisory Circuits ____________________________Features MAX793/MAX794/MAX795 ...
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Adjustable Microprocessor Supervisory Circuits ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V ......................................................................-0.3V to +6. ...................................................................-0.3V to +6.0V BATT All Other Inputs ..................-0.3V to the higher of V Continuous Input Current V .................................................................................200mA CC V ...
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Adjustable Microprocessor ELECTRICAL CHARACTERISTICS (continued 3.17V to 5.5V for the MAX793T/MAX795T MAX793R/MAX794/MAX795R 3.6V, T BATT PARAMETER SYMBOL Reset Threshold (Note 8) V RST RESET IN Threshold V RST IN (MAX794 only) RESET IN ...
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Adjustable Microprocessor Supervisory Circuits ELECTRICAL CHARACTERISTICS (continued 3.17V to 5.5V for the MAX793T/MAX795T MAX793R/MAX794/MAX795R 3.6V, T BATT PARAMETER SYMBOL RESET Output-Voltage Low V OL BATT ON Output Voltage Low All Inputs ...
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Microprocessor __________________________________________Typical Operating Characteristics (T = +25°C, unless otherwise noted -TO-OUT ON-RESISTANCE CC vs. TEMPERATURE 3 30mA OUT 2.8 2.6 2.4 2 3. 3.3V CC 1.8 1 ...
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Adjustable Microprocessor Supervisory Circuits ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted.) A MAX794 RESET IN THRESHOLD AND LOWLINE-TO-RESET IN THRESHOLD vs. TEMPERATURE 1.242 1.241 V RESET IN 1.240 1.239 LOWLINE RST 1.238 1.237 ...
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Adjustable Microprocessor ______________________________________________________________Pin Description PIN NAME MAX793/ MAX795 MAX794 1 1 OUT BATT OK (MAX793) 3 — RESET IN (MAX794) 4 — PFI 5 3 BATT GND PFO 7 — ...
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Adjustable Microprocessor Supervisory Circuits _______________Detailed Description General Timing Characteristics The MAX793/MAX794/MAX795 are designed for 3.3V and 3V systems, and provide a number of supervisory functions (see the Selector Guide on the front page). Figures 1 and 2 show the ...
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Adjustable Microprocessor brownout conditions. RESET is guaranteed logic low for 0V < V < provided V CC RST greater than 1V. Without a backup battery (V ), RESET is guaranteed valid for V V ...
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Adjustable Microprocessor Supervisory Circuits (OPTIONAL) Si9433DY 3.3V SILICONIX D S 0.1µF PMOS R1 V BATT ON OUT CC RESET IN CE OUT R2 MAX794 ADDRESS CE IN BATT DECODER 0.1µF 3.6V WDI WDO LOWLINE V MR +5V SUPPLY PFO ...
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Adjustable Microprocessor V RST RESET WDO t WD WDI WDO CONNECTED TO µP INTERRUPT RESET PULLED Figure 5. Watchdog Timing Relationship a reset occurs or when a transition (low-to-high or high- ...
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Adjustable Microprocessor Supervisory Circuits MAX793 MAX794 MAX795 CHIP-ENABLE OUTPUT CONTROL RESET P GENERATOR Figure 7. Chip-Enable Transmission Gate The CE transmission gate remains disabled and CE IN remains high impedance (regardless activity) for ...
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Adjustable Microprocessor BATT 3.6V 25Ω EQUIVALENT SOURCE IMPEDANCE 50Ω CABLE CE IN 50Ω 50Ω *C INCLUDES LOAD CAPACITANCE AND SCOPE PROBE CAPACITANCE. L Figure 9. CE Propagation Delay Test Circuit 10). If there is no easy access to the ...
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Adjustable Microprocessor Supervisory Circuits MAX793 PFI MAX794 R2 GND PFO TRIP – TRIP PFT PFH ...
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Adjustable Microprocessor V RST V CC 3.6V 3.3V V OUT V = 3.6V BATT Figure 13. Battery Switchover Timing Table 1. Input and Output Status in Battery-Backup Mode PIN NAME STATUS Connected to BATT through an internal OUT 140Ω ...
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Adjustable Microprocessor Supervisory Circuits 3.0V OR 3.3V V BATT ON CC MAX793 MAX794 MAX795 GND (a) Figure 14. Driving an External Transistor with BATT ON 3.0V OR 3.3V MAX793 V CC MAX794 1N4148 BATT 0.47F GND (a) Figure 15. ...
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Adjustable Microprocessor PFI R2 R3 C1* PFO TO µP PFO TRIP ( ) TRIP PFT ...
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Adjustable Microprocessor Supervisory Circuits Figure 18 shows maximum transient duration vs. reset- comparator overdrive, for which reset pulses are not generated. The graph was produced using negative- going V pulses, starting at 3.3V and ending below CC the reset ...
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Adjustable Microprocessor _Ordering Information (continued) PART* TEMP RANGE MAX793_EPE -40°C to +85°C MAX793_ESE -40°C to +85°C MAX794CPE 0°C to +70°C MAX794CSE 0°C to +70°C MAX794EPE -40°C to +85°C MAX794ESE -40°C to +85°C MAX795_CPA 0°C to +70°C MAX795_CSA 0°C to ...
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... 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 and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products ...