MAX6753 MAXIM [Maxim Integrated Products], MAX6753 Datasheet
MAX6753
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MAX6753 Summary of contents
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... The MAX6746–MAX6753 are available with a push-pull or open-drain active-low RESET output. The MAX6746– MAX6753 are available in an 8-pin SOT23 package and are fully specified over the automotive temperature range (-40°C to +125°C). Medical Equipment ...
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... Extended Watchdog Timeout (MAX6746–MAX6751) Slow Watchdog Period (MAX6752/MAX6753) Fast Watchdog Timeout Period, SET Ratio = 8, (MAX6752/MAX6753) Fast Watchdog Timeout Period, SET Ratio = 16, (MAX6752/MAX6753) 2 _______________________________________________________________________________________ Continuous Power Dissipation (T 8-Pin SOT23 (derate 8.9mW/°C above +70°C)............714mW + 0.3V) Operating Temperature Range .........................-40°C to +125° 0.3V) Storage Temperature Range ............................-65° ...
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... CC A MIN MAX PARAMETER SYMBOL Fast Watchdog Timeout Period, SET Ratio = 64, (MAX6752/MAX6753) Fast Watchdog Minimum Period (MAX6752/MAX6753) SWT Ramp Current SWT Ramp Threshold V RESET Output-Voltage LOW Open-Drain, Push-Pull (Asserted) RESET Output-Voltage HIGH, Push-Pull (Not Asserted) RESET Output Leakage Current, Open Drain ...
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Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay (V = +5V +25°C, unless otherwise noted RESET TIMEOUT PERIOD vs. C SRT 1000 100 10 1 0.1 100 1000 10,000 100,000 C (pF) SRT NORMALIZED RESET TIMEOUT ...
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... WD Farads. Extend the basic watchdog timeout period by using the WDS input. Connect SWT to ground to disable the watchdog timer function. SWT MAX6752/MAX6753: Connect a capacitor between SWT and ground to set the slow watchdog timeout period (t watchdog period by the formula: t seconds and C SWT by pinstrapping SET0 and SET1 (Connect SET0 high and SET1 low to disable the watchdog timer function ...
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... The watchdog timer clears when a transition occurs on WDI or whenever RESET is asserted. Connect SWT to ground to disable the watchdog timer function. WDI MAX6752/MAX6753: WDI falling transitions within periods shorter than force RESET to assert low for the reset timeout t or longer than t WD1 WD2 period ...
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... TO ASSERT RESET WDI CONDITION 1 WDI CONDITION 2 WDI CONDITION 3 *UNDETERMINED STATES MAY OR MAY NOT GENERATE A FAULT CONDITION Figure 1. MAX6752/MAX6753 Detailed Watchdog Input Timing Relationship Detailed Description The MAX6746–MAX6753 assert a reset signal whenever the V supply voltage or RESET IN falls below its reset CC threshold. The reset output remains asserted for the ...
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Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay V MON_TH R1 RESET IN MAX6748 R2 MAX6749 MAX6750 GND MAX6751 Figure 3. Adding an External Manual Reset Function to the MAX6748–MAX6751 where V is the desired reset threshold voltage MON_TH and ...
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... Mode Watchdog Timeout Period vs. C Typical Operating Characteristics ). To disable the watch- dog timer function, connect SWT to ground. The MAX6752 and MAX6753 have a windowed watch- dog timer that asserts RESET for the adjusted reset timeout period when the watchdog recognizes a fast watchdog fault (t < ...
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... Figure 6. Interfacing to Other Voltage Levels normal mode operation, calculate the watchdog time- out capacitor as follows: with t in seconds and C RP For the MAX6752 and MAX6753 windowed watchdog function, calculate the slow watchdog period, t follows: C and C SRT capacitor. Ceramic capacitors are recommended. ...
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Reset Circuits with Capacitor-Adjustable Interfacing to Other Voltages for Logic Compatibility The open-drain RESET output can be used to interface to a µP with other logic levels. As shown in Figure 6, the open-drain output can be connected to ...
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... MAX6751KA46 3.060 MAX6752KA16 2.984 MAX6752KA23 2.856 MAX6752KA26 2.754 MAX6752KA29 2.678 MAX6752KA46 2.550 MAX6753KA16 2.448 MAX6753KA23 2.359 MAX6753KA26 2.232 MAX6753KA29 2.142 MAX6753KA46 2.040 1.938 1.836 1.698 1.607 TOP MARK AEDI AEDJ AEDK AALN AEDL AALO AEDM AEDN AEDO AEDP AALP AALQ AEDQ ...
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... X — — — — X — X — — — X — X — — — X — SET0 SWT 2 7 RESET MAX6752 MAX6753 SRT 3 6 WDI GND 4 5 SET1 SOT23-8 Chip Information Package Information PACKAGE OUTLINE LAND CODE NO. PATTERN NO. K8-5 21-0078 90-0176 13 ...
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... REVISION REVISION NUMBER DATE 0 7/02 Initial release 3 12/05 Added the lead-free notation. Added the automotive version of the MAX6746 and the MAX6753 and 4 9/10 revised the Typical Operating Characteristics. 5 12/10 Added the automotive version of the MAX6750. 6 4/11 Added the automotive version of the MAX6747. Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied ...