MAX6736 MAXIM [Maxim Integrated Products], MAX6736 Datasheet
MAX6736
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MAX6736 Summary of contents
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... Desired threshold levels are set by the part number suffix found in Tables 1 and 2. The “_” after the placeholder for the reset timeout period suffix found in Table 3. For example, the MAX6736XKLTD3 dual-volt- age supervisor V minimum reset timeout period. All devices are available in tape-and-reel only ...
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Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits ABSOLUTE MAXIMUM RATINGS POK1 to GND ......................................-0. Open-Drain RESET, PFO to GND.............................-0.3V to +6V Push-Pull RESET to GND..........................-0. MR, RSTIN, PFI to GND............................-0.3V ...
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Low-Power Dual-/Triple-Voltage SC70 µP ELECTRICAL CHARACTERISTICS (continued 1.2V to 5.5V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL Reset Threshold for RSTIN Threshold (MAX6738/ V TH-RSTIN ...
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... Leakage Current I LKG (MAX6736/MAX6738) POK1 Output Open-Drain Leakage V Reset Delay Reset Timeout Period CC t (Note 3) MANUAL RESET (MAX6736–MAX6739 only Internal Pullup CC Impedance MR Timeout Period t MRP MR Minimum Input Pulse Width t MPW MR Glitch Rejection MR Input Voltage RESET Delay ...
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Low-Power Dual-/Triple-Voltage SC70 µP ELECTRICAL CHARACTERISTICS (continued 1.2V to 5.5V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL POWER-FAIL COMPARATOR (MAX6742/MAX6745 only) Power Fail In Threshold (Note 5) V ...
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Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits (T = +25°C, unless otherwise noted.) A NORMALIZED V TIMEOUT PERIOD vs. TEMPERATURE 1.019 1.014 1.009 1.004 0.999 0.994 0.989 0.984 -40 - TEMPERATURE (°C) NORMALIZED V RESET THRESHOLD CC vs. TEMPERATURE ...
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... RESET 2V/div 100 0 0 OUTPUT HIGH VOLTAGE vs. SOURCE CURRENT 3. 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 SOURCING CURRENT (mA) POWER-FAIL INPUT TO POWER-FAIL OUTPUT DELAY MAX6736-45 toc11 PFI 200mV/div PFO 2V/div 10µs/div OUTPUT LOW VOLTAGE vs. SINK CURRENT SINK CURRENT (mA) 7 ...
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... POK1 period. POK1 logic is independent of the The output can be used to control V sequencing. Pin Description FUNCTION RSTIN) drops below its selected reset CC 1. The MAX6736/MAX6738 CC 1 and provide a manual unused below V 1. POK1 output exceeds V 1 for the POK1 timeout ...
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... Low-Power Dual-/Triple-Voltage SC70 µP Table 1. Reset Voltage Threshold Suffix Guide for MAX6736/MAX6737/MAX6740/ MAX6741/MAX6743/MAX6744 PART NO NOMINAL CC SUFFIX VOLTAGE ( THRESHOLD (V) LT 4.625 MS 4.375 MR 4.375 TZ 3.075 TW 3.075 TI 3.075 TG 3.075 TE 3.075 SY 2.925 SV 2.925 SH 2.925 SF 2.925 SD 2.925 RY 2.625 RV 2.625 RH 2.625 RF 2.625 Note: Standard versions, shown in bold, are available in the D3 timeout option only. Samples are typically held on standard versions only. There is a 10,000-piece order increment on nonstandard versions. Other threshold voltage combinations may be available ...
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... Table 2. Contact the factory for the availability of other voltage thresholds. 10 ______________________________________________________________________________________ SWITCH BOUNCE The MAX6736–MAX6745 provide an active-low reset out- put (RESET). RESET is asserted when the voltage at either falls below the voltage threshold CC CC level, RSTIN drops below the threshold pulled low ...
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... The MAX6736–MAX6739 have a dedicated active-low MR input. The RESET is asserted low while MR is held low and remains asserted for the manual reset timeout period after MR returns high. The MR input has an internal 1.5kΩ ...
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Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits POSITIVE IN V EXT_TH MAX6742 MAX6745 EXT_TH R1 PFI PFO R2 GND NEGATIVE EXT_TH CC MAX6742 MAX6745 V PFI R1 ...
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... CC RSTIN/PFI ______________________________________________________________________________________ Supervisory Circuits 1 POK (POK1) ideal The MAX6736–MAX6745 supervisors are relatively 1 immune to short-duration falling the es usually undesirable to reset the µP when V POKP experiences only small glitches. The Typical Operating Characteristics show Maximum V Duration vs. Reset Threshold Overdrive, for which reset pulses are not generated ...
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Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits VOLTAGE OPEN-DRAIN PART MONITORS MAX6739 1 fixed, 1 adj MAX6740 2 fixed, 1 adj MAX6741 2 fixed MAX6742 1 fixed MAX6743 2 fixed, 1adj MAX6744 2 fixed MAX6745 1 fixed *Manual reset detect on ...
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... Low-Power Dual-/Triple-Voltage SC70 µP TOP VIEW RESET MAX6736 GND 2 MAX6737 SC70 RESET 1 2 GND POK1 3 Ordering Information (continued) PART TEMP RANGE MAX6738XK_D_-T -40°C to +85°C MAX6739XK_D_-T -40°C to +85°C MAX6740XK_ _D_-T -40°C to +85°C MAX6741XK_ _D_-T -40° ...
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Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than ...