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Part: MAX6313UK34D3-T
Category:
Analog & Mixed-Signal Processing
-> Power
Description: Multiple-input, Programmable Reset ic (push/pull Reset Output,factory-set Reset Threshold on Vcc, 1 Additional Undervoltage Reset Input,negative/overvoltage Reset Input).factory-trimmed Reset Thresholds 3.315(min) 3.485(max).Nominal Timeout Period 140ms.
Company: Maxim Integrated Products
Datasheet: Download MAX6313UK34D3-T datasheet File size : 384 kB
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Datasheet text preview:
19-1145; Rev 1; 8/98
5-Pin, Multiple-Input, Programmable Reset ICs
General Description
The MAX6305MAX6313 CMOS microprocessor (µP) supervisory circuits are designed to monitor more than one power supply. Ideal for monitoring both 5V and 3 . 3 V in personal computer systems, these devices assert a system reset if any of the monitored supplies falls outside the programmed threshold. Low supply c u r r e n t (15µA) and a small package suit them for p o r t a b l e applications. The MAX6305MAX6313 are s p e c i f i c a l l y designed to ignore fast transients on any monitored supply. These devices are available in a SOT23-5 package, have factory-programmed reset thresholds from 2.5V to 5.0V (in 100mV increments), and feature four power-on reset timeout periods.
Features
o Small 5-Pin SOT23 Package o Precision Factory-Set VCC Reset Thresholds; Available in 0.1V Increments from 2.5V to 5V o Immune to Short VCC Transients o Guaranteed RESET Valid to VCC = 1V o Guaranteed Over Temperature o 8µA Supply Current o Factory-Set Reset Timeout Delay from 1ms (min) to 1120ms (min) o No External Components o Manual Reset Input o Under/Overvoltage Supply Monitoring
MAX6305MAX6313
Applications
Portable Computers Computers Controllers Intelligent Instruments Portable/Battery-Powered Equipment Multivoltage Systems: 3V/5V, 5V/12V, 5V/24V Embedded Control Systems
PART MAX6305UK00D_-T MAX6306UK_ _D_-T MAX6307UK_ _D_-T
Ordering Information
TEMP. RANGE 0°C to +70°C 0°C to +70°C 0°C to +70°C PIN-PACKAGE 5 SOT23-5 5 SOT23-5 5 SOT23-5
Pin Configurations and Typical Operating Circuit appear at end of data sheet.
T h e MAX6306/MAX6307/MAX6309/MAX6310/MAX6312/ MAX6313 are available with factory-set VCC reset thresholds from 2.5V to 5V, in 0.1V increments. Insert the desired nominal reset threshold (from Table 1) into the blanks following the letters UK. All parts also offer factory-programmed reset timeout periods. Insert the number corresponding to the desired nominal timeout period index following the "D" in the part number (D1 = 1ms min, D2 = 20ms min, D3 = 140ms min, and D4 = 1120ms min). Contact factory for availability and minimum order sizes. Ordering Information continued at end of data sheet.
_______________________________________________________________Selector Table
PART MAX6305 MAX6306 MAX6307 MAX6308 MAX6309 MAX6310 MAX6311 MAX6312 MAX6313 -- -- -- -- -- -- -- -- -- OPEN-DRAIN RESET OUTPUT PUSH/PULL RESET OUTPUT -- -- -- PUSH/PULL RESET OUTPUT -- -- -- -- -- -- -- -- FACTORYADDITIONAL NEGATIVE/ MANUALSET RESET UNDERVOLTAGE OVERVOLTAGE RESET THRESHOLD RESET INPUTS RESET INPUT INPUT ON VCC -- 2 1 1 2 1 1 2 1 1 -- -- -- -- -- -- -- -- -- -- -- --
________________________________________________________________ Maxim Integrated Products
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For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468.
5-Pin, Multiple-Input, Programmable Reset ICs MAX6305MAX6313
ABSOLUTE MAXIMUM RATINGS
VCC .........-0.3V to +6V All Other Pins....-0.3V to (VCC + 0.3V) Input/Output Current, All Pins ............20mA Rate of Rise, VCC ...100V/µs Continuous Power Dissipation (TA = +70°C) SOT23-5 (derate 7.1mW/°C above +70°C)........571mW Operating Temperature Range.......0°C to +70°C Storage Temperature Range .....-65°C to +160°C Lead Temperature (soldering, 10sec) .....+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
VCC = +2.5V to +5.5V for the MAX6305/MAX6308/MAX6311, VCC = (VTH + 2.5%) to +5.5V for the MAX6306/MAX6307/MAX6309/ MAX6310/MAX6312/MAX6313; TA = 0°C to +70°C; unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER VCC Range Supply Current Reset Threshold (Note 2) Reset Threshold Tempco Reset Threshold Hysteresis ICC VTH SYMBOL VCC = 5.5V MAX6306/MAX6307/ MAX6309/MAX6310/ MAX6312/MAX6313 TA = +25°C TA = 0°C to +70°C VTH - 1.5% VTH - 2.5% 40 2 x VTH D1 Reset Timeout Period tRP D2 D3 D4 VCC > 4.25V, ISINK = 3.2mA VCC > 2.5V, ISINK = 1.2mA VOL RESET Output Voltage MAX6305MAX6310 TA = 0°C to +70°C, VCC > 1.2V, ISINK = 500µA TA = 0°C to +70°C, VCC > 1.0V, ISINK = 50µA MAX6308/MAX6309/ MAX6310 VCC > 4.25V, ISOURCE = 800µA VCC > 2.5V, ISOURCE = 500µA VCC > 4.25V, ISINK = 3.2mA VCC > 2.5V, ISINK = 1.2mA MAX6311/MAX6312/ MAX6313 VOH VCC > 1.8V, ISOURCE = 150µA TA = 0°C to +70°C, VCC > 1.0V, ISOURCE = 10µA 0.8 x VCC 0.8 x VCC VCC - 1.5 0.8 x VCC 0.4 0.3 V 1 20 140 1120 1.4 28 200 1570 2 40 280 2240 0.4 0.3 0.3 0.3 V ms CONDITIONS TA = 0°C to +70°C (Note 1) MIN 1.0 8 VTH TYP MAX 5.5 16 VTH + 1.5% V VTH + 2.5% ppm/°C mV UNITS V µA
VTH/°C VTH HYST
VOH
VOL RESET Output Voltage
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5-Pin, Multiple-Input, Programmable Reset ICs
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.5V to +5.5V for the MAX6305/MAX6308/MAX6311, VCC = (VTH + 2.5%) to +5.5V for the MAX6306/MAX6307/MAX6309/ MAX6310/MAX6312/MAX6313; TA = 0°C to +70°C; unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL VIL MR Input VIH VIL VIH MR Minimum Input Pulse MR Glitch Rejection MR to Reset Delay MR Pull-Up Resistance ADJUSTABLE RESET COMPARATOR INPUTS RST IN Input Threshold RST IN Input Current RST IN Hysteresis VRSTH IRST IN_ TA = +25°C TA = 0°C to +70°C 0V < VRST IN_ < VCC - 0.3V 1.21 1.20 -25 2.5 1.23 1.25 1.26 25 V nA mV 32 CONDITIONS MIN 0.8 2.4 0.3 x VCC 0.7 x VCC 1 0.1 500 63.5 100 µs µs nsV k V TYP MAX UNITS
MAX6305MAX6313
MANUAL-RESET INPUT (MAX6306/MAX6309/MAX6312) VTH > 4.0V VTH < 4.0V
Note 1: The MAX6305/MAX6308/MAX6311 switch from undervoltage reset to normal operation between 1.5V < VCC < 2.5V. Note 2: The MAX6306/MAX6307/MAX6309/MAX6310/MAX6312/MAX6313 monitor VCC through an internal factory-trimmed voltage divider, which programs the nominal reset threshold. Factory-trimmed reset thresholds are available in approximately 100mV increments from 2.5V to 5V (Table 1).
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