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MAX709REUA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX709REUA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page Power-Supply Monitor with Reset ________________________________________________________________ Maxim Integrated Products 1 N.C. N.C. RESET VCC N.C. GND N.C. N.C. 1 2 3 4 8 7 6 5 DIP/SO/ µMAX MAX709 __________________Pin Configuration TOP VIEW RESET GND GND VCC VCC µP MAX709 RESET __________Typical Operating Circuit Call toll free 1-800-998-8800 for free samples or literature. 19-0136; Rev. 1; 6/94 _______________General Description The MAX709 provides a system reset during power-up, power-down, and brownout conditions. When VCC falls below the reset threshold, RESET goes low and holds the µP in reset for 140ms min after VCC rises above the threshold. The RESET output is guaranteed to be in the correct state with VCC down to 1V. The MAX709 provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, or +3V powered systems. The MAX709 is available 8-pin DIP, µMAX, and SO packages. _______________________Applications Minimum Component Count, Low-Cost Processor Systems ___________________________Features o +5V, +3.3V, and +3V Versions o No External Components o Low Cost o Precise Power-Down Reset Threshold o 140ms Min Power-On Reset Delay o Immune to Short Negative V CC Transients o 8-Pin DIP, µMAX, and SO Packages o Low Supply Current: 35µA - MAX709R/S/T 65µA - MAX709L/M ______________Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX709_CPA 0°C to +70°C MAX709_CSA 0°C to +70°C 8 SO MAX709_C/D 0°C to +70°C Dice MAX709_EPA -40°C to +85°C 8 Plastic DIP MAX709_ESA -40°C to +85°C 8 SO 8 Plastic DIP * Dice are specified at TA = +25°C, DC parameters only. Note: This part offers a choice of five different reset threshold voltages. Select the letter corresponding to the desired nominal reset threshold voltage, and insert it into the blank to complete the part number. RESET THRESHOLD SUFFIX VOLTAGE (V) L 4.65 M 4.40 T 3.08 S 2.93 R 2.63 MAX709_CUA 0°C to +70°C 8 µMAX MAX709_EUA -40°C to +85°C 8 µMAX |
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