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MAX6332 数据表(PDF) 1 Page - Maxim Integrated Products |
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MAX6332 数据表(HTML) 1 Page - Maxim Integrated Products |
1 / 6 page General Description The MAX6332/MAX6333/MAX6334 microprocessor (µP) supervisory circuits monitor the power supplies in 1.8V to 3.3V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external com- ponents and adjustments. These devices perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for a preset timeout period after VCC has risen above the reset threshold. The only difference among the three devices is their output. The MAX6333 (push/pull) and MAX6334 (open-drain) have an active-low RESET output, while the MAX6332 (push/pull) has an active-high RESET output. The MAX6332/MAX6333 are guaranteed to be in the cor- rect state for VCC down to 0.7V. The MAX6334 is guaran- teed to be in the correct state for VCC down to 1.0V. The reset comparator in these ICs is designed to ignore fast transients on VCC. Reset thresholds are factory- trimmable between 1.6V and 2.5V, in approximately 100mV increments. There are 15 standard versions available (2,500 piece minimum-order quantity); con- tact the factory for availability of nonstandard versions (10,000 piece minimum-order quantity). For space-criti- cal applications, the MAX6332/MAX6333/MAX6334 come packaged in a 3-pin SOT23. Applications Pentium® II Computers Computers Controllers Intelligent Instruments Critical µP/µC Power Monitoring Portable/Battery-Powered Equipment Automotive Features o Ultra-Low 0.7V Operating Supply Voltage o Low 3.3µA Supply Current o Precision Monitoring of 1.8V and 2.5V Power- Supply Voltages o Reset Thresholds Available from 1.6V to 2.5V, in Approximately 100mV Increments o Fully Specified over Temperature o Three Power-On Reset Pulse Widths Available (1ms min, 20ms min, 100ms min) o Low Cost o Three Available Output Structures: Push/Pull RESET, Push/Pull RESET, Open-Drain RESET o Guaranteed RESET/RESET Valid to VCC = 0.7V (MAX6332/MAX6333) o Power-Supply Transient Immunity o No External Components o 3-Pin SOT23 Package o Pin Compatible with MAX809/MAX810 and MAX6326/MAX6327/MAX6328 3-Pin, Ultra-Low-Voltage, Low-Power µP Reset Circuits 19-1411; Rev 3; 6/12 1 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. Ordering Information * These devices are available in factory-set VCC reset thresh- olds from 1.6V to 2.5V, in approximately 0.1V increments. Choose the desired reset threshold suffix from Table 1 and insert it in the blanks following “UR” in the part number. Factory-programmed reset timeout periods are also available. Insert the number corresponding to the desired nominal reset timeout period (1 = 1ms min, 2 = 20ms min, 3 = 100ms min) in the blank following “D” in the part number. There are 15 stan- dard versions with a required order increment of 2500 pieces. Sample stock is generally held on the standard versions only (see Selector Guide). Contact the factory for availability of non- standard versions (required order increment is 10,000 pieces). All devices available in tape-and-reel only. Devices are available in both leaded and lead-free packaging. Specify lead-free by replacing “-T” with “+T” when ordering. /V denotes an automotive qualified part. Typical Operating Circuit and Pin Configuration appear at end of data sheet. Selector Guide appears at end of data sheet. Pentium is a registered trademark of Intel Corp. PART TEMP RANGE PIN-PACKAGE MAX6332UR__D_-T -40°C to +125°C 3 SOT23 MAX6333UR__D_-T -40°C to +125°C 3 SOT23 MAX6333UR__D_/V-T -40°C to +125°C 3 SOT23 MAX6334UR__D_-T -40°C to +125°C 3 SOT23 |
类似零件编号 - MAX6332 |
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类似说明 - MAX6332 |
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