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MAX6337US16D3-T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX6337US16D3-T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. General Description The MAX6335/MAX6336/MAX6337 microprocessor (µP) supervisory circuits monitor the power supplies in 1.8V to 3.3V µP and digital systems. They increase circuit reli- ability and reduce cost by eliminating external compo- nents and adjustments. They also feature a debounced manual-reset input. These devices perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold or whenever manual reset is asserted. Reset remains asserted for a preset timeout period after VCC has risen above the reset threshold or after manual reset is deasserted. The only difference among the three devices is their output. The MAX6336 (push/pull) and MAX6337 (open-drain) have an active- low RESET output, while the MAX6335 (push/pull) has an active-high RESET output. The MAX6335/MAX6336 are guaranteed to be in the correct state for VCC down to 0.7V. The MAX6337 is guaranteed to be in the cor- rect 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 (2500 piece minimum-order quantity); contact the factory for availability of nonstandard versions (10,000 piece minimum-order quantity). For space-criti- cal applications, the MAX6335/MAX6336/MAX6337 come packaged in a 4-pin SOT143. 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 Debounced Manual Reset 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 (MAX6335/MAX6336) o Power-Supply Transient Immunity o No External Components o 4-Pin SOT143 Package o Pin-Compatible with MAX811/MAX812 and MAX6314/MAX6315 4-Pin, Ultra-Low-Voltage, Low-Power µP Reset Circuits with Manual Reset ________________________________________________________________ Maxim Integrated Products 1 19-1412; Rev 0; 12/98 PART* MAX6335US__D_-T MAX6336US__D_-T MAX6337US__D_-T -40°C to +85°C -40°C to +85°C -40°C to +85°C TEMP. RANGE PIN-PACKAGE 4 SOT143 4 SOT143 4 SOT143 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 “US” 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. Typical Operating Circuit and Pin Configuration appear at end of data sheet. Selector Guide appears at end of data sheet. Pentium II is a trademark of Intel Corp. |
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