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MAX6332 数据表(PDF) 1 Page - Maxim Integrated Products

部件名 MAX6332
功能描述  3-Pin, Ultra-Low-Voltage, Low-Power μP Reset Circuits
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX6332 数据表(HTML) 1 Page - Maxim Integrated Products

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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


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