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MAX6336US18D3-T 参数 Datasheet PDF下载

MAX6336US18D3-T图片预览
型号: MAX6336US18D3-T
PDF下载: 下载PDF文件 查看货源
内容描述: 4引脚,超低电压,低功耗レP复位电路,带有手动复位 [4-Pin, Ultra-Low-Voltage, Low-Power レP Reset Circuits with Manual Reset]
分类和应用: 电源电路电源管理电路复位电路光电二极管
文件页数/大小: 8 页 / 109 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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19-1412; Rev 0; 12/98
4-Pin, Ultra-Low-Voltage, Low-Power
µP Reset Circuits with Manual Reset
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 V
CC
supply voltage declines
below a preset threshold or whenever manual reset is
asserted. Reset remains asserted for a preset timeout
period after V
CC
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 V
CC
down
to 0.7V. The MAX6337 is guaranteed to be in the cor-
rect state for V
CC
down to 1.0V.
The reset comparator in these ICs is designed to ignore
fast transients on V
CC
. 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.
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 V
CC
= 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
Features
o
Ultra-Low 0.7V Operating Supply Voltage
MAX6335/MAX6336/MAX6337
Applications
Pentium II™ Computers
Computers
Controllers
Intelligent Instruments
Critical µP/µC Power Monitoring
Portable/Battery-Powered Equipment
Automotive
PART*
MAX6335US__D_-T
MAX6336US__D_-T
MAX6337US__D_-T
Ordering Information
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
4 SOT143
4 SOT143
4 SOT143
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.
*
These devices are available in factory-set V
CC
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.
________________________________________________________________
Maxim Integrated Products
1
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.