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參數(shù)資料
| 型號(hào)： | MAX6426UK__-T |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Power, SC70/SOT レP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| 中文描述： | 低功耗，SC70/SOTレP復(fù)位電路，帶有電容可調(diào)的復(fù)位延遲時(shí)間 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大小： | 263K |
| 代理商： | MAX6426UK__-T |
General Description
The MAX6340/MAX6421–MAX6426 low-power micro-
processor supervisor circuits monitor system voltages
from 1.6V to 5V. These devices perform a single function:
they assert a reset signal whenever the V
CC
supply volt-
age falls below its reset threshold. The reset output
remains asserted for the reset timeout period after V
CC
rises above the reset threshold. The reset timeout is exter-
nally set by a capacitor to provide more flexibility.
The MAX6421/MAX6424 have an active-low, push-
pull reset output. The MAX6422 has an active-high,
push-pull reset output and the MAX6340/MAX6423/
MAX6425/MAX6426 have an active-low, open-drain
reset output. The MAX6421/MAX6422/MAX6423 are
offered in 4-pin SC70 or SOT143 packages. The
MAX6340/MAX6424/MAX6425/MAX6426 are available
in 5-pin SOT23-5 packages.
Applications
Portable Equipment
Battery-Powered Computers/Controllers
Automotive
Medical Equipment
Intelligent Instruments
Embedded Controllers
Critical μP Monitoring
Set-Top Boxes
Computers
Features
Monitor System Voltages from 1.6V to 5V
Capacitor-Adjustable Reset Timeout Period
Low Quiescent Current (1.6μA typ)
Three RESET Output Options
Push-Pull
RESET
Push-Pull RESET
Open-Drain
RESET
Guaranteed Reset Valid to V
CC
= 1V
Immune to Short V
CC
Transients
Small 4-Pin SC70, 4-Pin SOT143, and 5-Pin SOT23
Packages
MAX6340 Pin Compatible with LP3470
MAX6424/MAX6425 Pin Compatible with
NCP300–NCP303, MC33464/MC33465,
S807/S808/S809, and RN5VD
MAX6426 Pin Compatible with PST92XX
M
Low-Power, SC70/SOT μP Reset Circuits with
Capacitor-Adjustable Reset Timeout Delay
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
GND
( ) ARE FOR THE MAX6422
V
CC
1
4
SRT
MAX6421X
MAX6422X
MAX6423X
SC70
TOP VIEW
2
3
RESET
(RESET)
Pin Configurations
19-2440; Rev 4; 12/05
Selector Guide appears at end of data sheet.
PART
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
5 SOT23-5
4 SC70-4
4 SOT143-4
4 SC70-4
4 SOT143-4
4 SC70-4
4 SOT143-4
5 SOT23-5
5 SOT23-5
5 SOT23-5
MAX6340
UK_ _-T
MAX6421
XS_ _-T
MAX6421US_ _-T
MAX6422
XS_ _-T
MAX6422US_ _-T
MAX6423
XS_ _-T
MAX6423US_ _-T
MAX6424
UK_ _-T
MAX6425
UK_ _-T
MAX6426
UK_ _-T
Note:
The MAX6340/MAX6421–MAX6426 are available with fac-
tory-trimmed reset thresholds from 1.575V to 5.0V in approxi-
mately 0.1V increments. Insert the desired nominal reset
threshold suffix (from Table 1) into the blanks. There are 50 stan-
dard versions with a required order increment of 2500 pieces.
Sample stock is generally held on standard versions only (see
Standard Versions Table). Required order increment is 10,000
pieces for nonstandard versions. Contact factory for availability.
All devices are 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.
Pin Configurations continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
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