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| 型号： | MAX6422US30+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC MPU/RESET CIRC 3.00V SOT143-4 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 3V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143-4 |
| 包装： | 带卷 (TR) |
19-2440; Rev 4; 12/05
Low-Power, SC70/SOT μP Reset Circuits with
Capacitor-Adjustable Reset Timeout Delay
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.
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,
Portable Equipment
Applications
S807/S808/S809, and RN5VD
? MAX6426 Pin Compatible with PST92XX
Battery-Powered Computers/Controllers
Automotive
Ordering Information
Medical Equipment
Intelligent Instruments
Embedded Controllers
Critical μP Monitoring
Set-Top Boxes
Computers
Typical Operating Circuit appears at end of data sheet.
Pin Configurations
PART
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
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
Note: The MAX6340/MAX6421–MAX6426 are available with fac-
TOP VIEW
tory-trimmed reset thresholds from 1.575V to 5.0V in approxi-
mately 0.1V increments. Insert the desired nominal reset
V CC 1
MAX6421X
MAX6422X
4
RESET
(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
GND 2
MAX6423X
3
SRT
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.
SC70
( ) ARE FOR THE MAX6422
Pin Configurations continued at end of data sheet.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing "-T" with "+T" when ordering.
Selector Guide appears at end of data sheet.
________________________________________________________________ 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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6422US31 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER SC70/SOT MICROPROCESSOR - Rail/Tube |
| MAX6422US31+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.075V 2.5UA 4PIN SOT-143 - Cut Tape Product |
| MAX6422US31+T | 功能描述:监控电路 Single uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6422US31-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6422US32 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER SC70/SOT MICROPROCESSOR - Rail/Tube |
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