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參數資料
| 型號： | MAX6420 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| 中文描述： | 低功耗、單/雙電壓、微處理器復位電路，帶有電容可調的復位超時周期 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 190K |
| 代理商： | MAX6420 |
General Description
The MAX6412–MAX6420 low-power microprocessor
supervisor circuits monitor system voltages from 1.6V to
5V. These devices are designed to assert a reset signal
whenever the V
CC
supply voltage or RESET IN falls below
its reset threshold or the manual reset input is asserted.
The reset output remains asserted for the reset timeout
period after V
CC
and RESET IN rise above the reset
threshold and the manual reset input is deasserted. The
reset timeout is externally set by a capacitor to provide
more flexibility.
The MAX6412/MAX6413/MAX6414 feature fixed thresholds
from 1.575V to 5V in approximately 100mV increments and
a manual reset input. The MAX6415/MAX6416/MAX6417
are offered with an adjustable reset input that can monitor
voltages down to 1.26V and the MAX6418/MAX6419/
MAX6420 are offered with one fixed input and one
adjustable input to monitor dual-voltage systems.
The MAX6412/MAX6415/MAX6418 have an active-low,
push-pull reset output. The MAX6413/MAX6416/
MAX6419 have an active-high, push-pull reset output
and the MAX6414/MAX6417/MAX6420 have an active-
low, open-drain reset output. All of these devices are
offered in a SOT23-5 package and are fully specified
from -40°C to +125°C.
Applications
Automotive
Medical Equipment
Intelligent Instruments
Portable Equipment
Battery-Powered Computers/Controllers
Embedded Controllers
Critical μP Monitoring
Set-Top Boxes
Computers
Features
o
Monitor System Voltages from 1.6V to 5V
o
Capacitor-Adjustable Reset Timeout Period
o
Manual Reset Input (MAX6412/MAX6413/MAX6414)
o
Adjustable Reset Input Option
(MAX6415–MAX6420)
o
Dual-Voltage Monitoring
(MAX6418/MAX6419/MAX6420)
o
Low Quiescent Current (1.7μA, typ)
o
3 RESET Output Options
Push-Pull
RESET
Push-Pull RESET
Open-Drain
RESET
o
Guaranteed Reset Valid to V
CC
= 1V
o
Power-Supply Transient Immunity
o
Small SOT23-5 Packages
M
Low-Power, Single/Dual-Voltage 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
SRT
1
5
V
CC
MAX6412–
MAX6420
SOT23-5
TOP VIEW
2
3
4
RESET/RESET
RESET IN (MR)
( ) FOR THE MAX6412/MAX6413/MAX6414.
Pin Configuration
19-2336; Rev 1; 8/03
Typical Operating Circuit appears at end of data sheet.
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
PIN-PACKAGE
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
MAX6412
UK_ _-T
MAX6413
UK_ _-T
MAX6414
UK_ _-T
MAX6415
UK-T
MAX6416
UK-T
MAX6417
UK-T
MAX6418
UK_ _-T
MAX6419
UK_ _-T
MAX6420
UK_ _-T
Note:
The MAX6412/MAX6413/MAX6414 and MAX6418/
MAX6419/MAX6420 are available with factory-set V
CC
reset
thresholds from 1.575V to 5.0V in approximately 0.1V incre-
ments. Insert the desired nominal reset threshold suffix (from
Table 1) into the blanks following the letters UK. There are 33
standard 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.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX6413UK29-T | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| MAX6414UK16-T | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| MAX6414UK22-T | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| MAX6414UK26-T | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
| MAX6414UK29-T | Low-Power, Single/Dual-Voltage uP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6420UK16 | 制造商:Maxim Integrated Products 功能描述:LOW-PWR SNGL/DUAL-VLTAGE MICROPROC - Rail/Tube |
| MAX6420UK16+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 1.575V/ADJV 2.7UA 5PIN SOT-23 - Rail/Tube |
| MAX6420UK16+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6420UK16-T | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6420UK17 | 制造商:Maxim Integrated Products 功能描述:LOW-PWR SNGL/DUAL-VLTAGE MICROPROC - Cut Tape Product |
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