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參數資料
| 型號： | MAX6303 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| 中文描述： | +5V、低功耗、微處理器監控電路，帶有可調節的復位/看門狗定時器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 102K |
| 代理商： | MAX6303 |
_______________General Desc ription
The MAX6301/MAX6302/MAX6303/MAX6304* low-
power microprocessor (μP) supervisory circuits provide
maximum adjustability for reset and watchdog functions.
The reset threshold can be adjusted to any voltage
above 1.22V, using external resistors. In addition, the
reset and watchdog timeout periods are adjustable
using external capacitors. A watchdog select pin
extends the watchdog timeout period to 500x. The reset
function features immunity to power-supply transients.
These four devices differ only in the structure of their reset
outputs (see Selector Guide). The MAX6301–MAX6304
are available in the space-saving 8-pin μMAX package,
as well as 8-pin DIP/SO.
________________________Applic ations
Medical Equipment
Embedded Controllers
Intelligent Instruments
Critical μP Monitoring
Portable Equipment
Set-Top Boxes
Battery-Powered
Computers
Computers/Controllers
____________________________Features
o
Adjustable Reset Threshold
o
Adjustable Reset Timeout
o
Adjustable Watchdog Timeout
o
500x Watchdog Timeout Multiplier
o
4μA Supply Current
o
RESET or
RESET
Output Options
o
Push/Pull or Open-Drain Output Options
o
Guaranteed
RESET
Asserted At or Above
V
CC
= 1V (MAX6301/MAX6303)
o
Power-Supply Transient Immunity
o
Watchdog Function Can Be Disabled
o
DIP/SO/μMAX Packages Available
M
+5V, Low-Power μP S upervisory Circ uits
with Adjustable Reset/Watc hdog
________________________________________________________________ Maxim Integrated Products
1
0.1μF
MAX6301
MAX6302
MAX6303
MAX6304
V
CC
RESET IN
V
IN
C
SWT
C
SRT
SRT
GND
SWT
WDI
WDS
RESET
μP
I/O
RESET
(RESET)
R2
R1
R
L
R
L
MAX6301
ONLY
MAX6302
ONLY
8
7
6
5
1
2
3
4
WDS = 0 FOR NORMAL MODE
WDI = 1 FOR EXTENDED MODE
( ) ARE FOR MAX6302/MAX6304.
__________________Pin Configuration
1
2
8
7
V
CC
RESET (RESET)
WDI
WDS
RESET IN
GND
SRT
SWT
MAX6301
MAX6302
MAX6303
MAX6304
DIP/SO/
μ
MAX
TOP VIEW
3
4
6
5
( ) ARE FOR MAX6302/MAX6304.
__________Typic al Operating Circ uit
19-1078; Rev 0; 6/96
PART
MAX6301
CPA
MAX6301CSA
MAX6301CUA
MAX6301EPA
MAX6301ESA
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
8 μMAX
8 Plastic DIP
8 SO
______________Ordering Information
Ordering Information continued at end of data sheet.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
-40°C to +85°C
_____________________S elec tor Guide
FEATURE
Active-Low
Reset
Active-High
Reset
Open-Drain
Reset Output
Push/Pull
Reset Output
MAX6301 MAX6302 MAX6303 MAX6304
—
—
—
—
—
—
—
—
Pins-Package
8-DIP/SO/
μMAX
8-DIP/SO/
μMAX
8-DIP/SO/
μMAX
8-DIP/SO/
μMAX
*Patents pending
相關PDF資料 |
PDF描述 |
|---|---|
| MAX6304 | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6301CUA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6302CUA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6302CPA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6302CSA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6303CPA | 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 |
| MAX6303CPA+ | 功能描述:監控電路 5V uPower Supervisor 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 |
| MAX6303CSA | 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 |
| MAX6303CSA+ | 功能描述:監控電路 5V uPower Supervisor 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 |
| MAX6303CSA+T | 功能描述:監控電路 5V uPower Supervisor 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 |
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