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參數(shù)資料
| 型號： | MAX708T |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | +3V Voltage Monitoring.Low-Cost.µ.P Supervisory Circuits |
| 中文描述： | 監(jiān)視+3V電壓、低成本、微處理器監(jiān)控電路 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 84K |
| 代理商： | MAX708T |
Semiconductor Components Industries, LLC, 2001
November, 2001 – Rev. 1
1
Publication Order Number:
MAX707/D
MAX707, MAX708
P Supervisory Circuits
The MAX707/708 are cost–effective system supervisor circuits
designed to monitor Vcc in digital systems and provide a reset signal
to the host processor when necessary. No external components are
required.
The reset output is driven active within 20 sec of Vcc falling
through the reset voltage threshold. Reset is maintained with 200 mS
of delay time after Vcc rise above the reset threshold. The
MAX707/708 have a low quiescent current of 12
active–high RESET and active–low RESET with a push–pull output.
The output is guaranteed valid down to Vcc = 1.0 V. The
MAX707/708 have a Manual Reset MR input and a +1.25 V threshold
detector for power–fail input PFI. These devices are available in a
Micro8 and SOIC–8 package.
Features
Precision Supply–Voltage Monitor
MAX707: 4.63 V Reset Threshold Voltage
MAX708: Standard Reset Threshold Voltages (Typical):
4.38 V, 3.08 V, 2.93 V, 2.63 V
Reset Threshold Available from 1.6 V to 4.9 V with 100 mV
Increments (Factory Option)
200 mS (Typ) Reset Timeout Delay
12 A (Vcc = 3.3 V) Quiescent Current
Active_High and Active_Low Reset Output
Guaranteed RESET_L and RESET Output Valid to Vcc = 1.0 V
Voltage Monitor for Power–Fail or Low–Battery Warning
8 Pin SO or Micro8 Package
Applications
Computers
Embedded System
Battery Powered Equipment
Critical P Power Supply Monitor
at Vcc = 3.3 V, an
Figure 1. Representative Block Diagram
–
+
–
+
RESET
GENERATOR
RESET
RESET
PFO
MR
PFI
V
CC
V
CC
1.25 V
GND
V
TH
http://onsemi.com
PIN CONFIGURATION
1
RESET
8 NC
2
RESET
3
MR
4
VCC
7 PFO
6 PFI
5 GND
(Top View)
Micro8
Micro8
CUA SUFFIX
CASE 846A
1
8
SO–8
ESA SUFFIX
CASE 751
1
8
1
MR
8 RESET
2
VCC
3
GND
4
PFI
7 RESET
6 NC
5 PFO
(Top View)
SO–8
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
xxxxx
ALYW
1
8
xxx
RYW
1
8
MARKING
DIAGRAMS
xxx
R
YW
= Specific Device Code (see page 9)
= Factory Code
= Date Code
xxxxx = Specific Date Code (see page 9)
AL
= Assembly Lot Code
YW
= Date Code
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX708TC/D | 功能描述:監(jiān)控電路 DICE SALES DICE RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX708TCPA | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX708TCPA+ | 功能描述:監(jiān)控電路 Single uPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX708TCSA | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX708TCSA+ | 功能描述:監(jiān)控電路 Single uPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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