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| 型号： | MAX7705CSA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPPLY MON 8-SOIC |
| 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： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.65V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
19-0151; Rev 0; 6/93
μP Power-Supply Monitor
with Reset
_______________General Description
In applications with microprocessors (μPs) that have a
RESET input, the MAX7705 is functionally and socket
compatible with the TL7705, but requires no external
components. It provides power-supply glitch immunity
and a guaranteed power-up reset delay, while typically
consuming 1/27 th the power from a +5V supply.
The MAX7705 monitors the power supply in μP and digital
systems. The RESET output is valid for V CC down to 1V.
The device offers excellent circuit reliability and low cost
by eliminating external components and adjustments.
A system reset is provided during power-up, power-
down, and brownout conditions. When V CC is below the
reset threshold, RESET is low and holds the μP in reset.
RESET will go high 280ms after V CC rises above the
reset threshold. The MAX7705 is available in 8-pin DIP
____________________________Features
o No External Components
o Low Cost
o Precise Reset Threshold
o 280ms Power-On Reset Delay
o 8-Pin DIP and SO Packages
______________Ordering Information
and SO packages.
PART
TEMP. RANGE
PIN-PACKAGE
FEATURE
No. of External
Components Required
MAX7705
0
TL7705
3
MAX7705CPA
MAX7705CSA
MAX7705C/D
0°C to +70°C
0°C to +70°C
0°C to +70°C
8 Plastic DIP
8 SO
Dice*
Operating Supply
Current
+5V
+3V
65μA
35μA
1.8mA
1.8mA
MAX7705EPA
MAX7705ESA
-40°C to +85°C
-40°C to +85°C
8 Plastic DIP
8 SO
Power-Supply Glitch
Immunity
Guaranteed Minimum
Reset Delay
Yes
Yes
No
No
* Contact factory for dice specifications.
________________________Applications
Minimum Component Count, Low-Cost
Processor Systems
__________Typical Operating Circuit
__________________Pin Configuration
VCC
TOP VIEW
MAX7705
*
1
2
N.C.
N.C.
V CC 8
N.C. 7
*
μ P
N.C. 1
8
V CC
*
3
4
N.C.
GND
N.C. 6
RESET 5
RESET
N.C . 2
N.C. 3
GND 4
MAX7705
7
6
5
N.C.
N.C.
RESET
GND
DIP/SO
* THE MAX7705 ELIMINATES THREE EXTERNAL
COMPONENTS REQUIRED BY THE TL7705.
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7705CWA | 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 |
| MAX7705EPA | 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 |
| MAX7705EPA+ | 功能描述:监控电路 uPower P-Supply Monitor 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 |
| MAX7705ESA | 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 |
| MAX7705ESA+ | 功能描述:监控电路 uPower P-Supply Monitor 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 |
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