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| 型号： | MAX801LCPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.675V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
19-1086; Rev 1; 11/05
8-Pin μP Supervisory Circuits
with ±1.5% Reset Accuracy
_______________General Description
The MAX801/MAX808 microprocessor (μP) supervisory
circuits monitor and control the activities of +5V μPs by
providing backup-battery switchover, low-line indica-
tion, and μP reset. Additional features include a watch-
dog for the MAX801 and CMOS RAM write protection
for the MAX808.
The MAX801/MAX808 offer a choice of reset-threshold
voltage (denoted by suffix letter): 4.675V (L), 4.575V
(N), and 4.425V (M). These devices are available in
8-pin DIP and SO packages.
________________________Applications
Computers
Controllers
Intelligent Instruments
Critical μP Power Monitoring
Portable/Battery-Powered Equipment
Embedded Systems
____________________________Features
? Precision Voltage Monitoring, ±1.5% Reset
Accuracy
? 200ms Power-OK/Reset Time Delay
? RESET Output (MAX808)
RESET and RESET Outputs (MAX801)
? Watchdog Timer (MAX801)
? On-Board Gating of Chip-Enable Signals (MAX808):
Memory Write-Cycle Completion
3ns CE Gate Propagation Delay
? 1μA Standby Current
? Power Switching:
250mA in V CC Mode
20mA in Battery-Backup Mode
? MaxCap?/SuperCap? Compatible
? RESET Guaranteed Valid to V CC = 1V
? Low-Line Threshold 52mV Above Reset
Threshold
MaxCap is a trademark of The Carborundum Corp.
SuperCap is a trademark of Baknor Industries.
______________Ordering Information
PART*
TEMP RANGE
PIN-PACKAGE
Pin Configurations appear at end of data sheet.
__________Typical Operating Circuit
+5V
MAX801 _CPA
MAX801_CSA
MAX801_EPA
MAX801_ESA
MAX801_MJA
MAX808 _CPA
MAX808_CSA
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
8 CERDIP**
8 Plastic DIP
8 SO
0.1 μ F
0.1 μ F
MAX808_EPA
MAX808_ESA
MAX808_MJA
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
8 Plastic DIP
8 SO
8 CERDIP**
V CC
BATT
OUT
LOWLINE
POWER FOR
CMOS RAM
NMI
μ P
POWER
* These parts offer a choice of reset threshold voltage. From the
table below, select the suffix corresponding to the desired thresh-
old and insert it into the blank to complete the part number.
** Contact factory for availability and processing to MIL-STD-883.
0.1 μ F
Devices in PDIP, SO and μMAX packages are available in both
RESET
RESET
leaded and lead-free packaging. Specify lead free by adding the
MAX808
μP SYSTEM
+ symbol at the end of the part number when ordering. Lead free
not available for CERDIP package.
GND
CE IN
CE OUT
FROM I/O SYSTEM OR
ADDRESS DECODER
TO CMOS RAM
SUFFIX
L
N
M
MIN
4.60
4.50
4.35
RESET THRESHOLD (V)
TYP
4.675
4.575
4.425
MAX
4.75
4.65
4.50
________________________________________________________________ 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 |
|---|---|
| MAX801LCPA+ | 功能描述:监控电路 8-Pim uPower Supervisor 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 |
| MAX801LCSA | 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 |
| MAX801LCSA+ | 功能描述:监控电路 8-Pim uPower Supervisor 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 |
| MAX801LCSA+T | 功能描述:监控电路 8-Pim uPower Supervisor 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 |
| MAX801LCSA-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 |
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