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MAX820REPE中文资料PDF规格书
MAX820REPE规格书详情
General Description
The MAX792/MAX820 microprocessor (µP) supervisory circuits provide the most functions for power-supply and watchdog monitoring in systems without battery backup. Built-in features include the following:
• µP reset: Assertion of RESET and RESET outputs during
power-up, power-down, and brownout conditions.
RESET is guaranteed valid for VCC down to 1V.
• Manual-reset input.
• Two-stage power-fail warning: A separate low-line
comparator compares VCC to a preset threshold
120mV above the reset threshold; the low-line and
reset thresholds can be programmed externally.
• Watchdog fault output: Assertion of WDO if the watchdog
input is not toggled within a preset timeout
period.
• Pulsed watchdog output: Advance warning of
impending WDO assertion from watchdog timeout that
causes hardware shutdown.
• Write protection of CMOS RAM, EEPROM, or other
memory devices.
The MAX792 and MAX820 are identical, except the MAX820 guarantees higher low-line and reset threshold accuracy (±2).
Features
♦ Manual-Reset Input
♦ 200ms Power-OK/Reset Time Delay
♦ Independent Watchdog Timer—Preset or Adjustable
♦ On-Board Gating of Chip-Enable Signals
♦ Memory Write-Cycle Completion
♦ 10ns (max) Chip-Enable Gate Propagation Delay
♦ Voltage Monitor for Overvoltage Warning
♦ ±2 Reset and Low-Line Threshold Accuracy
(MAX820, external programming mode)
Applications
Computers
Controllers
Intelligent Instruments
Critical µP Power Monitoring
产品属性
- 型号:
MAX820REPE
- 功能描述:
监控电路
- RoHS:
否
- 制造商:
STMicroelectronics
- 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
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAX |
2305+ |
原厂封装 |
12500 |
15年芯片行业经验/只供原装正品:0755-83267371邹小姐 |
询价 | ||
Maxim |
23+ |
16SOIC |
9000 |
原装正品,支持实单 |
询价 | ||
MAXIM |
23+ |
SMD |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAXIM |
23+ |
SMD |
6500 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
MAXIM |
22+ |
2250 |
100%全新原装公司现货供应!随时可发货 |
询价 | |||
MAXIM-美信 |
24+25+/26+27+ |
SOP-16 |
2368 |
一一有问必回一特殊渠道一有长期订货一备货HK仓库 |
询价 | ||
100 |
本站现库存 |
询价 | |||||
MaximIntegrated |
23+ |
16-SOIC |
66800 |
原装正品现货 |
询价 | ||
Maxim |
22+ |
16SOIC |
9000 |
原厂渠道,现货配单 |
询价 | ||
Maxim |
23+ |
16-SOIC |
28500 |
授权代理直销,原厂原装现货,假一罚十,特价销售 |
询价 |