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MAX820LCPE中文资料PDF规格书
MAX820LCPE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
- 产品编号:
MAX820LCPE+
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > 监控器
- 包装:
带
- 描述:
IC SUPERVISOR MPU 16-DIP
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM/美信 |
23+ |
NA/ |
3267 |
原装现货,当天可交货,原型号开票 |
询价 | ||
MAXIM(美信) |
23+ |
6000 |
诚信服务,绝对原装原盘 |
询价 | |||
MAXIM |
DIP16 |
899933 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MAXIM |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
MAXIM |
23+ |
SMD |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAX |
98 |
14 |
公司优势库存 热卖中!! |
询价 | |||
MAXIM/美信 |
DIP |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
MAXIM-美信 |
24+25+/26+27+ |
DIP-16 |
6328 |
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 | ||
MAXIM |
19+ |
DIP |
256800 |
原厂代理渠道,每一颗芯片都可追溯原厂; |
询价 | ||
MAXIM |
22+ |
DIP |
8200 |
原装现货库存.价格优势!! |
询价 |