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參數資料
| 型號： | MAX6314US49D1-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | CURRENT LIMITR INRSH 2.5 OHM 20% |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-143, 4 PIN |
| 文件頁數： | 1/8頁 |
| 文件大小： | 114K |
| 代理商： | MAX6314US49D1-T |
General Desc ription
The MAX6314 low-power CMOS microprocessor (μP)
supervisory circuit is designed to monitor power
supplies in μP and digital systems. The MAX6314’s
RESET
output is bidirectional, allowing it to be directly
connected to μPs with bidirectional reset inputs, such
as the 68HC11. It provides excellent circuit reliability
and low cost by eliminating external components and
adjustments. The MAX6314 also provides a debounced
manual reset input.
This device performs a single function: it asserts a reset
signal whenever the V
CC
supply voltage falls below a
preset threshold or whenever manual reset is
asserted. Reset remains asserted for an internally pro-
grammed interval (reset timeout period) after V
CC
has
risen above the reset threshold or manual reset is
deasserted.
The MAX6314 comes with factory-trimmed reset
threshold voltages in 100mV increments from 2.5V
to 5V. Preset timeout periods of 1ms, 20ms, 140ms,
and 1120ms (minimum) are also available. The device
comes in a SOT143 package.
For a μP supervisor with an open-drain reset pin, see
the MAX6315 data sheet.
________________________Applic ations
Computers
Controllers
Intelligent Instruments
Critical μP and μC Power Monitoring
Portable/Battery-Powered Equipment
Features
o
Small SOT143 Package
o
RESET
Output Simplifies Interface to
Bidirectional Reset I/Os
o
Precision Factory-Set V
CC
Reset Thresholds:
100mV Increments from 2.5V to 5V
o
±1.8% Reset Threshold Accuracy at T
A
= +25°C
o
±2.5% Reset Threshold Accuracy Over Temp.
o
Four Reset Timeout Periods Available:
1ms, 20ms, 140ms, or 1120ms (minimum)
o
Immune to Short V
CC
Transients
o
5μA Supply Current
o
Pin-Compatible with MAX811
M
68HC11/Bidirec tional-Compatible
μP Reset Circ uit
________________________________________________________________ Maxim Integrated Products
1
1
2
4
3
V
CC
MR
RESET
GND
MAX6314
SOT143
TOP VIEW
Pin Configuration
MAX6314
V
CC
V
CC
GND
RESET
μP
RESET
MR
LASER-
TRIMMED
RESISTORS
V
CC
4.7k
68HC11**
**OR OTHER μC/μP WITH BIDIRECTIONAL RESET I/OPIN.
RESET
CIRCUITRY
Typic al Operating Circ uit
19-1090; Rev 1; 1/99
Ordering and Marking Information appears at end of
data sheet.
*Patents Pending
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6314US49D2 | 制造商:Maxim Integrated Products 功能描述:68HC11/BIDIRECTIONAL-COMPATIBLE UP - Rail/Tube |
| MAX6314US49D2+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.9V 5UA 4PIN SOT-143 - Rail/Tube |
| MAX6314US49D2+T | 功能描述:監控電路 68HC11/Bidirectional Compatible uP Reset RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6314US49D2T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Microprocessor |
| MAX6314US49D2-T | 功能描述:監控電路 RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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