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| 型号： | MAX6314US45D3+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC RESET CIRCUIT 4.50V SOT143-4 |
| 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： | 双向 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-253-4，TO-253AA |
| 供应商设备封装： | SOT-143-4 |
| 包装： | 带卷 (TR) |
19-1090; Rev 2; 12/05
68HC11/Bidirectional-Compatible
μP Reset Circuit
General Description
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 programmed
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
Features
? Small SOT143 Package
? RESET Output Simplifies Interface to
Bidirectional Reset I/Os
? Precision Factory-Set V CC Reset Thresholds:
100mV Increments from 2.5V to 5V
? ±1.8% Reset Threshold Accuracy at T A = +25°C
? ±2.5% Reset Threshold Accuracy Over Temp.
? Four Reset Timeout Periods Available:
1ms, 20ms, 140ms, or 1120ms (minimum)
? Immune to Short V CC Transients
? 5μA Supply Current
? Pin-Compatible with MAX811
Ordering Information
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.
________________________Applications
Computers
PART ?
MAX6314US50D1-T
MAX6314US49D1-T
MAX6314US48D1-T
MAX6314US47D1-T
MAX6314US46D1-T
MAX6314US45D1-T
NOMINAL
V TH (V)
5.00
4.90
4.80
4.70
4.63
4.50
MIN t RP
(ms)
1
1
1
1
1
1
TOP
MARK ??
AA_ _
AB_ _
AC_ _
AD_ _
AE_ _
AF_ _
Controllers
Intelligent Instruments
Critical μP and μC Power Monitoring
Portable/Battery-Powered Equipment
Typical Operating Circuit
V CC
? The MAX6314 is available in a SOT143 package, -40°C to
+85°C temperature range.
?? The first two letters in the package top mark identify the part,
while the remaining two letters are the lot tracking code.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
V CC
LASER-
TRIMMED
RESISTORS
V CC
68HC11**
Ordering Information continued at end of data sheet.
Pin Configuration
TOP VIEW
μ P
GND
1
4
V CC
4.7k ?
MR
RESET
CIRCUITRY
RESET
RESET
MAX6314
MAX6314
GND
RESET
2
3
MR
SOT143
**OR OTHER μ C/ μ P WITH BIDIRECTIONAL RESET I/O PIN.
________________________________________________________________ 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 |
|---|---|
| MAX6314US45D4 | 制造商:Maxim Integrated Products 功能描述:68HC11/BIDIRECTIONAL-COMPATIBLE UP - Rail/Tube |
| MAX6314US45D4+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.5V 5UA 4PIN SOT-143 - Rail/Tube |
| MAX6314US45D4+T | 功能描述:监控电路 68HC11/Bidirectional Compatible uP Reset 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 |
| MAX6314US45D4-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 |
| MAX6314US46D1 | 制造商:Maxim Integrated Products 功能描述:68HC11/BIDIRECTIONAL-COMPATIBLE UP - Cut Tape Product |
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