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参数资料
| 型号： | PT7A7515WEX |
| 厂商： | Pericom |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 2.63V 8SOIC |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 复位： | 低有效 |
| 复位超时： | 最小为 160 ms |
| 电压 - 阀值： | 2.63V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 标准包装 |
| 其它名称： | PT7A7515WEXDKR |
Data Sheet
PT7A7511-15/7521-25/7531-35
μP Supervisor Circuits
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Features
Precision supply-voltage monitor
Description
The PT7A751X/752X/753X family microprocessor
-
-
-
-
4.63V (PT7A7511, 7521, 7531)
4.38V (PT7A7512, 7522, 7532)
3.08V (PT7A7513, 7523, 7533)
2.93V (PT7A7514, 7524, 7534)
( μ P) supervisory circuits are targeted to improve
reliability and accuracy of power-supply circuitry in
μ P’s systems. These devices reduce the complexity and
number of components required to monitor power-
supply and battery functions.
- 2.63V (PT7A7515, 7525, 7535)
200ms reset pulse width
Debounced TTL/CMOS-compatible manual-
reset input
Independent watchdog timer 1.6sec time-out (not
available for PT7A7531 - 7535)
Reset output signal:
- Active-low only (PT7A7511 - 7515)
The main functions are:
1. Asserting reset output during power-up, power-
down and brownout conditions for μ P system.
2. Detecting power failure or low-battery
conditions with a 1.25V threshold detector.
3. Watchdog functions (not for PT7A753x)
Applications
-
-
Active-high only (PT7A7521 - 7525)
Active-high and active-low (PT7A7531 - 7535)
Power-supply circuitry in μ P systems
Voltage monitor for power-fail or low battery
warning
Guaranteed RESET/RESET valid at V CC =1.2V
Ordering Information
Part Number
PT7A751xPE
PT7A752xPE
PT7A753xPE
Package
Lead free DIP-8
Lead free DIP-8
Lead free DIP-8
Part Number
PT7A751xWE
PT7A752xWE
PT7A753xWE
Package
Lead free and Green SOIC-8
Lead free and Green SOIC-8
Lead free and Green SOIC-8
Note: “X” refers to voltage range, see below table.
Suffix: X—Monitored Voltage and Function Comparison
Part No.
PT7A7511
PT7A7521
PT7A7531
PT7A7512
PT7A7522
PT7A7532
PT7A7513
PT7A7523
PT7A7533
PT7A7514
PT7A7524
PT7A7534
PT7A7515
PT7A7525
PT7A7535
Reset
Threshold
4.63V
4.63V
4.63V
4.38V
4.38V
4.38V
3.08V
3.08V
3.08V
2.93V
2.93V
2.93V
2.63V
2.63V
2.63V
Reset Active
Low or High
LOW
HIGH
LOW, HIGH
LOW
HIGH
LOW, HIGH
LOW
HIGH
LOW, HIGH
LOW
HIGH
LOW, HIGH
LOW
HIGH
LOW, HIGH
Nom. Reset
Time (ms), t RS
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
Nom. Watch dog
Time (sec), t WD
1.6
1.6
unavailable
1.6
1.6
unavailable
1.6
1.6
unavailable
1.6
1.6
unavailable
1.6
1.6
unavailable
Power Fail
Comp.
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
1.25V detector
Manual
Reset Input
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
PT0082(10/10)
1
Ver: 7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT7A7516 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:2.32V Reset Active Low Supervisor? |
| PT7A7517 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:2.20V Reset Active Low Supervisor? |
| PT7A7521 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:4.63V Reset Active High Supervisor? |
| PT7A7522 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:4.38V Reset Active High Supervisor? |
| PT7A7523 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:3.08V Reset Active High Supervisor? |
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