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參數(shù)資料
| 型號(hào)： | AS1914TZ-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Dual, Manual Reset Watchdog; Package Type: SOT23-6; Reset Type: Active-High Push/Pull; Supervised Voltages (IN1): 3,08; Supervised Voltages (IN2): 2,31 |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6 |
| 封裝： | SOT23-6 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 435K |
| 代理商： | AS1914TZ-T |
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AS1910 - AS1915
Dual-Voltage Microprocessor Supervisory Circuits with Manual Reset
and Watchdog
1 General Description
Revision 1.031 - 16
Datasheet
The AS1910 - AS1915 mcroprocessor supervisory circuits were
designed to generate a reset when one of the two monitored supply
voltages falls below a factory-trimmed threshold, and to maintain the
reset for a mnimumtimeout period when both supplies are above
their reset thresholds. Guaranteed to be in the correct state for V
CC
higher than +1.0V, these devices are ideal for multiple-voltage
systems with strict monitoring requirements.
The AS1913/AS1914/AS1915 feature factory-trimmed thresholds to
monitor a primary voltage between 1.8 and 3.6V, and a secondary
voltage between 0.9 and 2.5V.
For the AS1910/AS1911/AS1912, a secondary monitoring voltage
can be user-adjusted via an external resistor divider down to 0.6V.
The devices are available with the reset output types listed in
Table
1
.
The AS1910 - AS1915 include a manual-reset input for systems that
never fully power down the mcroprocessor. Additionally, these
devices feature a watchdog timer to help ensure that the processor is
operating within proper code boundaries.
The AS1910 - AS1915 are available in a 6-pin SOT23 package.
Figure 1. Typical Application Diagram
2 Key Features
Primary V
CC
Supervisory Range: +1.8 to +3.6V
Secondary V
CC
Supervisory Range: +0.9 to +2.5V (AS1913/
AS1914/AS1915)
User-Adjustable Threshold Down to +0.63V (AS1910/AS1911/
AS1912)
Guaranteed Reset Valid Down to V
CC
= +1.0V
Reset Timeout Delay: 215ms
Manual Reset Input
Three Reset Output Types:
- Active-High Push/Pull
- Active-Low Push/Pull
- Active-Low Open-Drain
Watchdog Timeout Period: 1.5s
Immune to Fast Negative V
CC
Transients
External Components Not Required
Operating Temperature Range: -40 to +125oC
6-pin SOT23 Package
3 Applications
The devices are ideal for portable and battery-powered systems,
embedded controllers, intelligent instruments, automotive systems,
critical CPU monitoring, and any multi-supply application.
Table 1. Standard Products
Model
Reset Output Type
AS1910/AS1913
Active-Low Push/Pull
AS1911/AS1914
Active-High Push/Pull
AS1912/AS1915
Active-Low Open-Drain
External
Reset
CPU
Core
Supply
I/O Supply
V
CC
V
CC2
GND
RESETN
I/O
4
WDI
6
VCC
3
MRN
GND 2
1
RESETN
5
VCC2
AS1913/
AS1915
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1915TZ-T | Dual, Manual Reset Watchdog; Package Type: SOT23-6; Reset Type: Active-Low Open Drain; Supervised Voltages (IN1): 3,08; Supervised Voltages (IN2): 2,31 |
| AS1918Z-T | Supervisory Man Reset Watchdog; Package Type: SOT23-5; Reset Type: Active-Low Open Drain; Supervised Voltages (IN1): 2,32 |
| AS1916R-T | Supervisory Man Reset Watchdog; Package Type: SOT23-5; Reset Type: Push/Pull Active-Low; Supervised Voltages (IN1): 2,63 |
| AS1916S-T | Supervisory Man Reset Watchdog; Package Type: SOT23-5; Reset Type: Push/Pull Active-Low; Supervised Voltages (IN1): 2,93 |
| AS1916Z-T | Supervisory Man Reset Watchdog; Package Type: SOT23-5; Reset Type: Push/Pull Active-Low; Supervised Voltages (IN1): 2,32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1914VD-T | 功能描述:IC SUPERVISOR ACT HIGH SOT23-6 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱(chēng):NCP301HSN18T1GOSCT |
| AS1915 | 制造商:AMSCO 制造商全稱(chēng):austriamicrosystems AG 功能描述:Dual-Voltage Microprocessor Supervisory Circuits with Reset and Watchdog |
| AS1915SF-T | 功能描述:IC SUPERVISOR ACT LOW SOT23-6 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱(chēng):NCP301HSN18T1GOSCT |
| AS1915TZT | 制造商:AMS 功能描述:Pb Free |
| AS1915TZ-T | 功能描述:IC SUPERVISOR ACT LOW SOT23-6 RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱(chēng):NCP301HSN18T1GOSCT |
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