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參數(shù)資料
| 型號： | AS1907C18-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Low-Volt. Active-Low Push/Pull; Package Type: SOT23-3; Reset Type: Push/Pull Active-Low; Timeout Period: 100,00; Supervised Voltages (IN1): 1,80 |
| 中文描述： | 低電壓微處理器復(fù)位電路 |
| 封裝： | SOT23-3 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 116K |
| 代理商： | AS1907C18-T |
AS1907, AS1908, AS1909
Low-Voltage Microprocessor Reset Circuits
wwwams.com/Supervisors/AS1907-09
Revision 1.8
1 - 10
1 General Description
The AS1907/AS1908/AS1909 mcroprocessor supervisory circuits
are ideal for monitoring the supply voltage of digital systems and
mcroprocessors.
The devices are designed to initiate a reset if the supply voltage goes
below a predefined threshold. The duration of the reset is either 1.5,
30, or 150ms (typ.) after the supply voltage has risen above the pre-
set threshold
(see Ordering Information on page 9)
.
The devices are available as the standard products listed in
Table 1
.
The reset thresholds are factory-set between 1.6 and 2.5V in steps
of approximately 100mV
(see Table 5 on page 7)
.
The devices exhibit excellent reliability, and can reduce systemcosts
by elimnating the need for external components. The extremely low
current consumption makes the devices ideal for use in portable
applications.
The integrated reset comparator was specifically designed to ignore
fast transients on V
CC
.
The devices are available in a 3-pin SOT23 package.
Figure 1. Application Diagrams
2 Key Features
3 Output Types: Push/Pull RESET, Push Pull RESETN, and
Open Drain RESETN
Reset Threshold Range: 1.6 to 2.5V (~100mV increments)
RESET/RESETN:
- Valid to V
CC
= 0.7V (AS1907 and AS1908)
- Valid to V
CC
= 1.0V (AS1909)
Reset Pulse Widths: 1, 20, and 100ms
Supply Voltage Range: +0.7 to +3.6V
Supply Current Range: 2.6 to 7.0μA
Power Supply Transient Immunity
Requires No External Components
Operating Temperature Range: -40 to +125oC
3-pin SOT23 Package
3 Applications
The devices are ideal for use in cordless and mobile phones, MP3
players, CD and DVD players, PDAs, handheld computers, digital
cameras, hard drives, and any other application where power supply
supervisory control is required.
Table 1. Standard Products
Model
Output Type
Reset Type
AS1907
Push/Pull
Active-Low
AS1908
Push/Pull
Active-High
AS1909
Open-Drain
Active-Low
2
RESET
AS1908
Micro-
processor
V
CC
V
CC
GND 1
V
CC
3
V
CC
3
RESET I/O
RESETN
2
AS1907
GND 1
V
CC
3
GND
1
Micro-
processor
V
CC
3
RESET I/O
GND
1
2
RESETN
AS1909
Mcro-
processor
V
CC
GND 1
V
CC
3
V
CC
3
RESET I/O
GND
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1907C20-T | Low-Volt. Active-Low Push/Pull; Package Type: SOT23-3; Reset Type: Push/Pull Active-Low; Timeout Period: 100,00; Supervised Voltages (IN1): 2,00 |
| AS1907C23-T | Low-Volt. Active-Low Push/Pull; Package Type: SOT23-3; Reset Type: Push/Pull Active-Low; Timeout Period: 100,00; Supervised Voltages (IN1): 2,30 |
| AS1907C24-T | Low-Volt. Active-Low Push/Pull; Package Type: SOT23-3; Reset Type: Push/Pull Active-Low; Timeout Period: 100,00; Supervised Voltages (IN1): 2,40 |
| AS1913TZ-T | Dual, Manual Reset Watchdog; Package Type: SOT23-6; Reset Type: Active-Low Push/Pull; Supervised Voltages (IN1): 3,08; Supervised Voltages (IN2): 2,31 |
| AS1914TZ-T | Dual, Manual Reset Watchdog; Package Type: SOT23-6; Reset Type: Active-High Push/Pull; Supervised Voltages (IN1): 3,08; Supervised Voltages (IN2): 2,31 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1907-C20-T | 功能描述:IC SUPERVISOR ACT LOW SOT23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型: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:NCP301HSN18T1GOSCT |
| AS1907C20-T | 制造商:ams 功能描述: 制造商:ams 功能描述:IC SUPERVISOR ACT LOW SOT23-3 制造商:ams 功能描述:IC MPU SUPERVISOR 7 uA 3.6V 3-SOT-23 制造商:ams 功能描述:IC, MPU SUPERVISOR, 7 uA, 3.6V, 3-SOT-23, Threshold Voltage:2.06V, No. of Supervisors / Monitors:1, Supply Voltage Min:1.2V, Supply Voltage Max:3.6V, Reset Type:Active-Low, Push-Pull, Digital IC Case Style:SOT-23, No. of Pins:3 , RoHS Compliant: Yes 制造商:ams 功能描述:T&R / SOT23-3 |
| AS1907-C22-T | 功能描述:IC SUPERVISOR ACT LOW SOT23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型: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:NCP301HSN18T1GOSCT |
| AS1907C22-T | 制造商:ams 功能描述:IC SUPERVISOR ACT LOW SOT23-3 |
| AS1907-C23-T | 功能描述:IC SUPERVISOR ACT LOW SOT23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型: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:NCP301HSN18T1GOSCT |
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