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參數(shù)資料
| 型號(hào)： | AS1904C31-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 150nA, push-pull Active-Low; Package Type: SOT23-3; Reset Type: Active-Low; Timeout Period: 100,00; Supervised Voltages (IN1): 3,08 |
| 封裝： | SOT23-3 |
| 文件頁(yè)數(shù)： | 6/9頁(yè) |
| 文件大?。?/td> | 178K |
| 代理商： | AS1904C31-T |
www.austriamicrosystems.com
Revision 1.41
6 - 9
AS1904, AS1905, AS1906
Data Sheet - Detailed Description
8 Detailed Description
Interfacing to Microprocessors with Bi-Directional Reset Pins
The device has an open drain RESETN output, which enables easy interfacing to microprocessors (μP) with bi-direc-
tional reset pins, such as the Motorola 68HC11. The RESETN pin of the microcontroller (μC) can be connected directly
to the μP supervisor's RESETN output with a single pull-up resistor (see Figure 1 on page 1).
Negative-Going VDD Transients
The device is optimized to ignore short-duration, negative-going V
DD
transients (glitches) in order to avoid incorrect
resets.
In the graph Maximum Transient Duration vs. Reset Threshold Overdrive (page 6) , the conditions are shown, for
which the reset pulses are not generated. In the graph the maximum pulse width that a negative V
DD
transient may
have when a reset signal is generated. As the amplitude of the transient increases, the maximum allowable pulse width
decreases.
Options
Table 4. Coding of Factory-trimmed Reset Active Time-Out Period
Device
Suffix
t
TP
in Milliseconds
Typ
5
20
100
500
Min
3
12
60
300
Max
8
32
160
800
AS190x_xx
AS190x_xx
AS190x_xx
AS190x_xx
A
B
C
D
Table 5. Output Variants
Device
AS1904xxx
AS1905xxx
AS1906xxx
Output Functionality
Active Low (RESETN)
Active High (RESET)
Open Drain (RESETN)
Table 6. Coding of Factory-Trimmed Reset Threshold Voltages
Device
Suffix
Reset Threshold Voltage, V
TH
in V
T
A
= +25°C
Typ
2.2
2.233
2.32
2.355
2.4
2.436
2.5
2.538
2.63
2.669
2.7
2.741
2.8
2.842
2.93
2.974
3.0
3.045
3.08
3.126
T
A
= -40 to +85°C
Min
2.145
2.262
2.340
2.438
2.564
2.633
2.730
2.857
2.925
3.003
Min
2.167
2.285
2.364
2.463
2.591
2.660
2.758
2.886
2.955
3.034
Max
Max
2.255
2.378
2.460
2.563
2.696
2.768
2.870
3.003
3.075
3.157
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
AS190xx__
22
23
24
25
26
27
28
29
30
31
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1905C23-T | 150nA, push-pull Active-High; Package Type: SOT23-3; Reset Type: Active-High; Timeout Period: 100,00; Supervised Voltages (IN1): 2,32 |
| AS1905C26-T | 150nA, push-pull Active-High; Package Type: SOT23-3; Reset Type: Active-High; Timeout Period: 100,00; Supervised Voltages (IN1): 2,63 |
| AS1905C31-T | 150nA, push-pull Active-High; Package Type: SOT23-3; Reset Type: Active-High; Timeout Period: 100,00; Supervised Voltages (IN1): 3,08 |
| AS1906C23-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 2,32 |
| AS1906C26-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 2,63 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1904C31Z | 制造商:AMS 功能描述:AS1904 Series 3.08 V 100 ms Ultra Low-Power P Supervisory Circuit-SOT-23-3 |
| AS1905 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Ultra Low-Power uP Supervisory Circuit |
| AS1905C23 | 制造商:ams 功能描述:IC SUPERVISOR ACT HIGH SOT23-3 制造商:ams 功能描述:T&R / SOT23-3 |
| AS1905-C23-T | 功能描述:IC SUPERVISOR ACT HIGH 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(jiǎn)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(shí):- 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 |
| AS1905C23-T | 制造商:AMS 功能描述:IC MPU SUPERVISOR 0.15 3.6V SOT23-3 |
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