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參數(shù)資料
| 型號： | DS1819B |
| 英文描述： | 5V and 3.3V MicroMonitor |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 146K |
| 代理商： | DS1819B |
DS1814/DS1819
7 of 8
AC ELECTRICAL CHARACTERISTICS
(-40 C to +85 C; V
CC
= 1.2V to 5.5V)
PARAMETER
SYMBOL
t
PB
MIN
1
TYP
MAX
UNITS
NOTES
7
PBRST
= V
IL
Reset Active Time
s
t
RST
t
ST
140
50
200
280
ms
ns
ST
Pulse Width
Watchdog Time-out
8
t
TD
t
RPD
1.12
1.60
30
2.40
40
s
V
CC
Detect to RST and
RST
V
CC
Slew Rate (rising edge)
s
9
12.5
200
V/ s
ms
V
CC
Detect to RST and
RST
t
RPU
140
280
PBRST
Stable Low to RST and
RST
t
PDLY
500
ns
CAPACITANCE
(t
A
= 25 C)
PARAMETER
SYMBOL
Input Capacitance
C
IN
Output Capacitance
C
OUT
MIN
TYP
MAX
5
7
UNITS
pF
pF
NOTES
NOTES:
1)
All voltages are referenced to ground.
2)
PBRST
is internally pulled up to V
CC
with an internal impedance of 50k
typical.
3)
Measured with V
CC
2.7V.
4)
Measured with outputs open, V
CC
5.5V, and all inputs at V
CC
or Ground, except the
ST
input at
<10kHz duty cycle-square wave or
ST
input open.
5)
Measured with outputs open, V
CC
3.6V, and all inputs at V
CC
or Ground, except the
ST
input at
<10kHz duty cycle-square wave or
ST
input open.
6)
The
ST
input current is defined as the average input current when
ST
is driven high or low. This input
must be driven high or low by an output that can source or sink at least 200 A when active.
7)
Noise immunity: pulses <100ns at pushbutton input will not cause a reset.
8)
Must not exceed t
TD
minimum.
9)
Noise immunity: pulses <2 s at V
CCTP
minimum will not cause a reset and V
CCTP
- V
CC
= 100mV.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1819C | 5V and 3.3V MicroMonitor |
| DS1815 | 3.3V EconoReset with Push-Pull Output |
| DS1815-10 | 3.3V EconoReset with Push-Pull Output |
| DS1815-15 | 3.3V EconoReset with Push-Pull Output |
| DS1815-5 | 3.3V EconoReset with Push-Pull Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1819BR-10/T&R | 制造商:Maxim Integrated Products 功能描述:UMON RST WD SOT23 3.3V 10% T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMON 3V RSET WDOG SOT23-5 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1819BR-10/T&R | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1819BR-10/TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Detector |
| DS1819BR-10+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 12UA 5PIN SOT-23 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC MICROMON 3V RSET WDOG SOT23-5 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits 3.3/5V MicroMonitor |
| DS1819BR-10+T&R | 功能描述:監(jiān)控電路 3.3/5V MicroMonitor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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