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參數資料
| 型號： | ASM1832UF |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 3.3V UP Power Supply Monitor and Reset Circuit |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封裝： | LEAD FREE, MICRO, SOP-8 |
| 文件頁數： | 6/9頁 |
| 文件大?。?/td> | 259K |
| 代理商： | ASM1832UF |
ASM1832
6 of 9
Notice: The information in this document is subject to change without notice
3.3V μP Power Supply Monitor and Reset Circuit
rev 1.5
February 2005
Notes
1. RESET remains within 0.5V of V
CC
on power-down until V
CC
falls below 2V. RESET remains within 0.5V of ground on power-down until V
CC
falls below 2.0V.
Watchdog Timeout Period
t
TD
T
D
= VCC
500
1200
2000
ms
Watchdog Timeout Period
t
TD
T
D
Floating
250
610
1000
ms
Output Voltage
V
OH
I=-500μA, V
CC
< 2.7.V Note
1
V
CC
- 0.3V
V
CC
- 0.1V
V
Output Current
I
OH
Output = 2.4V, V
CC
>=2.7V
350
μA
Output Current
I
OL
Output = 0.4V, V
CC
>=2.7V
10
mA
Input Leakage
I
IL
-1.0
1.0
μA
RESET Low Level
V
OL
Note 1
0.4
V
Internal Pull-up Resistor
PBRST pin
40
k
Operating Current
I
CC1
Outputs open, V
CC
<= 3.6V
and all inputs at V
CC
or GND
20
μA
Input Capacitance
C
IN
5
pF
Output Capacitance
C
OUT
7
pF
PBRST Manual Reset
Minimum Low Time
t
PB
PBRST = V
IL
20
ms
Reset Active Time
t
RST
250
610
1000
ms
ST Pulse Width
t
ST
Must not exceed t
RD
mini-
mum. Watchdog cannot be
disabled.
20
ns
V
CC
Fail Detect to RESET or
RESET
t
RPD
Pulses < 2 μs at V
CCTP
min-
imum will not cause reset
5
8
μs
V
CC
Slew Rate
t
F
20
μs
PBRST Stable LOW to
RESET and RESET Active
t
PDLY
20
ms
V
CC
Detect to RESET or
RESET inactive
t
RPU
t
rise
=5μs
250
610
1000
ms
V
CC
Slew Rate
t
R
0
ns
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
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相關代理商/技術參數 |
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| ASM1834 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Dual 5V and 3.3V uP Power Supply Supervisor with Manual Reset |
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| ASM1834AS | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Dual 5V and 3.3V μP Power Supply Supervisor with Manual Reset |
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