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參數(shù)資料
| 型號： | ILC812_U |
| 廠商： | Impala Linear Corporation |
| 元件分類： | 復(fù)位半導(dǎo)體 |
| 英文描述： | MICROPROCESSOR RESET CIRCUITS |
| 中文描述： | 微處理器復(fù)位電路 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 79K |
| 代理商： | ILC812_U |
!
Precision Voltage Monitor for 3V, 3.3V or 5V Power Supplies
!
6mA Supply Current
!
140ms Minimum Reset Pulse Width
!
RESET Remains Valid with V
CC
as Low as 1.4V
!
Active Low Manual Reset Input
!
No External Components
!
4-Pin SOT-143 Package
!
Critical Microprocessor Power Monitoring
!
Portable Equipment
!
Intelligent Instruments
!
Computers & Printers
!
Controllers
ILC811
V
CC
Top View
RESET
MR
GND
2
1
4
3
ILC812
V
CC
RESET
MR
GND
2
1
4
3
ILC811
ILC812
μ
P
V
CC
V
CC
V
CC
RESET
(RESET)
RESET
INPUT
MR
( ) = ILC812
The ILC811/ILC812 is a low cost microprocessor superviso-
ry circuit that asserts a reset if the power supply drops below
a designated threshold or the manual reset pin is forced low.
Several different reset thresholds are available to accom-
modate systems operating at 3V, 3.3V or 5V.
The ILC811 has an active low RESET output, while the
ILC812 offers an active high RESET output. The reset output
is guaranteed to remain asserted for a minimum of 140ms
after V
CC
has risen above the designated reset threshold.
The ILC811/ILC812 is available in a 4-pin SOT-143
ILC811/812
Microprocessor Reset Circuits
Impala Linear Corporation
Impala Linear Corporation
1
(408) 574-3939
www.impalalinear.com
Sept 1999
ILC811/812 1.3
Preliminary
Part
Package
4-Lead SOT-143
4-Lead SOT-143
Temp. Range
-40°C to +85°C
-40°C to +85°C
ILC811_U
ILC812_U
Place the device suffix of desired reset threshold voltage from the
table [below] in the blank to complete the part number.
Reset Threshold Voltage (V)
4.63
4.38
4.00
3.08
2.93
2.63
Device Suffix
L
M
J
T
S
R
Typical Circuit
Pin Package Configuration
General Description
Features
Applications
Ordering Information
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