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參數資料
| 型號： | AIC812-46PVTR |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Reset Circuits with Manual Reset Input |
| 中文描述： | 復位電路，帶有手動復位輸入 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 421K |
| 代理商： | AIC812-46PVTR |
AIC811/AIC812
Reset Circuits with Manual Reset Input
z
Ultra Low Supply Current 1
μ
A(typ.)
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan, R.O.C.
DS-811P-03 010405
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
1
z
Guaranteed Reset Valid to Vcc=0.9V
z
Available in two Output Types: Push-Pull Active
Low (AIC811), Push-Pull Active High (AIC812)
z
140ms Min. Power-On Reset Pulse Width
z
Internally Fixed Threshold 2.3V, 2.6V, 2.9V,
3.1V, 4.0V, 4.4V, and 4.6V
z
Tight Voltage Threshold Tolerance: 1.5%
z
Low profile Package: SOT-23-5
z
Notebook Computers
z
Digital Still Cameras
z
PDAs
z
Critical Microprocessor Monitoring
AIC811/AIC812 are low-power microprocessor (μP)
supervisory circuits used to monitor power supplies in
μP and digital systems. They provide applications with
benefits of circuit reliability and low cost by eliminating
external components. AIC811/AIC812 also offer a
manual reset input.
These devices perform as valid singles in applications
with Vcc ranging from 6.0V down to 0.9V. The reset
signal lasts for a minimum period of 140ms whenever
V
CC
supply voltage falls below preset threshold. Both
AIC811 and AIC812 were designed with a reset
comparator to help identify invalid signals, which last
less than 140ms. The only difference between them is
that they have an active-low
RESET
output and
active-high RESET output, respectively.
Low supply current (1
μ
A)
makes AIC811/AIC812 ideal
for portable equipment. The devices are
available
in
SOT-23-5 package.
VCC
AIC811
(AIC812)
VCC
GND
GND
μ
P
RESET
INPUT
RESET
(RESET)
MR
V
CC
Pushbutton
Switch
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