參數(shù)資料
型號(hào): AAT3527ICX-463-200-T1
廠商: Advanced Analogic Technologies, Inc.
英文描述: MicroPower Supervisory Circuit with Manual Reset
中文描述: 微功耗監(jiān)控電路,帶有手動(dòng)復(fù)位
文件頁數(shù): 6/10頁
文件大?。?/td> 223K
代理商: AAT3527ICX-463-200-T1
AAT3526/7/8
MicroPower Supervisory Circuit with Manual Reset
6
3526.2002.1.0.62
Functional Description
General
During start-up, the reset pin on a microprocessor
ensures that it is fully reset and starts up in a known
condition. The AAT3526/7/8 series of microproces-
sor reset devices monitor the supply voltage to a
microprocessor and assert a reset signal whenever
the V
CC
voltage falls below a factory programmed
threshold. This threshold is accurate within +/-1.5%
at 25oC and within +/- 2.5% over the entire operat-
ing temperature range. The reset signal remains
asserted for a minimum of 150ms after V
CC
has
risen above the threshold as shown in Figure 1.
Functional Block Diagram
Reset
Generator
+ Timer
Oscillator
V
CC
GND
RESET
(RESET)
MR
V
REF
Figure 1: Reset Timing Diagram
V
CC
V
TH
V
TH
V
TH
t
RDY
t
RDY
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