Datasheet > AAT3522IGY-2.32-200-T1

AAT3522IGY-2.32-200-T1

更新时间： 2024-01-16 21:20:32

品牌	Logo	应用领域
AAT		微处理器复位电路光电二极管
页数	文件大小	规格书
9页	100K
描述
MicroPower™ Microprocessor Reset Circuit

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AAT3522IGY-2.32-200-T1 技术参数

AAT3520/2/4

MicroPower™ Microprocessor Reset Circuit

Functional Block Diagram

VCC

Reset

RESET

Generator

+ Timer

(RESET)

Oscillator

V_REF

GND

V_CCvoltage falls below a factory-programmed

threshold. This threshold is accurate within ±1.5%

at 25ºC and within ±2.5% over the entire operating

temperature range. The reset signal remains

asserted for a fixed time period (t_RDY) after V_CChas

risen above the threshold, as shown in Figure 1.

See Ordering Information for available RESET

active timeout periods

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 AAT3520 series of microprocessor

reset devices monitor the supply voltage to a micro-

processor and assert a reset signal whenever the

V_CC

V_TH

t_RDY

RESET

Figure 1: Reset Timing Diagram (AAT3522, AAT3524).

3520.2006.03.1.2

1...3 4 567 8 9

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