Datasheet > AAT3532

AAT3532

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
AAT		微处理器复位电路
页数	文件大小	规格书
8页	99K
描述
MicroPower⑩ Microprocessor Reset Circuit

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AAT3532 数据手册

AAT3532

MicroPower™ Microprocessor Reset Circuit

DC Electrical Characteristics

V_IN= 4.5V to 5.5V, T_A= -40°C to +85°C, unless otherwise noted. Typical values are T_A= 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

V_CC

Supply Voltage

4.5

5.0

5.5

CMOS Levels

TTL Levels

I_Q

Quiescent Current¹

V_CC= 5.5V

µA

160

4.62

4.37

500

4.74

4.49

1.0

Reset Threshold 5%

Reset Threshold 10%

Input Leakage ST, TOL

Output Current RST²

Current RST², RST

TOL = GND

TOL = V_CC

4.50

4.25

-1.0

-8.0

10.0

2.0

V_CCTP

I_IL

I_OH

I_OL

µA

V_OH= 2.4V

V_OL= 0.4V

V_IH

V_IL

I_RST

ST and PBRST Input High

ST and PBRST Input Low

RST Output Leakage

V_CC+ 0.3

0.8

-0.3

V_OH= V_CC

1.0

µA

AC Electrical Characteristics

V_IN= 4.5V to 5.5V, T_A= -40°C to +85°C, unless otherwise noted. Typical values are T_A= 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

C_IN

C_OUT

t_PB

Input Capacitance ST, TOL³

Output Capacitance RST, RST³

PBRST⁴

T_A= 25ºC

See Figure 2

t_PBD

t_RST

t_ST

PBRST Delay

Reset Active Time

ST Pulse Width

250

610

1000

See Figure 3

TD Pin = 0V

TD Pin = Open

TD Pin = V_CC

4.75V to 4.25V

4.25V to 4.75V

V_CCFalling

62.5

250

500

150

600

250

1000

2000

t_TD

ST Time-out Period

1200

t_f

V_CCFall Time³

V_CCRise Time³

µs

t_r

t_RPD

t_RPU

V_CCDetect to RST High and RST Low

V_CCDetect to RST Low and RST Open

V_CCRising

250

610

1000

1. Measured with outputs open and ST toggling at 100kHz, 50% duty cycle.

2. RST is an open drain output.

3. Guaranteed by design and not subject to production testing.

4. PBRST must remain low for greater than 20ms to guarantee a reset.

3532.2005.12.1.2

1 2 345 6 7 8

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