AAT3512 参数 Datasheet PDF下载

AAT3510/1/2/3/4/5/6/7/8/9

Micropower µP Reset with Watchdog Timer

Electrical Characteristics

V

CC

= 2.5V to 5.5V, T

A

= -40°C to +85°C

1

, unless otherwise noted. Typical values are at T

A

= 25°C.

Symbol Description

V

CC

Operating Voltage Range

Conditions

T

A

= -40°C to +85°C

AAT3510/1/2/3/4/7/8:

MR & WDI Unconnected

AAT3515/6/9:

MR Unconnected

T

A

= 25°C

T

A

= -40 to +85°C

-40°C < T

A

< +85°C

AAT351xIGV-xx-A-x-T1

AAT351xIGV-xx-B-x-T1

AAT351xIGV-xx-C-x-T1

V

CC

Falling at 1mV/µs

V

CC

≥

1.0V, I

SINK

= 50µA

V

CC

≥

1.2V, I

SINK

= 100µA

V

CC

≥

2.7V, I

SINK

= 1.2mA

V

CC

≥

4.5V, I

SINK

= 3.2mA

V

CC

≥

2.7V, I

SOURCE

= 500µA

V

CC

≥

4.5V, I

SOURCE

= 800µA

V

CC

≥

2.7V, I

SINK

= 1.2mA

V

CC

≥

4.5V, I

SINK

= 3.2mA

V

CC

≥

1.8V, I

SOURCE

= 150µA

V

CC

≥

2.7V, I

SOURCE

= 500µA

V

CC

≥

4.5V, I

SOURCE

= 800µA

V

CC

= 3.6V

V

CC

= 5.5V

V

CC

= 3.6V

V

CC

= 5.5V

Min

1

Typ

5

6

Max

5.5

15

18

15

18

V

THNOM

+1.5%

V

THNOM

+2.5%

Units

V

I

CC

Supply Current

µA

V

TH

T

C

t

RP

T

RD

Reset Threshold Voltage

Reference Voltage

Temperature Coefficient

Reset Active Timeout

Period

V

CC

to RESET Delay

V

THNOM

-1.5% V

TH

V

THNOM

-2.5% V

TH

±40

1

20

140

1.4

28

200

40

V

ppm/°C

2

40

280

ms

µs

Push/Pull RESET Output (AAT3510, 3512, 3513, 3514, 3515, 3516, 3518, 3519)

V

OL

RESET Low Output Voltage

0.3

0.3

0.3

0.4

0.8 x V

CC

V

CC

- 1.5

0.3

0.4

0.8 x V

CC

0.8 x V

CC

V

CC

- 1.5

400

V

V

OH

RESET High Output Voltage

RESET Low Output Voltage

V

V

OH

RESET High Output Voltage

V

Bidirectional RESET Output (AAT3511, 3514, 3516)

t

S

Transition Flip-Flop Setup

Time

2

V

CC

= 3.0V, C

L

= 120pF

V

CC

= 5.0V, C

L

= 200pF

V

CC

= 3.0V, C

L

= 250pF

V

CC

= 5.0V, C

L

= 400pF

0.4

ns

333

333

666

666

t

R

RESET Output Rise Time

3

ns

V

PTH

Active Pull-Up Enable

V

CC

= 5.0V

Threshold

RESET Active Pull-Up

V

CC

= 5.0V

Current

RESET Pull-Up Resistance

0.65

20

V

mA

5.2

kΩ

4.2

4.7

1. Over-temperature limits are guaranteed by design, not production tested.

2. This is the minimum time RESET must be held low by an external pull-down source to set the active pull-up flip-flop.

3. Measured from RESET V

OL

to (0.8 x V

CC

), open circuit output.

4

3510.2006.03.1.7