X40035SC Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

fabricante

X40035SC

Triple Voltage Monitor with Integrated CPU Supervisor

Intersil 

X40030, X40031, X40034, X40035

Low Voltage and Watchdog Timings Parameters (@ +25°C, VCC = 5V) (Continued)

SYMBOL

PARAMETERS

MIN

TYP

MAX

(Note 3) (Note 12) (Note 3)

tF

tR

VRVALID

tMD

tin1

tWDO

VCC,V2MON, V3MON, Fall Time

VCC, V2MON, V3MON, Rise Time

Reset Valid VCC

MR to RESET/RESET Delay (activation only)

Pulse Width for MR

Watchdog Timer Period

WD1 = 0, WD0 = 0

20

20

1

500

5

1.4

WD1 = 0, WD0 = 1

200

WD1 = 1, WD0 = 0

25

WD1 = 1, WD0 = 1 (Factory Setting)

OFF

tRST1

Watchdog Reset Time Out Delay

WD1 = 0, WD0 = 0

100

200

300

WD1 = 0, WD0 = 1

tRST2

Watchdog Reset Time Out Delay WD1 = 1, WD0 = 0

tRSP

Watchdog Timer Restart Pulse Width

NOTES:

12. VCC = 5V at +25°C.

13. Values based on characterization data only.

12.5

25

37.5

1

UNIT

mV/µs

mV/µs

V

ns

µs

s

ms

ms

ms

ms

µs

Watchdog Time Out for 2-Wire Interface

SCL

START

CLOCKIN (0 OR 1)

tRSP

START

< tWDO

SDA

WDO

START

MINIMUM SEQUENCE TO RESET WDT

SCL

SDA

WDT

RESTART

tRST tWDO

tRST

20

FN8114.2

August 25, 2008

Share Link: