HA16129 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

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HA16129

Single Watchdog Timer

Hitachi -> Renesas Electronics 

HA16129FPJ

Electrical Characteristics (Ta = 25°C, VCC = 12V, Vout = 5.0V, Rf = RR = 180kΩ, Cf =

3300pF, CR = 0.1µF, RT = 390kΩ, CRES = 1500pF, RCS = 0.2Ω) (cont)

Item

RES

output

block

OUTE

output

block

RES

function

LVI

function

High level

Symbol

VOHR

Min

Typ

Vout – 0.2 Vout

Low level

Function start voltage

High level

VOLR

VSTR

VOHE

—

—

—

0.7

Vout – 0.2 Vout

Low level

VOLE

—

Function start voltage VSTE

—

Power on time

ton

25

Clock off time

toff

80

Reset pulse high time tRH

40

Reset pulse low time

t RL

15

NMI

Detection VNMI1

4.5

function voltage 1

(Vout

detection)

Hysteresis 1 VHYSN1

—

Temperature | δVNMI/δT | —

coefficient

NMI

Detection VNMI2

5.0

function voltage 2

(VCC

detection)

Hysteresis 2 VHYSN2

0.5

—

0.7

40

130

60

20

4.63

50

100

5.4

0.8

STBY

function

Detection

voltage

VSTBY

2.70

Hysteresis VHYSS

1.20

Temperature | δVSTBY/δT | —

coefficient

RES

Disable time

delay time

t RES

(100)

Recovery time

tr

(100)

Note: Values in parentheses are design reference values.

3.00

1.35

100

200

200

Max

Unit

Vout + 0.2 V

Test

conditions

IOHR = 0mA

0.4

V

1.4

V

Vout + 0.2 V

IOLR = 2.0mA

IOHE = 0mA

0.4

1.4

60

190

90

30

4.75

V

IOLE = 2.0mA

V

ms

ms

ms

ms

V

100

(400)

5.7

mV

ppm/°C

V

R1 = 13kΩ,

R2 = 390kΩ

1.3

3.30

1.50

(400)

(300)

(300)

V

R1 = 13kΩ,

R2 = 390kΩ

V

V

ppm/°C

µs

µs

15

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