HA16117F datasheet(5/31 Pages) HITACHI-METALS

Part #	HA16117F

Description	CMOS Watchdog Timer

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Manufacturer	HITACHI-METALS [Hitachi Metals, Ltd]

Direct Link	http://www.hitachi-metals.co.jp/e

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HA16117F Series

5

Electrical Characteristics

(V

CC = 5 V, Ta = 25°C, CF = 0.01 µF, CR = 0.1 µF, R1 = 510 kΩ, R2 = 750 kΩ)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

General

Operating supply current

I

CC1

—

100

—

µAV

ACC = 0 V,

f

P-RUN = 100 Hz

I

CC2

—

200

600

µAV

ACC = 0 V,

f

P-RUN = 20 kHz

Standby supply current

I

STBY

—

43

100

µAV

ACC = 12 V

Low

voltage

detector

Low voltage

threshold

level

HA16117FPA/FPAJ

V

TL

4.3

4.4

4.5

V

When VCC drops

HA16117FPB/FPBJ

4.1

4.2

4.3

V

HA16117FPC/FPCJ

3.9

4.0

4.1

V

Hysteresis width

V

HYS

50

100

150

mV

ACC

Low input voltage

V

IL1

—

0.8

V

High input voltage

V

IH1

2.0

—

V

P-RUN

Low input voltage

V

IL2

—

0.8

V

input

High input voltage

V

IH2

2.0

—

V

WDT

Power-on reset time

t

ON

24

40

56

ms

Reset-clock off time

t

OFF *

1

78

130

182

ms

Reset low time

t

RL

12

20

28

ms

Reset high time

t

RH

36

60

84

ms

P-RUN pin = 0 V

Low setup time

t

SL

1—

—

ms

High setup time

t

SH

——

1

ms

RES

RES low voltage

V

OL

—

0.4

V

I

OL = 1 mA

output

RES high voltage

V

OH

—V

CC

—

V

Open

Reset function starting voltage

V

RES

—

0.8

1.4

V

Constant

range

Constant range of R

1 and R2

K

0.55

0.6

0.8

—

K =R

2 / (R1 + R2)

Operating supply voltage range

V

CCRNG

V

TL

—

6.0

V

Note:

1. Reset-clock off time t

OFF is provided a shown in the under figure.

tOFF

P-RUN

RES

f = 500 Hz, Duty = 50%

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HA16117F Datasheet(PDF) 5 Page - Hitachi Metals, Ltd

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