HT7610 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT7610

General Purpose PIR Controller

Holtek Semiconductor 

HT761X

Pin Description

Pin No.

AB

11

2

2

33

44

55

66

77

88

99

10 10

11 11

12 12

13 13

14 14

15 15

16 16

Pin Name

I/O

Internal

Connection

Description

VSS

RELAY

TRIAC

OSCD

OSCS

ZC

CDS

MODE

VDD

VEE

RSTB

OP1P

OP1N

OP1O

OP2P

OP2N

OP2O

I

—

Negative power supply

O

CMOS

RELAY drive output through an external NPN

transistor, active high

O

CMOS

TRIAC drive output

The output is a pulse output when active.

I/O

PMOS IN

NMOS OUT

Output timing oscillator I/O

It is connected to an external RC to adjust output

duration.

System oscillator I/O

I/O

PMOS IN

NMOS OUT

OSCS is connected to an external RC to set the

system frequency. The system frequency ≅ 16KHz

for normal application.

I

CMOS Input for AC zero crossing detection

CDS is connected to a CDS voltage divider for

I

CMOS

daytime/night auto-detection. Low input to this pin

can disable the PIR input. CDS a schmitt trigger

input with 5-second input debounce time.

Operating mode selection input:

I

CMOS

VDD: Output is always ON

VSS: Output is always OFF

Open: Auto detection

I

—

Positive power supply

Regulated voltage output

O

NMOS The output voltage is about –4V with respect to

VDD.

I Pull-High Chip reset input, active low

I

PMOS Noninverting input of OP1

I

PMOS Inverting input of OP1

O

NMOS Output of OP1

I

PMOS Noninverting input of OP2

I

PMOS Inverting input of OP2

O

NMOS Output of OP2

3

24th Mar ’97

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