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ADVANCED COMMUNICATIONS & SENSING

DATASHEET

SX8124

24 hours timer synchronized on 50/60Hz mains

ACS - Revision 2.4

October 2010

© Semtech Corp.

TECHNICAL DESCRIPTION

3Pinout

Table 7.

SOIC-8 pinout

Pin#

Pin name

Pin type

Pin function

Reset

1

DURATION

Analog input

1.

In active mode, input impedance on DURATION pin is 500k min, 750k typical and 1000k max.

High impedance

2

PHASE

Digital input

Input for phase and frequency detection

High impedance

3

START

Digital input

Optional button to reset counter or switch output

pull up

4

LED

Digital output

Optional LED pulses

VSS

5

NOUT

Digital output

Output, low when active

VSS

6

VSS

Power ground

Negative supply and IC ground

Negative supply

7

OUT

Digital input

Output, high when active

VDD

8

VDD

Power positive

Positive supply

Positive supply

Figure 1. SOIC-8 pinout

DURATION

PHASE

START

LED

VDD

OUT

VSS

NOUT

18