DS1631/DS1631A/DS1731

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Table 1. ORDERING INFORMATION

ORDERING

NUMBER

PACKAGE

MARKING

DESCRIPTION

DS1631U

D1631

DS1631 in 8-Pin

mSOP

DS1631U/T&R

D1631

DS1631 in 8-Pin

mSOP, 3000-Piece Tape-and-Reel

DS1631Z

DS1631Z

DS1631 in 150mil 8-Pin SO

DS1631Z/T&R

DS1631Z

DS1631 in 150mil 8-Pin SO, 2500-Piece Tape-and-Reel

DS1631AU

1631A

DS1631A in 8-Pin

mSOP

DS1631AU/T&R

1631A

DS1631A in 8-Pin

mSOP, 3000-Piece Tape-and-Reel

DS1731U

D1731

DS1731 in 8-Pin

mSOP

DS1731U/T&R

D1731

DS1731 in 8-Pin

mSOP, 3000-Piece Tape-and-Reel

Table 2. DETAILED PIN DESCRIPTION

PIN

SYMBOL

DESCRIPTION

1

SDA

Data Input/Output Pin for 2-Wire Serial Communication Port. Open-Drain.

2

SCL

Clock Input Pin for 2-Wire Serial Communication Port.

Thermostat Output Pin. Push-Pull.

4

GND

Ground Pin

Address Input Pin

Address Input Pin

Address Input Pin

Supply Voltage Pin. +2.7V to +5.5V Power-Supply Pin.

Figure 1. FUNCTIONAL DIAGRAM

CONFIGURATION REGISTER

AND CONTROL LOGIC

ADDRESS

AND

I/O CONTROL

SCL

SDA

DIGITAL

COMPARATOR/LOGIC

TEMPERATURE SENSOR

and

DS ADC

TEMPERATURE REGISTER

GND