DS1482

6 of 7

ABSOLUTE MAXIMUM RATINGS*

Voltage to GND (All Pins)

-0.5V, +6.0V

Combined Source/Sink Current (All Pins)

20mA

Operating Temperature Range

-40°C to +85°C

Junction Temperature

+150°C

Storage Temperature Range

-55°C to +125°C

Lead Temperature (Soldering)

See IPC/JEDEC 020A

ESD requirements are 15kV for the I/O pin and 4kV for all other pins.

* This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current

150

µA

Supply Current

100

µA

Supply Ramp-up

Time (System

Requirement)

respectively

0.1

µs

1-Wire Pullup

Resistor

850

1650

W

INPUT PINS SPU, START, TXD

Input High Voltage

V

Input Low Voltage

V

Input Leakage

Measured with either 0V

(Note 1)

3µA

Delay TXD to I/O

No DC load on I/O; see

Figure 5 (Note 2)

100

ns

I/O PIN (1-WIRE)

Output Low Voltage

100

mA load

0.4

V

Output High Voltage

No DC load

V

Pin Leakage Current

(Note 3)

-1

+1

µA

Input High Voltage

V

Input Low Voltage

V

Comparator

Reference Voltage

0.995 x

0.998 x

V

Output Fall Time

(50pF Load)

45

150

ns