Datasheet

Maxim Integrated | 3www.maximintegrated.com
DS2482-100
Single-Channel 1-Wire Master
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Standard (3.3V to 0V) 0.54 3.0
Overdrive (3.3V to 0V) 0.10 0.59
Standard (5.0V to 0V) 0.55 2.2
Fall Time High-to-Low
(Notes 6, 7)
t
F1
Overdrive (5.0V to 0V) 0.09 0.44
μs
Standard 60 64 68
Write-Zero Low Time t
W0L
Overdrive 7.1 7.5 7.9
μs
Standard 5.0 5.3 5.6
Write-Zero Recovery Time t
REC0
Overdrive 2.8 3.0 3.2
μs
Standard 570 600 630
Reset Low Time t
RSTL
Overdrive
68
.4
72
75
.6
μs
Standard 66.5 70 73.5
Presence-Detect Sample Time t
MSP
Overdrive 7.1 7.5 7.9
μs
Standard 7.6 8 8.4
Sampling for Short and Interrupt t
SI
Overdrive 0.7 0.75 0.8
μs
Standard 554.8 584 613.2
Reset High Time t
RSTH
Overdrive
70
.3
74
77
.7
μs
CONTROL PIN (PCTLZ)
Output Low Voltage V
OLP
V
CC
= 2.9V, 1.2mA load current 0.4 V
Output High Voltage V
OHP
0.4mA load current
V
CC
-
0.5V
V
I
2
C PINS (SCL, SDA, AD0, AD1) (Note 8) (See Figure 9)
V
CC
= 2.9V to 3.7V -0.5
0.25 ×
V
CC
Low-Level Input Voltage V
IL
V
CC
= 4.5V to 5.5V -0.5
0.22 ×
V
CC
V
High-Level Input Voltage V
IH
0.
7 ×
V
CC
V
CC
+
0.5V
V
Hysteresis of Schmitt Trigger
Inputs
V
HYS
0.
05 ×
V
CC
V
Low-Level Output Voltage at
3mA Sink Current
V
OL
0.4 V
Output Fall Time from V
IH(MIN)
to
V
IL(MAX)
with a Bus Capacitance
from 10pF to 400pF
t
OF
60 250 ns
Pulse Width of Spikes That Are
Suppressed by the Input Filter
t
SP
SDA and SCL pins only 50 ns
Input Current Each Input/Output
Pin with an Input Voltage
Between 0.1 x V
CC(MAX)
and
0.9 x V
CC(MAX)
I
I
(Notes 9, 10) -10 +10 μA
Electrical Characteristics (continued)
(V
CC
= 2.9V to 5.5V, T
A
= -40°C to +85°C.
)