Datasheet

DS2781
30 of 31
Figure 27. 1-Wire Write- and Read-Time Slots
PACKAGE INFORMATION
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
8 TSSOP —
56-G2021-000
10 TDFN-EP —
56-G0012-001
LINE TYPE LEGEND:
Bus master active low DS2781 active low
Resistor pullup
Both bus master and
DS2781 active low
t
SLOT
V
PULLUP
GND
READ 0 SLOT
READ 1 SLOT
t
SLOT
t
REC
>1
μ
s
t
RDV
Master Sample Window Master Sample Window
t
RDV
V
PULLUP
GND
t
SLOT
Standard
t
LOW1
t
SLOT
WRITE 0 SLOT WRITE 1 SLOT
t
LOW0
t
REC
>1
μ
s
DS2781 Sample Window
MIN TYP MAX
15μs 15μs 30μs
DS2781 Sample Window
MIN TYP MAX
15
μ
s15
μ
s 30μs
2μs
Overdrive
Mode
1μs 3μs 1
μ
s 2
μ
s 3μs