DS2417 Maxim, DS2417 Datasheet - Page 12

• Manufacturer Part Number: DS2417
• Description: The DS2417 1-Wire Time Chip with Interrupt offers a simple solution for storing and retrieving vital time information with minimal hardware
• Manufacturer: Maxim

READ/WRITE TIMING DIAGRAM (continued) Figure 9
Read-data Time Slot
CRYSTAL PLACEMENT ON PCB Figure 10
V
PULLUP MIN
V
V
PULLUP
V
IL MAX
IH MIN
0V
RESISTOR
MASTER
DS2417
LOCAL GROUND
SIGNAL PLANE
OR ON OTHER
SIDE OF PCB
PLANE BENEATH
GND
1-Wire
INT\
t
LOWR
t
SU
t
RDV
V DD
Sampling Window
X1
X2
Master
t
12 of 15
SLOT
t
RELEASE
GUARD RING
ON SIGNAL
60 µs  t
1 µs  t
0  t
1 µs  t
t
t
RDV
SU
PLANE
< 1 µs
RELEASE
= 15 µs
LOWR
REC
CRYSTAL
SLOT
PADS
t
REC
<
< 45 µs
< 15 µs

< 120 µs