DS1904L-F5# Maxim Integrated Products, DS1904L-F5# Datasheet - Page 10

• Manufacturer Part Number: DS1904L-F5#
• Description: IBUTTON RTC F5 MICROCAN
• Manufacturer: Maxim Integrated Products
• Series: iButton®r

Specifications of DS1904L-F5#

• Rohs Information: IButton RoHS Compliance Plan
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Memory Type: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

READ/WRITE TIMING DIAGRAM Figure 9
Write-one Time Slot
Write-zero Time Slot
Read-data Time Slot
V
V
V
PULLUP MIN
PULLUP MIN
PULLUP MIN
V
V
V
V
V
PULLUP
V
PULLUP
V
V
PULLUP
V
IL MAX
IL MAX
IH MIN
IH MIN
IL MAX
IH MIN
0V
0V
0V
RESISTOR
MASTER
RESISTOR
MASTER
DS1904
RESISTOR
MASTER
t
t
LOWR
LOW1
t
SU
60 µs  t
1 µs  t
0  t
15µs
15µs
t
RELEASE
RDV
60 µs
1 µs
60 µs  t
1 µs  t
1 µs
Sampling Window
LOWR
SLOT
 t
 t
Master
 t
LOW1
REC
REC
< 45 µs
< 15 µs
SLOT
LOW0
< 120 µs
60µs
t
60µs
t
Sampling Window
Sampling Window
t
SLOT
SLOT
<
<
SLOT
10 of 13
< 15 µs

< 120 µs

t
DS1904
< t
DS1904
LOW0
SLOT
< 120 µs
t
RELEASE
1 µs  t
t
t
RDV
SU
< 1 µs
= 15 µs
REC
<

t
t
REC
REC
t
REC