DS1922T-F5# Maxim Integrated Products, DS1922T-F5# Datasheet - Page 43

• Manufacturer Part Number: DS1922T-F5#
• Description: IBUTTON TEMP LOGGER
• Manufacturer: Maxim Integrated Products
• Series: iButton®r

Specifications of DS1922T-F5#

• Rohs Information: IButton RoHS Compliance Plan
• Memory Size: 512B
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 13. Read/Write Timing Diagrams
WRITE-ONE TIME SLOT
V
WRITE-ZERO TIME SLOT
V
READ-DATA TIME SLOT
V
IHMASTER
IHMASTER
IHMASTER
V
V
V
ILMAX
ILMAX
ILMAX
V
V
V
PUP
V
PUP
V
PUP
V
V
V
V
0V
0V
0V
TH
TH
TH
TL
TL
TL
______________________________________________________________________________________
t
t
t
Temperature Logger iButton with 8KB
F
F
F
t
RL
RESISTOR
t
RESISTOR
RESISTOR
W1L
t
MSR
ε
δ
SAMPLING
WINDOW
MASTER
t
W0L
t
t
t
SLOT
SLOT
SLOT
MASTER
MASTER
MASTER
Data-Log Memory
ε
t
REC
t
REC
DS1922L/DS1922T
43