DS1922T-F5# Maxim Integrated Products, DS1922T-F5# Datasheet - Page 46
![IBUTTON TEMP LOGGER](/photos/7/82/78269/ds1990a-f3__sml.jpg)
DS1922T-F5#
Manufacturer Part Number
DS1922T-F5#
Description
IBUTTON TEMP LOGGER
Manufacturer
Maxim Integrated Products
Series
iButton®r
Datasheet
1.DS1922L-F5.pdf
(52 pages)
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
Temperature Logger iButton with 8KB
Data-Log Memory
46
Write Scratchpad, Reaching the End of the Scratchpad (Cannot Fail)
Read Scratchpad (Cannot Fail)
Copy Scratchpad with Password (Success)
Copy Scratchpad with Password (Fail TA-E/S or Password)
Read Memory with Password and CRC (Success)
Read Memory with Password and CRC (Fail Password or Address)
Clear Memory with Password
To verify success, read the General Status register at address 0215h. If MEMCLR is 1, the command was
executed successfully.
RST
RST
RST
RST
RST
RST
RST
Master-to-Slave
______________________________________________________________________________________
PD
PD
PD
PD
PD
PD
PD Select
Command-Specific 1-Wire Communication Protocol—Color Codes
Select
Select
Select
Select
Select
Select
RMC
RMC
CPS TA-E/S
CPS TA-E/S
CM
WS TA
RS TA-E/S
Slave-to-Master
<PW/Dummy>
TA
TA
<Data to EOS>
<PW/Dummy> <Data to EOP>
<PW/Dummy>
<Data to EOS>
<PW/Dummy>
<PW/Dummy>
FFh
CRC-16
FF Loop
FF Loop
<32 Bytes>
CRC-16
AA Loop
FF Loop
FF Loop
FF Loop
CRC-16
CRC-16
1-Wire Communication Examples
FF Loop
Loop