| Key Specifications:
iButton Products |
| Part Number |
Overview |
Memory Type |
Memory Size |
Data Logger Type |
Data Logger Size |
Data Logger Sampling Rate |
Data Logger Accuracy |
Data Logger Resolution |
Data Logger Measurement Range |
Security Features |
Programmable Alarm |
UniqueWare |
Real-Time Clock |
Features |
|
DS1922L
|
 Temperature Sensor iButton
|
NV SRAM
|
512 Bytes
|
Temperature
|
8192 Byte
|
1s to 273hrs
|
Correctible to ±0.5°C
|
Selectable 8-bit (0.5°C) or 11-bit (0.0625°C)
|
-40°C to +85°C
|
Password Protected
|
Temperature High/Low
|
No
|
Yes
|
-
|
|
DS1922T
|
 Temperature Sensor iButton
|
NV SRAM
|
512 Bytes
|
Temperature
|
8192 Byte
|
1s to 273hrs
|
Correctible to ±0.5°C
|
Selectable 8-bit (0.5°C) or 11-bit (0.0625°C)
|
0°C to +125°C
|
Password Protected
|
Temperature High/Low
|
No
|
Yes
|
-
|
|
DS1961S
|
 Secure iButton
|
EEPROM
|
1K bits
|
-
|
-
|
-
|
-
|
-
|
-
|
SHA-1
Write-Only Secrets
|
-
|
No
|
No
|
|
|
DS1963S
|
 Secure iButton
|
NV SRAM
|
4Kbits
|
-
|
-
|
-
|
-
|
-
|
-
|
SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
|
-
|
No
|
No
|
|
| See All iButton Products (26) |